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F. Moortgat
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F. Moortgat
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High Energy Physics - Phenomenology (36)
 
High Energy Physics - Experiment (16)
 
Physics - Instrumentation and Detectors (1)

Publications Authored By F. Moortgat

We consider SUSY-like events with two decay chains, each terminating in an invisible particle, whose true energy and momentum are not measured in the detector. Nevertheless, a useful educated guess about the invisible momenta can still be obtained by optimizing a suitable invariant mass function. We review and contrast several proposals in the literature for such ansatze: four versions of the M_T2-assisted on-shell reconstruction (MAOS), as well as several variants of the on-shell constrained M_2 variables. Read More

2016Jun

This report summarises the physics opportunities in the search and study of physics beyond the Standard Model at a 100 TeV pp collider. Read More

Reconstructed mass variables, such as $M_2$, $M_{2C}$, $M_T^\star$, and $M_{T2}^W$, play an essential role in searches for new physics at hadron colliders. The calculation of these variables generally involves constrained minimization in a large parameter space, which is numerically challenging. We provide a C++ code, OPTIMASS, which interfaces with the MINUIT library to perform this constrained minimization using the Augmented Lagrangian Method. Read More

A comprehensive review of physics at an e+e- Linear Collider in the energy range of sqrt{s}=92 GeV--3 TeV is presented in view of recent and expected LHC results, experiments from low energy as well as astroparticle physics.The report focuses in particular on Higgs boson, Top quark and electroweak precision physics, but also discusses several models of beyond the Standard Model physics such as Supersymmetry, little Higgs models and extra gauge bosons. The connection to cosmology has been analyzed as well. Read More

2014Nov
Authors: The CMS, LHCb Collaborations, :, V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö, M. Friedl, R. Frühwirth, V. M. Ghete, C. Hartl, N. Hörmann, J. Hrubec, M. Jeitler, W. Kiesenhofer, V. Knünz, M. Krammer, I. Krätschmer, D. Liko, I. Mikulec, D. Rabady, B. Rahbaran, H. Rohringer, R. Schöfbeck, J. Strauss, W. Treberer-Treberspurg, W. Waltenberger, C. -E. Wulz, V. Mossolov, N. Shumeiko, J. Suarez Gonzalez, S. Alderweireldt, S. Bansal, T. Cornelis, E. A. De Wolf, X. Janssen, A. Knutsson, J. Lauwers, S. Luyckx, S. Ochesanu, R. Rougny, M. Van De Klundert, H. Van Haevermaet, P. Van Mechelen, N. Van Remortel, A. Van Spilbeeck, F. Blekman, S. Blyweert, J. D'Hondt, N. Daci, N. Heracleous, J. Keaveney, S. Lowette, M. Maes, A. Olbrechts, Q. Python, D. Strom, S. Tavernier, W. Van Doninck, P. Van Mulders, G. P. Van Onsem, I. Villella, C. Caillol, B. Clerbaux, G. De Lentdecker, D. Dobur, L. Favart, A. P. R. Gay, A. Grebenyuk, A. Léonard, A. Mohammadi, L. Perniè, A. Randle-conde, T. Reis, T. Seva, L. Thomas, C. Vander Velde, P. Vanlaer, J. Wang, F. Zenoni, V. Adler, K. Beernaert, L. Benucci, A. Cimmino, S. Costantini, S. Crucy, S. Dildick, A. Fagot, G. Garcia, J. Mccartin, A. A. Ocampo Rios, D. Ryckbosch, S. Salva Diblen, M. Sigamani, N. Strobbe, F. Thyssen, M. Tytgat, E. Yazgan, N. Zaganidis, S. Basegmez, C. Beluffi, G. Bruno, R. Castello, A. Caudron, L. Ceard, G. G. Da Silveira, C. Delaere, T. du Pree, D. Favart, L. Forthomme, A. Giammanco, J. Hollar, A. Jafari, P. Jez, M. Komm, V. Lemaitre, C. Nuttens, D. Pagano, L. Perrini, A. Pin, K. Piotrzkowski, A. Popov, L. Quertenmont, M. Selvaggi, M. Vidal Marono, J. M. Vizan Garcia, N. Beliy, T. Caebergs, E. Daubie, G. H. Hammad, W. L. Aldá Júnior, G. A. Alves, L. Brito, M. Correa Martins Junior, T. Dos Reis Martins, C. Mora Herrera, M. E. Pol, P. Rebello Teles, W. Carvalho, J. Chinellato, A. Custódio, E. M. Da Costa, D. De Jesus Damiao, C. De Oliveira Martins, S. Fonseca De Souza, H. Malbouisson, D. Matos Figueiredo, L. Mundim, H. Nogima, W. L. Prado Da Silva, J. Santaolalla, A. Santoro, A. Sznajder, E. J. Tonelli Manganote, A. Vilela Pereira, C. A. Bernardes, S. Dogra, T. R. Fernandez Perez Tomei, E. M. Gregores, P. G. Mercadante, S. F. Novaes, Sandra S. Padula, A. Aleksandrov, V. Genchev, R. Hadjiiska, P. Iaydjiev, A. Marinov, S. Piperov, M. Rodozov, G. Sultanov, M. Vutova, A. Dimitrov, I. Glushkov, L. Litov, B. Pavlov, P. Petkov, J. G. Bian, G. M. Chen, H. S. Chen, M. Chen, T. Cheng, R. Du, C. H. Jiang, R. Plestina, F. Romeo, J. Tao, Z. Wang, C. Asawatangtrakuldee, Y. Ban, Q. Li, S. Liu, Y. Mao, S. J. Qian, D. Wang, Z. Xu, W. Zou, C. Avila, A. Cabrera, L. F. Chaparro Sierra, C. Florez, J. P. Gomez, B. Gomez Moreno, J. C. Sanabria, N. Godinovic, D. Lelas, D. Polic, I. Puljak, Z. Antunovic, M. Kovac, V. Brigljevic, K. Kadija, J. Luetic, D. Mekterovic, L. Sudic, A. Attikis, G. Mavromanolakis, J. Mousa, C. Nicolaou, F. Ptochos, P. A. Razis, M. Bodlak, M. Finger, M. Finger Jr., Y. Assran, A. Ellithi Kamel, M. A. Mahmoud, A. Radi, M. Kadastik, M. Murumaa, M. Raidal, A. Tiko, P. Eerola, G. Fedi, M. Voutilainen, J. Härkönen, V. Karimäki, R. Kinnunen, M. J. Kortelainen, T. Lampén, K. Lassila-Perini, S. Lehti, T. Lindén, P. Luukka, T. Mäenpää, T. Peltola, E. Tuominen, J. Tuominiemi, E. Tuovinen, L. Wendland, J. Talvitie, T. Tuuva, M. Besancon, F. Couderc, M. Dejardin, D. Denegri, B. Fabbro, J. L. Faure, C. Favaro, F. Ferri, S. Ganjour, A. Givernaud, P. Gras, G. Hamel de Monchenault, P. Jarry, E. Locci, J. Malcles, J. Rander, A. Rosowsky, M. Titov, S. Baffioni, F. Beaudette, P. Busson, C. Charlot, T. Dahms, M. Dalchenko, L. Dobrzynski, N. Filipovic, A. Florent, R. Granier de Cassagnac, L. Mastrolorenzo, P. Miné, C. Mironov, I. N. Naranjo, M. Nguyen, C. Ochando, G. Ortona, P. Paganini, S. Regnard, R. Salerno, J. B. Sauvan, Y. Sirois, C. Veelken, Y. Yilmaz, A. Zabi, J. -L. Agram, J. Andrea, A. Aubin, D. Bloch, J. -M. Brom, E. C. Chabert, C. Collard, E. Conte, J. -C. Fontaine, D. Gelé, U. Goerlach, C. Goetzmann, A. -C. Le Bihan, K. Skovpen, P. Van Hove, S. Gadrat, S. Beauceron, N. Beaupere, G. Boudoul, E. Bouvier, S. Brochet, C. A. Carrillo Montoya, J. Chasserat, R. Chierici, D. Contardo, P. Depasse, H. El Mamouni, J. Fan, J. Fay, S. Gascon, M. Gouzevitch, B. Ille, T. Kurca, M. Lethuillier, L. Mirabito, S. Perries, J. D. Ruiz Alvarez, D. Sabes, L. Sgandurra, V. Sordini, M. Vander Donckt, P. Verdier, S. Viret, H. Xiao, Z. Tsamalaidze, C. Autermann, S. Beranek, M. Bontenackels, M. Edelhoff, L. Feld, A. Heister, O. Hindrichs, K. Klein, A. Ostapchuk, F. Raupach, J. Sammet, S. Schael, J. F. Schulte, H. Weber, B. Wittmer, V. Zhukov, M. Ata, M. Brodski, E. Dietz-Laursonn, D. Duchardt, M. Erdmann, R. Fischer, A. Güth, T. Hebbeker, C. Heidemann, K. Hoepfner, D. Klingebiel, S. Knutzen, P. Kreuzer, M. Merschmeyer, A. Meyer, P. Millet, M. Olschewski, K. Padeken, P. Papacz, H. Reithler, S. A. Schmitz, L. Sonnenschein, D. Teyssier, S. Thüer, M. Weber, V. Cherepanov, Y. Erdogan, G. Flügge, H. Geenen, M. Geisler, W. Haj Ahmad, F. Hoehle, B. Kargoll, T. Kress, Y. Kuessel, A. Künsken, J. Lingemann, A. Nowack, I. M. Nugent, O. Pooth, A. Stahl, M. Aldaya Martin, I. Asin, N. Bartosik, J. Behr, U. Behrens, A. J. Bell, A. Bethani, K. Borras, A. Burgmeier, A. Cakir, L. Calligaris, A. Campbell, S. Choudhury, F. Costanza, C. Diez Pardos, G. Dolinska, S. Dooling, T. Dorland, G. Eckerlin, D. Eckstein, T. Eichhorn, G. Flucke, J. Garay Garcia, A. Geiser, P. Gunnellini, J. Hauk, M. Hempel, H. Jung, A. Kalogeropoulos, M. Kasemann, P. Katsas, J. Kieseler, C. Kleinwort, I. Korol, D. Krücker, W. Lange, J. Leonard, K. Lipka, A. Lobanov, W. Lohmann, B. Lutz, R. Mankel, I. Marfin, I. -A. Melzer-Pellmann, A. B. Meyer, G. Mittag, J. Mnich, A. Mussgiller, S. Naumann-Emme, A. Nayak, E. Ntomari, H. Perrey, D. Pitzl, R. Placakyte, A. Raspereza, P. M. Ribeiro Cipriano, B. Roland, E. Ron, M. Ö. Sahin, J. Salfeld-Nebgen, P. Saxena, T. Schoerner-Sadenius, M. Schröder, C. Seitz, S. Spannagel, A. D. R. Vargas Trevino, R. Walsh, C. Wissing, V. Blobel, M. Centis Vignali, A. R. Draeger, J. Erfle, E. Garutti, K. Goebel, M. Görner, J. Haller, M. Hoffmann, R. S. Höing, A. Junkes, H. Kirschenmann, R. Klanner, R. Kogler, J. Lange, T. Lapsien, T. Lenz, I. Marchesini, J. Ott, T. Peiffer, A. Perieanu, N. Pietsch, J. Poehlsen, T. Poehlsen, D. Rathjens, C. Sander, H. Schettler, P. Schleper, E. Schlieckau, A. Schmidt, M. Seidel, V. Sola, H. Stadie, G. Steinbrück, D. Troendle, E. Usai, L. Vanelderen, A. Vanhoefer, C. Barth, C. Baus, J. Berger, C. Böser, E. Butz, T. Chwalek, W. De Boer, A. Descroix, A. Dierlamm, M. Feindt, F. Frensch, M. Giffels, A. Gilbert, F. Hartmann, T. Hauth, U. Husemann, I. Katkov, A. Kornmayer, E. Kuznetsova, P. Lobelle Pardo, M. U. Mozer, T. Müller, Th. Müller, A. Nürnberg, G. Quast, K. Rabbertz, S. Röcker, H. J. Simonis, F. M. Stober, R. Ulrich, J. Wagner-Kuhr, S. Wayand, T. Weiler, R. Wolf, G. Anagnostou, G. Daskalakis, T. Geralis, V. A. Giakoumopoulou, A. Kyriakis, D. Loukas, A. Markou, C. Markou, A. Psallidas, I. Topsis-Giotis, A. Agapitos, S. Kesisoglou, A. Panagiotou, N. Saoulidou, E. Stiliaris, X. Aslanoglou, I. Evangelou, G. Flouris, C. Foudas, P. Kokkas, N. Manthos, I. Papadopoulos, E. Paradas, J. Strologas, G. Bencze, C. Hajdu, P. Hidas, D. Horvath, F. Sikler, V. Veszpremi, G. Vesztergombi, A. J. Zsigmond, N. Beni, S. Czellar, J. Karancsi, J. Molnar, J. Palinkas, Z. Szillasi, A. Makovec, P. Raics, Z. L. Trocsanyi, B. Ujvari, N. Sahoo, S. K. Swain, S. B. Beri, V. Bhatnagar, R. Gupta, U. Bhawandeep, A. K. Kalsi, M. Kaur, R. Kumar, M. Mittal, N. Nishu, J. B. Singh, Ashok Kumar, Arun Kumar, S. Ahuja, A. Bhardwaj, B. C. Choudhary, A. Kumar, S. Malhotra, M. Naimuddin, K. Ranjan, V. Sharma, S. Banerjee, S. Bhattacharya, K. Chatterjee, S. Dutta, B. Gomber, Sa. Jain, Sh. Jain, R. Khurana, A. Modak, S. Mukherjee, D. Roy, S. Sarkar, M. Sharan, A. Abdulsalam, D. Dutta, S. Kailas, V. Kumar, A. K. Mohanty, L. M. Pant, P. Shukla, A. Topkar, T. Aziz, S. Banerjee, S. Bhowmik, R. M. Chatterjee, R. K. Dewanjee, S. Dugad, S. Ganguly, S. Ghosh, M. Guchait, A. Gurtu, G. Kole, S. Kumar, M. Maity, G. Majumder, K. Mazumdar, G. B. Mohanty, B. Parida, K. Sudhakar, N. Wickramage, H. Bakhshiansohi, H. Behnamian, S. M. Etesami, A. Fahim, R. Goldouzian, M. Khakzad, M. Mohammadi Najafabadi, M. Naseri, S. Paktinat Mehdiabadi, F. Rezaei Hosseinabadi, B. Safarzadeh, M. Zeinali, M. Felcini, M. Grunewald, M. Abbrescia, C. Calabria, S. S. Chhibra, A. Colaleo, D. Creanza, N. De Filippis, M. De Palma, L. Fiore, G. Iaselli, G. Maggi, M. Maggi, S. My, S. Nuzzo, A. Pompili, G. Pugliese, R. Radogna, G. Selvaggi, A. Sharma, L. Silvestris, R. Venditti, P. Verwilligen, G. Abbiendi, A. C. Benvenuti, D. Bonacorsi, S. Braibant-Giacomelli, L. Brigliadori, R. Campanini, P. Capiluppi, A. Castro, F. R. Cavallo, G. Codispoti, M. Cuffiani, G. M. Dallavalle, F. Fabbri, A. Fanfani, D. Fasanella, P. Giacomelli, C. Grandi, L. Guiducci, S. Marcellini, G. Masetti, A. Montanari, F. L. Navarria, A. Perrotta, F. Primavera, A. M. Rossi, T. Rovelli, G. P. Siroli, N. Tosi, R. Travaglini, S. Albergo, G. Cappello, M. Chiorboli, S. Costa, F. Giordano, R. Potenza, A. Tricomi, C. Tuve, G. Barbagli, V. Ciulli, C. Civinini, R. D'Alessandro, E. Focardi, E. Gallo, S. Gonzi, V. Gori, P. Lenzi, M. Meschini, S. Paoletti, G. Sguazzoni, A. Tropiano, L. Benussi, S. Bianco, F. Fabbri, D. Piccolo, R. Ferretti, F. Ferro, M. Lo Vetere, E. Robutti, S. Tosi, M. E. Dinardo, S. Fiorendi, S. Gennai, R. Gerosa, A. Ghezzi, P. Govoni, M. T. Lucchini, S. Malvezzi, R. A. Manzoni, A. Martelli, B. Marzocchi, D. Menasce, L. Moroni, M. Paganoni, D. Pedrini, S. Ragazzi, N. Redaelli, T. Tabarelli de Fatis, S. Buontempo, N. Cavallo, S. Di Guida, F. Fabozzi, A. O. M. Iorio, L. Lista, S. Meola, M. Merola, P. Paolucci, P. Azzi, N. Bacchetta, D. Bisello, A. Branca, R. Carlin, P. Checchia, M. Dall'Osso, T. Dorigo, U. Dosselli, M. Galanti, F. Gasparini, U. Gasparini, P. Giubilato, A. Gozzelino, K. Kanishchev, S. Lacaprara, M. Margoni, A. T. Meneguzzo, J. Pazzini, N. Pozzobon, P. Ronchese, F. Simonetto, E. Torassa, M. Tosi, P. Zotto, A. Zucchetta, G. Zumerle, M. Gabusi, S. P. Ratti, V. Re, C. Riccardi, P. Salvini, P. Vitulo, M. Biasini, G. M. Bilei, D. Ciangottini, L. Fanò, P. Lariccia, G. Mantovani, M. Menichelli, A. Saha, A. Santocchia, A. Spiezia, K. Androsov, P. Azzurri, G. Bagliesi, J. Bernardini, T. Boccali, G. Broccolo, R. Castaldi, M. A. Ciocci, R. Dell'Orso, S. Donato, F. Fiori, L. Foà, A. Giassi, M. T. Grippo, F. Ligabue, T. Lomtadze, L. Martini, A. Messineo, C. S. Moon, F. Palla, A. Rizzi, A. Savoy-Navarro, A. T. Serban, P. Spagnolo, P. Squillacioti, R. Tenchini, G. Tonelli, A. Venturi, P. G. Verdini, C. Vernieri, L. Barone, F. Cavallari, G. D'imperio, D. Del Re, M. Diemoz, C. Jorda, E. Longo, F. Margaroli, P. Meridiani, F. Micheli, S. Nourbakhsh, G. Organtini, R. Paramatti, S. Rahatlou, C. Rovelli, F. Santanastasio, L. Soffi, P. Traczyk, N. Amapane, R. Arcidiacono, S. Argiro, M. Arneodo, R. Bellan, C. Biino, N. Cartiglia, S. Casasso, M. Costa, A. Degano, N. Demaria, L. Finco, C. Mariotti, S. Maselli, E. Migliore, V. Monaco, M. Musich, M. M. Obertino, L. Pacher, N. Pastrone, M. Pelliccioni, G. L. Pinna Angioni, A. Potenza, A. Romero, M. Ruspa, R. Sacchi, A. Solano, A. Staiano, U. Tamponi, S. Belforte, V. Candelise, M. Casarsa, F. Cossutti, G. Della Ricca, B. Gobbo, C. La Licata, M. Marone, A. Schizzi, T. Umer, A. Zanetti, S. Chang, A. Kropivnitskaya, S. K. Nam, D. H. Kim, G. N. Kim, M. S. Kim, D. J. Kong, S. Lee, Y. D. Oh, H. Park, A. Sakharov, D. C. Son, T. J. Kim, J. Y. Kim, S. Song, S. Choi, D. Gyun, B. Hong, M. Jo, H. Kim, Y. Kim, B. Lee, K. S. Lee, S. K. Park, Y. Roh, H. D. Yoo, M. Choi, J. H. Kim, I. C. Park, G. Ryu, M. S. Ryu, Y. Choi, Y. K. Choi, J. Goh, D. Kim, E. Kwon, J. Lee, I. Yu, A. Juodagalvis, J. R. Komaragiri, M. A. B. Md Ali, E. Casimiro Linares, H. Castilla-Valdez, E. De La Cruz-Burelo, I. Heredia-de La Cruz, A. Hernandez-Almada, R. Lopez-Fernandez, A. Sanchez-Hernandez, S. Carrillo Moreno, F. Vazquez Valencia, I. Pedraza, H. A. Salazar Ibarguen, A. Morelos Pineda, D. Krofcheck, P. H. Butler, S. Reucroft, A. Ahmad, M. Ahmad, Q. Hassan, H. R. Hoorani, W. A. Khan, T. Khurshid, M. Shoaib, H. Bialkowska, M. Bluj, B. Boimska, T. Frueboes, M. Górski, M. Kazana, K. Nawrocki, K. Romanowska-Rybinska, M. Szleper, P. Zalewski, G. Brona, K. Bunkowski, M. Cwiok, W. Dominik, K. Doroba, A. Kalinowski, M. Konecki, J. Krolikowski, M. Misiura, M. Olszewski, W. Wolszczak, P. Bargassa, C. Beirão Da Cruz E Silva, P. Faccioli, P. G. Ferreira Parracho, M. Gallinaro, L. Lloret Iglesias, F. Nguyen, J. Rodrigues Antunes, J. Seixas, J. Varela, P. Vischia, S. Afanasiev, P. Bunin, M. Gavrilenko, I. Golutvin, I. Gorbunov, A. Kamenev, V. Karjavin, V. Konoplyanikov, A. Lanev, A. Malakhov, V. Matveev, P. Moisenz, V. Palichik, V. Perelygin, S. Shmatov, N. Skatchkov, V. Smirnov, A. Zarubin, V. Golovtsov, Y. Ivanov, V. Kim, P. Levchenko, V. Murzin, V. Oreshkin, I. Smirnov, V. Sulimov, L. Uvarov, S. Vavilov, A. Vorobyev, An. Vorobyev, Yu. Andreev, A. Dermenev, S. Gninenko, N. Golubev, M. Kirsanov, N. Krasnikov, A. Pashenkov, D. Tlisov, A. Toropin, V. Epshteyn, V. Gavrilov, N. Lychkovskaya, V. Popov, I. Pozdnyakov, G. Safronov, S. Semenov, A. Spiridonov, V. Stolin, E. Vlasov, A. Zhokin, V. Andreev, M. Azarkin, I. Dremin, M. Kirakosyan, A. Leonidov, G. Mesyats, S. V. Rusakov, A. Vinogradov, A. Belyaev, E. Boos, M. Dubinin, L. Dudko, A. Ershov, A. Gribushin, V. Klyukhin, O. Kodolova, I. Lokhtin, S. Obraztsov, S. Petrushanko, V. Savrin, A. Snigirev, I. Azhgirey, I. Bayshev, S. Bitioukov, V. Kachanov, A. Kalinin, D. Konstantinov, V. Krychkine, V. Petrov, R. Ryutin, A. Sobol, L. Tourtchanovitch, S. Troshin, N. Tyurin, A. Uzunian, A. Volkov, P. Adzic, M. Ekmedzic, J. Milosevic, V. Rekovic, J. Alcaraz Maestre, C. Battilana, E. Calvo, M. Cerrada, M. Chamizo Llatas, N. Colino, B. De La Cruz, A. Delgado Peris, D. Domínguez Vázquez, A. Escalante Del Valle, C. Fernandez Bedoya, J. P. Fernández Ramos, J. Flix, M. C. Fouz, P. Garcia-Abia, O. Gonzalez Lopez, S. Goy Lopez, J. M. Hernandez, M. I. Josa, E. Navarro De Martino, A. Pérez-Calero Yzquierdo, J. Puerta Pelayo, A. Quintario Olmeda, I. Redondo, L. Romero, M. S. Soares, C. Albajar, J. F. de Trocóniz, M. Missiroli, D. Moran, H. Brun, J. Cuevas, J. Fernandez Menendez, S. Folgueras, I. Gonzalez Caballero, J. A. Brochero Cifuentes, I. J. Cabrillo, A. Calderon, J. Duarte Campderros, M. Fernandez, G. Gomez, A. Graziano, A. Lopez Virto, J. Marco, R. Marco, C. Martinez Rivero, F. Matorras, F. J. Munoz Sanchez, J. Piedra Gomez, T. Rodrigo, A. Y. Rodríguez-Marrero, A. Ruiz-Jimeno, L. Scodellaro, I. Vila, R. Vilar Cortabitarte, D. Abbaneo, E. Auffray, G. Auzinger, M. Bachtis, P. Baillon, A. H. Ball, D. Barney, A. Benaglia, J. Bendavid, L. Benhabib, J. F. Benitez, C. Bernet, P. Bloch, A. Bocci, A. Bonato, O. Bondu, C. Botta, H. Breuker, T. Camporesi, G. Cerminara, S. Colafranceschi, M. D'Alfonso, D. d'Enterria, A. Dabrowski, A. David, F. De Guio, A. De Roeck, S. De Visscher, E. Di Marco, M. Dobson, M. Dordevic, N. Dupont-Sagorin, A. Elliott-Peisert, G. Franzoni, W. Funk, D. Gigi, K. Gill, D. Giordano, M. Girone, F. Glege, R. Guida, S. Gundacker, M. Guthoff, J. Hammer, M. Hansen, P. Harris, J. Hegeman, V. Innocente, P. Janot, K. Kousouris, K. Krajczar, P. Lecoq, C. Lourenço, N. Magini, L. Malgeri, M. Mannelli, J. Marrouche, L. Masetti, F. Meijers, S. Mersi, E. Meschi, F. Moortgat, S. Morovic, M. Mulders, L. Orsini, L. Pape, E. Perez, L. Perrozzi, A. Petrilli, G. Petrucciani, A. Pfeiffer, M. Pimiä, D. Piparo, M. Plagge, A. Racz, G. Rolandi, M. Rovere, H. Sakulin, C. Schäfer, C. Schwick, A. Sharma, P. Siegrist, P. Silva, M. Simon, P. Sphicas, D. Spiga, J. Steggemann, B. Stieger, M. Stoye, Y. Takahashi, D. Treille, A. Tsirou, G. I. 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Perazzini, V. Vagnoni, G. Valenti, M. Zangoli, W. Bonivento, S. Cadeddu, A. Cardini, V. Cogoni, A. Contu, A. Lai, B. Liu, G. Manca, R. Oldeman, B. Saitta, C. Vacca, M. Andreotti, W. Baldini, C. Bozzi, R. Calabrese, M. Corvo, M. Fiore, M. Fiorini, E. Luppi, L. L. Pappalardo, I. Shapoval, G. Tellarini, L. Tomassetti, S. Vecchi, L. Anderlini, A. Bizzeti, M. Frosini, G. Graziani, G. Passaleva, M. Veltri, G. Bencivenni, P. Campana, P. De Simone, G. Lanfranchi, M. Palutan, M. Rama, A. Sarti, B. Sciascia, R. Vazquez Gomez, R. Cardinale, F. Fontanelli, S. Gambetta, C. Patrignani, A. Petrolini, A. Pistone, M. Calvi, L. Cassina, C. Gotti, B. Khanji, M. Kucharczyk, C. Matteuzzi, J. Fu, A. Geraci, N. Neri, F. Palombo, S. Amerio, G. Collazuol, S. Gallorini, A. Gianelle, D. Lucchesi, A. Lupato, M. Morandin, M. Rotondo, L. Sestini, G. Simi, R. Stroili, F. Bedeschi, R. Cenci, S. Leo, P. Marino, M. J. Morello, G. Punzi, S. Stracka, J. Walsh, G. Carboni, E. Furfaro, E. Santovetti, A. Satta, A. A. Alves Jr, G. Auriemma, V. Bocci, G. Martellotti, G. Penso, D. Pinci, R. Santacesaria, C. Satriano, A. Sciubba, A. Dziurda, W. Kucewicz, T. Lesiak, B. Rachwal, M. Witek, M. Firlej, T. Fiutowski, M. Idzik, P. Morawski, J. Moron, A. Oblakowska-Mucha, K. Swientek, T. Szumlak, V. Batozskaya, K. Klimaszewski, K. Kurek, M. Szczekowski, A. Ukleja, W. Wislicki, L. Cojocariu, L. Giubega, A. Grecu, F. Maciuc, M. Orlandea, B. Popovici, S. Stoica, M. Straticiuc, G. Alkhazov, N. Bondar, A. Dzyuba, O. Maev, N. Sagidova, Y. Shcheglov, A. Vorobyev, S. Belogurov, I. Belyaev, V. Egorychev, D. Golubkov, T. Kvaratskheliya, I. V. Machikhiliyan, I. Polyakov, D. Savrina, A. Semennikov, A. Zhokhov, A. Berezhnoy, M. Korolev, A. Leflat, N. Nikitin, S. Filippov, E. Gushchin, L. Kravchuk, A. Bondar, S. Eidelman, P. Krokovny, V. Kudryavtsev, L. Shekhtman, V. Vorobyev, A. Artamonov, K. Belous, R. Dzhelyadin, Yu. Guz, A. Novoselov, V. Obraztsov, A. Popov, V. Romanovsky, M. Shapkin, O. Stenyakin, O. Yushchenko, A. Badalov, M. Calvo Gomez, L. Garrido, D. Gascon, R. Graciani Diaz, E. Graugés, C. Marin Benito, E. Picatoste Olloqui, V. Rives Molina, H. Ruiz, X. Vilasis-Cardona, B. Adeva, P. Alvarez Cartelle, A. Dosil Suárez, V. Fernandez Albor, A. Gallas Torreira, J. García Pardiñas, J. A. Hernando Morata, M. Plo Casasus, A. Romero Vidal, J. J. Saborido Silva, B. Sanmartin Sedes, C. Santamarina Rios, P. Vazquez Regueiro, C. Vázquez Sierra, M. Vieites Diaz, F. Alessio, F. Archilli, C. Barschel, S. Benson, J. Buytaert, D. Campora Perez, L. Castillo Garcia, M. Cattaneo, Ph. Charpentier, X. Cid Vidal, M. Clemencic, J. Closier, V. Coco, P. Collins, G. Corti, B. Couturier, C. D'Ambrosio, F. Dettori, A. Di Canto, H. Dijkstra, P. Durante, M. Ferro-Luzzi, R. Forty, M. Frank, C. Frei, C. Gaspar, V. V. Gligorov, L. A. Granado Cardoso, T. Gys, C. Haen, J. He, T. Head, E. van Herwijnen, R. Jacobsson, D. Johnson, C. Joram, B. Jost, M. Karacson, T. M. Karbach, D. Lacarrere, B. Langhans, R. Lindner, C. Linn, S. Lohn, A. Mapelli, R. Matev, Z. Mathe, S. Neubert, N. Neufeld, A. Otto, J. Panman, M. Pepe Altarelli, N. Rauschmayr, M. Rihl, S. Roiser, T. Ruf, H. Schindler, B. Schmidt, A. Schopper, R. Schwemmer, S. Sridharan, F. Stagni, V. K. Subbiah, F. Teubert, E. Thomas, D. Tonelli, A. Trisovic, M. Ubeda Garcia, J. Wicht, K. Wyllie, V. Battista, A. Bay, F. Blanc, M. Dorigo, F. Dupertuis, C. Fitzpatrick, S. Gianì, G. Haefeli, P. Jaton, C. Khurewathanakul, I. Komarov, V. N. La Thi, N. Lopez-March, R. Märki, M. Martinelli, B. Muster, T. Nakada, A. D. Nguyen, T. D. Nguyen, C. Nguyen-Mau, J. Prisciandaro, A. Puig Navarro, B. Rakotomiaramanana, J. Rouvinet, O. Schneider, F. Soomro, P. Szczypka, M. Tobin, S. Tourneur, M. T. Tran, G. Veneziano, Z. Xu, J. Anderson, R. Bernet, E. Bowen, A. Bursche, N. Chiapolini, M. Chrzaszcz, Ch. Elsasser, E. Graverini, F. Lionetto, P. Lowdon, K. Müller, N. Serra, O. Steinkamp, B. Storaci, U. Straumann, M. Tresch, A. Vollhardt, R. Aaij, S. Ali, M. van Beuzekom, P. N. Y. David, K. De Bruyn, C. Farinelli, V. Heijne, W. Hulsbergen, E. Jans, P. Koppenburg, A. Kozlinskiy, J. van Leerdam, M. Merk, S. Oggero, A. Pellegrino, H. Snoek, J. van Tilburg, P. Tsopelas, N. Tuning, J. A. de Vries, T. Ketel, R. F. Koopman, R. W. Lambert, D. Martinez Santos, G. Raven, M. Schiller, V. Syropoulos, S. Tolk, A. Dovbnya, S. Kandybei, I. Raniuk, O. Okhrimenko, V. Pugatch, S. Bifani, N. Farley, P. Griffith, I. R. Kenyon, C. Lazzeroni, A. Mazurov, J. McCarthy, L. Pescatore, N. K. Watson, M. P. Williams, M. Adinolfi, J. Benton, N. H. Brook, A. Cook, M. Coombes, J. Dalseno, T. Hampson, S. T. Harnew, P. Naik, E. Price, C. Prouve, J. H. Rademacker, S. Richards, D. M. Saunders, N. Skidmore, D. Souza, J. J. Velthuis, D. Voong, W. Barter, M. -O. Bettler, H. V. Cliff, H. -M. Evans, J. Garra Tico, V. Gibson, S. Gregson, S. C. Haines, C. R. Jones, M. Sirendi, J. Smith, D. R. Ward, S. A. Wotton, S. Wright, J. J. Back, T. Blake, D. C. Craik, A. C. Crocombe, D. Dossett, T. Gershon, M. Kreps, C. Langenbruch, T. Latham, D. P. O'Hanlon, T. Pilař, A. Poluektov, M. M. Reid, R. Silva Coutinho, C. Wallace, M. Whitehead, S. Easo, R. Nandakumar, A. Papanestis, S. Ricciardi, F. F. Wilson, L. Carson, P. E. L. Clarke, G. A. Cowan, S. Eisenhardt, D. Ferguson, D. Lambert, H. Luo, A. -B. Morris, F. Muheim, M. Needham, S. Playfer, M. Alexander, J. Beddow, C. -T. Dean, L. Eklund, D. Hynds, S. Karodia, I. Longstaff, S. Ogilvy, M. Pappagallo, P. Sail, I. Skillicorn, F. J. P. Soler, P. Spradlin, A. Affolder, T. J. V. Bowcock, H. Brown, G. Casse, S. Donleavy, K. Dreimanis, S. Farry, R. Fay, K. Hennessy, D. Hutchcroft, M. Liles, B. McSkelly, G. D. Patel, J. D. Price, A. Pritchard, K. Rinnert, T. Shears, N. A. Smith, G. Ciezarek, S. Cunliffe, R. Currie, U. Egede, P. Fol, A. Golutvin, S. Hall, M. McCann, P. Owen, M. Patel, K. Petridis, F. Redi, I. Sepp, E. Smith, W. Sutcliffe, D. Websdale, R. B. Appleby, R. J. Barlow, T. Bird, P. M. Bjørnstad, S. Borghi, D. Brett, J. Brodzicka, L. Capriotti, S. Chen, S. De Capua, G. Dujany, M. Gersabeck, J. Harrison, C. Hombach, S. Klaver, G. Lafferty, A. McNab, C. Parkes, A. Pearce, S. Reichert, E. Rodrigues, P. Rodriguez Perez, M. Smith, S. -F. Cheung, D. Derkach, T. Evans, R. Gauld, E. Greening, N. Harnew, D. Hill, P. Hunt, N. Hussain, J. Jalocha, M. John, O. Lupton, S. Malde, E. Smith, S. Stevenson, C. Thomas, S. Topp-Joergensen, N. Torr, G. Wilkinson, I. Counts, P. Ilten, M. Williams, R. Andreassen, A. Davis, W. De Silva, B. Meadows, M. D. Sokoloff, L. Sun, J. Todd, J. E. Andrews, B. Hamilton, A. Jawahery, J. Wimberley, M. Artuso, S. Blusk, A. Borgia, T. Britton, S. Ely, P. Gandini, J. Garofoli, B. Gui, C. Hadjivasiliou, N. Jurik, M. Kelsey, R. Mountain, B. K. Pal, T. Skwarnicki, S. Stone, J. Wang, Z. Xing, L. Zhang, C. Baesso, M. Cruz Torres, C. Göbel, J. Molina Rodriguez, Y. Xie, D. A. Milanes, O. Grünberg, M. Heß, C. Voß, R. Waldi, T. Likhomanenko, A. Malinin, V. Shevchenko, A. Ustyuzhanin, F. Martinez Vidal, A. Oyanguren, P. Ruiz Valls, C. Sanchez Mayordomo, C. J. G. Onderwater, H. W. Wilschut, E. Pesen

A joint measurement is presented of the branching fractions $B^0_s\to\mu^+\mu^-$ and $B^0\to\mu^+\mu^-$ in proton-proton collisions at the LHC by the CMS and LHCb experiments. The data samples were collected in 2011 at a centre-of-mass energy of 7 TeV, and in 2012 at 8 TeV. The combined analysis produces the first observation of the $B^0_s\to\mu^+\mu^-$ decay, with a statistical significance exceeding six standard deviations, and the best measurement of its branching fraction so far. Read More

The search for light stops is of paramount importance, both in general as a promising path to the discovery of beyond the standard model physics and more specifically as a way of evaluating the success of the naturalness paradigm. While the LHC experiments have ruled out much of the relevant parameter space, there are "stop gaps", i.e. Read More

We present the activities of the "New Physics" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 3--21 June, 2013). Our report includes new computational tool developments, studies of the implications of the Higgs boson discovery on new physics, important signatures for searches for natural new physics at the LHC, new studies of flavour aspects of new physics, and assessments of the interplay between direct dark matter searches and the LHC. Read More

We consider a class of on-shell constrained mass variables that are 3+1 dimensional generalizations of the Cambridge $M_{T2}$ variable and that automatically incorporate various assumptions about the underlying event topology. The presence of additional on-shell constraints causes their kinematic distributions to exhibit sharper endpoints than the usual $M_{T2}$ distribution. We study the mathematical properties of these new variables, e. Read More

2013Aug
Authors: M. Bicer, H. Duran Yildiz, I. Yildiz, G. Coignet, M. Delmastro, T. Alexopoulos, C. Grojean, S. Antusch, T. Sen, H. -J. He, K. Potamianos, S. Haug, A. Moreno, A. Heister, V. Sanz, G. Gomez-Ceballos, M. Klute, M. Zanetti, L. -T. Wang, M. Dam, C. Boehm, N. Glover, F. Krauss, A. Lenz, M. Syphers, C. Leonidopoulos, V. Ciulli, P. Lenzi, G. Sguazzoni, M. Antonelli, M. Boscolo, U. Dosselli, O. Frasciello, C. Milardi, G. Venanzoni, M. Zobov, J. van der Bij, M. de Gruttola, D. -W. Kim, M. Bachtis, A. Butterworth, C. Bernet, C. Botta, F. Carminati, A. David, D. d'Enterria, L. Deniau, G. Ganis, B. Goddard, G. Giudice, P. Janot, J. M. Jowett, C. Lourenco, L. Malgeri, E. Meschi, F. Moortgat, P. Musella, J. A. Osborne, L. Perrozzi, M. Pierini, L. Rinolfi, A. de Roeck, J. Rojo, G. Roy, A. Sciaba, A. Valassi, C. S. Waaijer, J. Wenninger, H. Woehri, F. Zimmermann, A. Blondel, M. Koratzinos, P. Mermod, Y. Onel, R. Talman, E. Castaneda Miranda, E. Bulyak, D. Porsuk, D. Kovalskyi, S. Padhi, P. Faccioli, J. R. Ellis, M. Campanelli, Y. Bai, M. Chamizo, R. B. Appleby, H. Owen, H. Maury Cuna, C. Gracios, G. A. Munoz-Hernandez, L. Trentadue, E. Torrente-Lujan, S. Wang, D. Bertsche, A. Gramolin, V. Telnov, M. Kado, P. Petroff, P. Azzi, O. Nicrosini, F. Piccinini, G. Montagna, F. Kapusta, S. Laplace, W. da Silva, N. Gizani, N. Craig, T. Han, C. Luci, B. Mele, L. Silvestrini, M. Ciuchini, R. Cakir, R. Aleksan, F. Couderc, S. Ganjour, E. Lancon, E. Locci, P. Schwemling, M. Spiro, C. Tanguy, J. Zinn-Justin, S. Moretti, M. Kikuchi, H. Koiso, K. Ohmi, K. Oide, G. Pauletta, R. Ruiz de Austri, M. Gouzevitch, S. Chattopadhyay

The discovery by the ATLAS and CMS experiments of a new boson with mass around 125 GeV and with measured properties compatible with those of a Standard-Model Higgs boson, coupled with the absence of discoveries of phenomena beyond the Standard Model at the TeV scale, has triggered interest in ideas for future Higgs factories. A new circular e+e- collider hosted in a 80 to 100 km tunnel, TLEP, is among the most attractive solutions proposed so far. It has a clean experimental environment, produces high luminosity for top-quark, Higgs boson, W and Z studies, accommodates multiple detectors, and can reach energies up to the t-tbar threshold and beyond. Read More

2012Mar
Authors: G. Brooijmans, B. Gripaios, F. Moortgat, J. Santiago, P. Skands, D. Albornoz Vásquez, B. C. Allanach, A. Alloul, A. Arbey, A. Azatov, H. Baer, C. Balázs, A. Barr, L. Basso, M. Battaglia, P. Bechtle, G. Bélanger, A. Belyaev, K. Benslama, L. Bergström, A. Bharucha, C. Boehm, M. Bondarenko, O. Bondu, E. Boos, F. Boudjema, T. Bringmann, M. Brown, V. Bunichev, S. Calvet, M. Campanelli, A. Carmona, D. G. Cerdeño, M. Chala, R. S. Chivukula, D. Chowdhury, N. D. Christensen, M. Cirelli, S. Cox, K. Cranmer, J. Da Silva, T. Delahaye, A. De Roeck, A. Djouadi, E. Dobson, M. Dolan, F. Donato, G. Drieu La Rochelle, G. Duda, C. Duhr, B. Dumont, J. Edsjö, J. Ellis, C. Evoli, A. Falkowski, M. Felcini, B. Fuks, E. Gabrielli, D. Gaggero, S. Gascon-Shotkin, D. K. Ghosh, A. Giammanco, R. M. Godbole, P. Gondolo, T. Goto, D. Grasso, P. Gris, D. Guadagnoli, J. F. Gunion, U. Haisch, L. Hartgring, S. Heinemeyer, M. Hirsch, J. Hewett, A. Ismail, T. Jeltema, M. Kadastik, M. Kakizaki, K. Kannike, S. Khalil, J-L. Kneur, M. Krämer, S. Kraml, S. Kreiss, J. Lavalle, R. Leane, J. Lykken, L. Maccione, F. Mahmoudi, M. Mangano, S. P. Martin, D. Maurin, G. Moreau, S. Moretti, I. Moskalenko, G. Moultaka, M. Muhlleitner, I. Niessen, B. O'Leary, E. Orlando, P. Panci, G. Polesello, W. Porod, T. Porter, S. Profumo, H. Prosper, A. Pukhov, A. Racioppi, M. Raidal, M. Rausch de Traubenberg, A. Renaud, J. Reuter, T. G. Rizzo, T. Robens, A. Y. Rodríguez-Marrero, P. Salati, C. Savage, P. Scott, S. Sekmen, A. Semenov, C. -L. Shan, C. Shepherd-Themistocleous, E. H. Simmons, P. Slavich, C. Speckner, F. Staub, A. Strong, R. Taillet, F. S. Thomas, M. C. Thomas, I. Tomalin, M. Tytgat, M. Ughetto, L. Valéry, D. G. E. Walker, A. Weiler, S. M. West, C. D. White, A. J. Williams, A. Wingerter, C. Wymant, J. -H. Yu, C. -P. Yuan, D. Zerwas

We present the activities of the "New Physics" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 30 May-17 June, 2011). Our report includes new agreements on formats for interfaces between computational tools, new tool developments, important signatures for searches at the LHC, recommendations for presentation of LHC search results, as well as additional phenomenological studies. Read More

We interpret within the phenomenological MSSM (pMSSM) the results of SUSY searches published by the CMS collaboration based on the first ~1 fb^-1 of data taken during the 2011 LHC run at 7 TeV. The pMSSM is a 19-dimensional parametrization of the MSSM that captures most of its phenomenological features. It encompasses, and goes beyond, a broad range of more constrained SUSY models. Read More

Composite Higgs models provide a natural, non-supersymmetric solution to the hierarchy problem. In these models, one or more sets of heavy top-partners are typically introduced. Some of these new quarks can be relatively light, with a mass of a few hundred GeV, and could be observed with the early LHC collision data expected to be collected during 2010. Read More

2009Dec
Authors: The CMS Electromagnetic Calorimeter Group, P. Adzic1, N. Almeida2, D. Andelin3, I. Anicin4, Z. Antunovic5, R. Arcidiacono6, M. W. Arenton7, E. Auffray8, S. Argiro9, A. Askew10, S. Baccaro11, S. Baffioni12, M. Balazs13, D. Bandurin14, D. Barney15, L. M. Barone16, A. Bartoloni17, C. Baty18, S. Beauceron19, K. W. Bell20, C. Bernet21, M. Besancon22, B. Betev23, R. Beuselinck24, C. Biino25, J. Blaha26, P. Bloch27, A. Borisevitch28, A. Bornheim29, J. Bourotte30, R. M. Brown31, M. Buehler32, P. Busson33, B. Camanzi34, T. Camporesi35, N. Cartiglia36, F. Cavallari37, A. Cecilia38, P. Chang39, Y. H. Chang40, C. Charlot41, E. A. Chen42, W. T. Chen43, Z. Chen44, R. Chipaux45, B. C. Choudhary46, R. K. Choudhury47, D. J. A. Cockerill48, S. Conetti49, S. Cooper50, F. Cossutti51, B. Cox52, D. G. Cussans53, I. Dafinei54, D. R. Da Silva Di Calafiori55, G. Daskalakis56, A. David57, K. Deiters58, M. Dejardin59, A. De Benedetti60, G. Della Ricca61, D. Del Re62, D. Denegri63, P. Depasse64, J. Descamps65, M. Diemoz66, E. Di Marco67, G. Dissertori68, M. Dittmar69, L. Djambazov70, M. Djordjevic71, L. Dobrzynski72, A. Dolgopolov73, S. Drndarevic74, G. Drobychev75, D. Dutta76, M. Dzelalija77, A. Elliott-Peisert78, H. El Mamouni79, I. Evangelou80, B. Fabbro81, J. L. Faure82, J. Fay83, A. Fedorov84, F. Ferri85, D. Franci86, G. Franzoni87, K. Freudenreich88, W. Funk89, S. Ganjour90, S. Gascon91, M. Gataullin92, F. X. Gentit93, A. Ghezzi94, A. Givernaud95, S. Gninenko96, A. Go97, B. Gobbo98, N. Godinovic99, N. Golubev100, P. Govoni101, N. Grant102, P. Gras103, M. Haguenauer104, G. Hamel de Monchenault105, M. Hansen106, J. Haupt107, H. F. Heath108, B. Heltsley109, W. Hintz110, R. Hirosky111, P. R. Hobson112, A. Honma113, G. W. S. Hou114, Y. Hsiung115, M. Huhtinen116, B. Ille117, Q. Ingram118, A. Inyakin119, P. Jarry120, C. Jessop121, D. Jovanovic122, K. Kaadze123, V. Kachanov124, S. Kailas125, S. K. Kataria126, B. W. Kennedy127, P. Kokkas128, T. Kolberg129, M. Korjik130, N. Krasnikov131, D. Krpic132, Y. Kubota133, C. M. Kuo134, P. Kyberd135, A. Kyriakis136, M. Lebeau137, P. Lecomte138, P. Lecoq139, A. Ledovskoy140, M. Lethuillier141, S. W. Lin142, W. Lin143, V. Litvine144, E. Locci145, E. Longo146, D. Loukas147, P. D. Luckey148, W. Lustermann149, Y. Ma150, M. Malberti151, J. Malclès152, D. Maletic153, N. Manthos154, Y. Maravin155, C. Marchica156, N. Marinelli157, A. Markou158, C. Markou159, M. Marone160, V. Matveev161, C. Mavrommatis162, P. Meridiani163, P. Milenovic164, P. Miné165, O. Missevitch166, A. K. Mohanty167, F. Moortgat168, P. Musella169, Y. Musienko170, A. Nardulli171, J. Nash172, P. Nedelec173, P. Negri174, H. B. Newman175, A. Nikitenko176, F. Nessi-Tedaldi177, M. M. Obertino178, G. Organtini179, T. Orimoto180, M. Paganoni181, P. Paganini182, A. Palma183, L. Pant184, A. Papadakis185, I. Papadakis186, I. Papadopoulos187, R. Paramatti188, P. Parracho189, N. Pastrone190, J. R. Patterson191, F. Pauss192, J-P. Peigneux193, E. Petrakou194, D. G. Phillips II195, P. Piroué196, F. Ptochos197, I. Puljak198, A. Pullia199, T. Punz200, J. Puzovic201, S. Ragazzi202, S. Rahatlou203, J. Rander204, P. A. Razis205, N. Redaelli206, D. Renker207, S. Reucroft208, P. Ribeiro209, C. Rogan210, M. Ronquest211, A. Rosowsky212, C. Rovelli213, P. Rumerio214, R. Rusack215, S. V. Rusakov216, M. J. Ryan217, L. Sala218, R. Salerno219, M. Schneegans220, C. Seez221, P. Sharp222, C. H. Shepherd-Themistocleous223, J. G. Shiu224, R. K. Shivpuri225, P. Shukla226, C. Siamitros227, D. Sillou228, J. Silva229, P. Silva230, A. Singovsky231, Y. Sirois232, A. Sirunyan233, V. J. Smith234, F. Stöckli235, J. Swain236, T. Tabarelli de Fatis237, M. Takahashi238, V. Tancini239, O. Teller240, K. Theofilatos241, C. Thiebaux242, V. Timciuc243, C. Timlin244, M. Titov245, A. Topkar246, F. A. Triantis247, S. Troshin248, N. Tyurin249, K. Ueno250, A. Uzunian251, J. Varela252, P. Verrecchia253, J. Veverka254, T. Virdee255, M. Wang256, D. Wardrope257, M. Weber258, J. Weng259, J. H. Williams260, Y. Yang261, I. Yaselli262, R. Yohay263, A. Zabi264, S. Zelepoukine265, J. Zhang266, L. Y. Zhang267, K. Zhu268, R. Y. Zhu269
Affiliations: 1Vinca Institute of Nuclear Sciences, Belgrade, Serbia, 2Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 3University of Virginia, Charlottesville, Virginia, USA, 422 and a, 5University of Split, Split, Croatia, 6Università di Torino e Sezione dell'INFN, Torino, Italy, 7University of Virginia, Charlottesville, Virginia, USA, 8CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 9Università di Torino e Sezione dell'INFN, Torino, Italy, 10Florida State University, Tallahassee, FL, USA, 11Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 12Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 13University of Virginia, Charlottesville, Virginia, USA, 14Kansas State University, Manhattan, Kansas, USA, 15CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 16Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 17Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 18Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 19CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 20Rutherford Appleton Laboratory, Didcot, United Kingdom, 21Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 22DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 23Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 24Imperial College, University of London, London, United Kingdom, 25Università di Torino e Sezione dell'INFN, Torino, Italy, 26Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 27CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 28Research Institute for Nuclear Problems, Minsk, Belarus, 29California Institute of Technology, Pasadena, California, USA, 30Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 31Rutherford Appleton Laboratory, Didcot, United Kingdom, 32University of Virginia, Charlottesville, Virginia, USA, 33Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 34Rutherford Appleton Laboratory, Didcot, United Kingdom, 35Imperial College, University of London, London, United Kingdom, 36Università di Torino e Sezione dell'INFN, Torino, Italy, 37Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 3815 and b, 39National Taiwan University, 40National Central University, Chung-Li, Taiwan, 41Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 42National Central University, Chung-Li, Taiwan, 43National Central University, Chung-Li, Taiwan, 44Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 45DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 46University of Delhi, Delhi, India, 47Bhabha Atomic Research Centre, Mumbai, India, 48Rutherford Appleton Laboratory, Didcot, United Kingdom, 49University of Virginia, Charlottesville, Virginia, USA, 50University of Minnesota, Minneapolis, MN, USA, 51Università di Trieste e Sezione dell'INFN, Trieste, Italy, 52University of Virginia, Charlottesville, Virginia, USA, 53University of Bristol, Bristol, United Kingdom, 54Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 55Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 56Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 57Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 58Paul Scherrer Institut, Villigen, Switzerland, 59DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 60University of Minnesota, Minneapolis, MN, USA, 61Università di Trieste e Sezione dell'INFN, Trieste, Italy, 62Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 63DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 64Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 65DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 66Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 67Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 68Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 69Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 70Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 71Vinca Institute of Nuclear Sciences, Belgrade, Serbia, 72Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 73University of Minnesota, Minneapolis, MN, USA, 7422 and a, 75Research Institute for Nuclear Problems, Minsk, Belarus, 76Bhabha Atomic Research Centre, Mumbai, India, 77University of Split, Split, Croatia, 78CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 79Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 80University of Ioánnina, Ioánnina, Greece, 81DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 82DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 83Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 84Research Institute for Nuclear Problems, Minsk, Belarus, 85DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 86Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 87University of Minnesota, Minneapolis, MN, USA, 88Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 89CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 90DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 91Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 92California Institute of Technology, Pasadena, California, USA, 93DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 94Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 95DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 96Institute for Nuclear Research, Moscow, Russia, 97National Central University, Chung-Li, Taiwan, 98Università di Trieste e Sezione dell'INFN, Trieste, Italy, 99Technical University of Split, Split, Croatia, 100Institute for Nuclear Research, Moscow, Russia, 101Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 102University of Bristol, Bristol, United Kingdom, 103DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 104Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 105DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 106CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 107University of Minnesota, Minneapolis, MN, USA, 108University of Bristol, Bristol, United Kingdom, 109Cornell University, Ithaca, New York, USA, 110Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 111University of Virginia, Charlottesville, Virginia, USA, 112Brunel University, Uxbridge, United Kingdom, 113CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 114National Taiwan University, 115National Taiwan University, 116CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 117Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 118Paul Scherrer Institut, Villigen, Switzerland, 119University of Minnesota, Minneapolis, MN, USA, 120DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 121University of Notre Dame, Notre Dame, IN, USA, 12222 and a, 123Kansas State University, Manhattan, Kansas, USA, 124IHEP, Protvino, Russia, 125Bhabha Atomic Research Centre, Mumbai, India, 126Bhabha Atomic Research Centre, Mumbai, India, 127Rutherford Appleton Laboratory, Didcot, United Kingdom, 128University of Ioánnina, Ioánnina, Greece, 129University of Notre Dame, Notre Dame, IN, USA, 130Research Institute for Nuclear Problems, Minsk, Belarus, 131Institute for Nuclear Research, Moscow, Russia, 13222 and a, 133University of Minnesota, Minneapolis, MN, USA, 134National Central University, Chung-Li, Taiwan, 135Brunel University, Uxbridge, United Kingdom, 136Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 137CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 138Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 139CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 140University of Virginia, Charlottesville, Virginia, USA, 141Institut de Physique Nucléaire de Lyon, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France, 142National Taiwan University, 143National Taiwan University, 144California Institute of Technology, Pasadena, California, USA, 145DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 146Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 147Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 148Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 149Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 150California Institute of Technology, Pasadena, California, USA, 151Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 152DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 153Vinca Institute of Nuclear Sciences, Belgrade, Serbia, 154University of Ioánnina, Ioánnina, Greece, 155Kansas State University, Manhattan, Kansas, USA, 156Paul Scherrer Institut, Villigen, Switzerland, 157University of Notre Dame, Notre Dame, IN, USA, 158Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 159Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 160Università di Torino e Sezione dell'INFN, Torino, Italy, 161Institute for Nuclear Research, Moscow, Russia, 162Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 163CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 164Vinca Institute of Nuclear Sciences, Belgrade, Serbia, 165Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 166Research Institute for Nuclear Problems, Minsk, Belarus, 167Bhabha Atomic Research Centre, Mumbai, India, 168Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 169Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 170Institute for Nuclear Research, Moscow, Russia, 171Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 172Imperial College, University of London, London, United Kingdom, 173Laboratoire d'Annecy-le-Vieux de Physique des Particules, IN2P3-CNRS, Annecy-le-Vieux, France, 174Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 175California Institute of Technology, Pasadena, California, USA, 176Imperial College, University of London, London, United Kingdom, 177Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 178Università di Torino e Sezione dell'INFN, Torino, Italy, 179Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 180California Institute of Technology, Pasadena, California, USA, 181Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 182Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 183Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 184Bhabha Atomic Research Centre, Mumbai, India, 185University of Cyprus, Nicosia, Cyprus, 186Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 187University of Ioánnina, Ioánnina, Greece, 188Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 189Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 190Università di Torino e Sezione dell'INFN, Torino, Italy, 191Cornell University, Ithaca, New York, USA, 192Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 193Laboratoire d'Annecy-le-Vieux de Physique des Particules, IN2P3-CNRS, Annecy-le-Vieux, France, 194Institute of Nuclear Physics "Demokritos", Aghia Paraskevi, Greece, 195University of Virginia, Charlottesville, Virginia, USA, 196Princeton University, Princeton, NJ, USA, 197University of Cyprus, Nicosia, Cyprus, 198Technical University of Split, Split, Croatia, 199Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 200Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 20122 and a, 202Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 203Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 204DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 205University of Cyprus, Nicosia, Cyprus, 206Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 207Paul Scherrer Institut, Villigen, Switzerland, 208Northeastern University, Boston, Massachusetts, USA, 209Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 210California Institute of Technology, Pasadena, California, USA, 211University of Virginia, Charlottesville, Virginia, USA, 212DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 213Sapienza Università di Roma e Sezione dell'INFN, Roma, Italy, 214CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 215University of Minnesota, Minneapolis, MN, USA, 216Lebedev Physical Institute, Moscow, Russia, 217Imperial College, University of London, London, United Kingdom, 218Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 219Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 220Laboratoire d'Annecy-le-Vieux de Physique des Particules, IN2P3-CNRS, Annecy-le-Vieux, France, 221Imperial College, University of London, London, United Kingdom, 222CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 223Rutherford Appleton Laboratory, Didcot, United Kingdom, 224National Taiwan University, 225University of Delhi, Delhi, India, 226Bhabha Atomic Research Centre, Mumbai, India, 227Brunel University, Uxbridge, United Kingdom, 228Laboratoire d'Annecy-le-Vieux de Physique des Particules, IN2P3-CNRS, Annecy-le-Vieux, France, 229Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 230Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 231University of Minnesota, Minneapolis, MN, USA, 232Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 233Yerevan Physics Institute, Yerevan, Armenia, 234University of Bristol, Bristol, United Kingdom, 235Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 236Northeastern University, Boston, Massachusetts, USA, 237Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 238Imperial College, University of London, London, United Kingdom, 239Istituto Nazionale di Fisica Nucleare e Università degli Studi di Milano Bicocca, Milano, Italy, 240CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 241Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 242Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 243California Institute of Technology, Pasadena, California, USA, 244Imperial College, University of London, London, United Kingdom, 245DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 246Bhabha Atomic Research Centre, Mumbai, India, 247University of Ioánnina, Ioánnina, Greece, 248IHEP, Protvino, Russia, 249IHEP, Protvino, Russia, 250National Taiwan University, 251IHEP, Protvino, Russia, 252Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal, 253DSM/DAPNIA, CEA/Saclay, Gif-sur-Yvette, France, 254California Institute of Technology, Pasadena, California, USA, 255CERN, European Organisation for Nuclear Research, Geneva, Switzerland, 256National Taiwan University, 257Imperial College, University of London, London, United Kingdom, 258Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 259Institute for Particle Physics, ETH Zurich, Zurich, Switzerland, 26029, *, 261California Institute of Technology, Pasadena, California, USA, 262Brunel University, Uxbridge, United Kingdom, 263University of Virginia, Charlottesville, Virginia, USA, 264Laboratoire Leprince-Ringuet, Ecole Polytechnique, IN2P3-CNRS, Palaiseau, France, 265IHEP, Protvino, Russia, 266University of Minnesota, Minneapolis, MN, USA, 267California Institute of Technology, Pasadena, California, USA, 268California Institute of Technology, Pasadena, California, USA, 269California Institute of Technology, Pasadena, California, USA

Ensuring the radiation hardness of PbWO4 crystals was one of the main priorities during the construction of the electromagnetic calorimeter of the CMS experiment at CERN. The production on an industrial scale of radiation hard crystals and their certification over a period of several years represented a difficult challenge both for CMS and for the crystal suppliers. The present article reviews the related scientific and technological problems encountered. Read More

The inclusive same-sign dilepton channel is already recognized as a promising discovery signature for supersymmetry in the early days of the LHC. We point out that it can also be used for precision measurements of sparticle masses after the initial discovery. As an illustration, we consider the LM6 CMS study point in minimal supergravity, where the same-sign leptons most often result from chargino decays to sneutrinos. Read More

Discoveries at the LHC will soon set the physics agenda for future colliders. This report of a CERN Theory Institute includes the summaries of Working Groups that reviewed the physics goals and prospects of LHC running with 10 to 300/fb of integrated luminosity, of the proposed sLHC luminosity upgrade, of the ILC, of CLIC, of the LHeC and of a muon collider. The four Working Groups considered possible scenarios for the first 10/fb of data at the LHC in which (i) a state with properties that are compatible with a Higgs boson is discovered, (ii) no such state is discovered either because the Higgs properties are such that it is difficult to detect or because no Higgs boson exists, (iii) a missing-energy signal beyond the Standard Model is discovered as in some supersymmetric models, and (iv) some other exotic signature of new physics is discovered. Read More

We critically reexamine the standard applications of the method of kinematical endpoints for sparticle mass determination. We consider the typical decay chain in supersymmetry (SUSY) squark -> neutralino -> slepton -> LSP, which yields a jet j and two leptons ln and lf. The conventional approaches use the upper kinematical endpoints of the individual distributions m_{jll}, m_{jl(lo)} and m_{jl(hi)}, all three of which suffer from parameter space region ambiguities and may lead to multiple solutions for the SUSY mass spectrum. Read More

2008Oct
Affiliations: 1ETH Zurich, 2ETH Zurich, 3ETH Zurich

In this note a study of hadronic event shapes in QCD events at the Large Hadron Collider (LHC) is presented. Calorimetric jet momenta, determined by various jet clustering algorithms, are used as input for calculating various event-shape variables which probe the structure of the hadronic final state. It is shown that the normalized event-shape distributions are robust under variations of the jet energy scale and resolution effects, which makes them particularly suitable for early data analysis and tuning of Monte Carlo models. Read More

We study the potential observation at the LHC of CP-violating effects in stop production and subsequent cascade decays, g g -> tilde{t}_i tilde{t}_i, tilde{t}_i -> t tilde{chi}^0_j, tilde{chi}^0_j -> tilde{\chi}^0_1 l^+ l^-, within the Minimal Supersymmetric Standard Model. We study T-odd asymmetries based on triple products between the different decay products. There may be a large CP asymmetry at the parton level, but there is a significant dilution at the hadronic level after integrating over the parton distribution functions. Read More

2008Jan

This review presents flavour related issues in the production and decays of heavy states at LHC, both from the experimental side and from the theoretical side. We review top quark physics and discuss flavour aspects of several extensions of the Standard Model, such as supersymmetry, little Higgs model or models with extra dimensions. This includes discovery aspects as well as measurement of several properties of these heavy states. Read More

The Supersymmetry Les Houches Accord (SLHA) provides a universal set of conventions for conveying spectral and decay information for supersymmetry analysis problems in high energy physics. Here, we propose extensions of the conventions of the first SLHA to include various generalisations: the minimal supersymmetric standard model with violation of CP, R-parity, and flavour, as well as the simplest next-to-minimal model. Read More

2007Sep
Affiliations: 1Tsinghua U., Beijing, 2Tsinghua U., Beijing, 3Sichuan U., 4U. Michigan, 5CERN, 6U. of Southampton and U. Torino

Heavy neutral Higgs boson production and decay into neutralino and chargino pairs is studied at the Large Hadron Collider in the context of the Minimal Supersymmetric Standard Model. Higgs boson decays into the heavier neutralino and chargino states, i.e. Read More

A standard file format is proposed to store process and event information, primarily output from parton-level event generators for further use by general-purpose ones. The information content is identical with what was already defined by the Les Houches Accord five years ago, but then in terms of Fortran commonblocks. This information is embedded in a minimal XML-style structure, for clarity and to simplify parsing. Read More

2006Feb
Affiliations: 1ed., 2ed., 3ed.

The work contained herein constitutes a report of the "Beyond the Standard Model'' working group for the Workshop "Physics at TeV Colliders", Les Houches, France, 2-20 May, 2005. We present reviews of current topics as well as original research carried out for the workshop. Supersymmetric and non-supersymmetric models are studied, as well as computational tools designed in order to facilitate their phenomenology. Read More

We propose and examine a new set of benchmark supersymmetric scenarios, some of which have non-universal Higgs scalar masses (NUHM) and others have gravitino dark matter (GDM). The scalar masses in these models are either considerably larger or smaller than the narrow range allowed for the same gaugino mass m_{1/2} in the constrained MSSM (CMSSM) with universal scalar masses m_0 and neutralino dark matter. The NUHM and GDM models with larger m_0 may have large branching ratios for Higgs and/or $Z$ production in the cascade decays of heavier sparticles, whose detection we discuss. Read More

The achievable precision of the cross section times branching ratio measurement from the event rates is estimated for the MSSM H/A -> tau tau decay in the associated production process gg -> b bbar H/A at large tan beta in CMS. This work demonstrates that the above production and decay process exhibit a large sensitivity to tan beta and thus add as a significant observable to a global fit of the SUSY parameters. To illustrate this potential an example is given concerning the achievable tan beta determination accuracy that could be reached from the event rates and for a given set of SUSY parameters and uncertainties. Read More

2004Oct
Authors: LHC/LC Study Group, :, G. Weiglein, T. Barklow, E. Boos, A. De Roeck, K. Desch, F. Gianotti, R. Godbole, J. F. Gunion, H. E. Haber, S. Heinemeyer, J. L. Hewett, K. Kawagoe, K. Monig, M. M. Nojiri, G. Polesello, F. Richard, S. Riemann, W. J. Stirling, A. G. Akeroyd, B. C. Allanach, D. Asner, S. Asztalos, H. Baer, M. Battaglia, U. Baur, P. Bechtle, G. Belanger, A. Belyaev, E. L. Berger, T. Binoth, G. A. Blair, S. Boogert, F. Boudjema, D. Bourilkov, W. Buchmuller, V. Bunichev, G. Cerminara, M. Chiorboli, H. Davoudiasl, S. Dawson, S. De Curtis, F. Deppisch, M. A. Diaz, M. Dittmar, A. Djouadi, D. Dominici, U. Ellwanger, J. L. Feng, I. F. Ginzburg, A. Giolo-Nicollerat, B. K. Gjelsten, S. Godfrey, D. Grellscheid, J. Gronberg, E. Gross, J. Guasch, K. Hamaguchi, T. Han, J. Hisano, W. Hollik, C. Hugonie, T. Hurth, J. Jiang, A. Juste, J. Kalinowski, W. Kilian, R. Kinnunen, S. Kraml, M. Krawczyk, A. Krokhotine, T. Krupovnickas, R. Lafaye, S. Lehti, H. E. Logan, E. Lytken, V. Martin, H. -U. Martyn, D. J. Miller, S. Moretti, F. Moortgat, G. Moortgat-Pick, M. Muhlleitner, P. Niezurawski, A. Nikitenko, L. H. Orr, P. Osland, A. F. Osorio, H. Pas, T. Plehn, W. Porod, A. Pukhov, F. Quevedo, D. Rainwater, M. Ratz, A. Redelbach, L. Reina, T. Rizzo, R. Ruckl, H. J. Schreiber, M. Schumacher, A. Sherstnev, S. Slabospitsky, J. Sola, A. Sopczak, M. Spira, M. Spiropulu, Z. Sullivan, M. Szleper, T. M. P. Tait, X. Tata, D. R. Tovey, A. Tricomi, M. Velasco, D. Wackeroth, C. E. M. Wagner, S. Weinzierl, P. Wienemann, T. Yanagida, A. F. Zarnecki, D. Zerwas, P. M. Zerwas, L. Zivkovic

Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations of hadron and lepton colliders. This report addresses the possible interplay between the LHC and ILC in testing the Standard Model and in discovering and determining the origin of new physics. Mutual benefits for the physics programme at both machines can occur both at the level of a combined interpretation of Hadron Collider and Linear Collider data and at the level of combined analyses of the data, where results obtained at one machine can directly influence the way analyses are carried out at the other machine. Read More

Theoretical progress in Higgs boson production and background processes is discussed with particular emphasis on QCD corrections at and beyond next-to-leading order as well as next-to-leading order electroweak corrections. The residual theoretical uncertainties of the investigated processes are estimated in detail. Moreover, recent investigations of the MSSM Higgs sector and other extensions of the SM Higgs sector are presented. Read More

The work contained herein constitutes a report of the ``Beyond the Standard Model'' working group for the Workshop "Physics at TeV Colliders", Les Houches, France, 26 May--6 June, 2003. The research presented is original, and was performed specifically for the workshop. Tools for calculations in the minimal supersymmetric standard model are presented, including a comparison of the dark matter relic density predicted by public codes. Read More

An accord specifying a unique set of conventions for supersymmetric extensions of the Standard Model together with generic file structures for 1) supersymmetric model specifications and input parameters, 2) electroweak scale supersymmetric mass and coupling spectra, and 3) decay tables is defined, to provide a universal interface between spectrum calculation programs, decay packages, and high energy physics event generators. Read More

In the context of the Minimal Supersymmetric extension of the Standard Model, we study the production of Higgs bosons at the Large Hadron Collider via cascade decays of scalar quarks and gluinos. We focus on the cascades involving heavier charginos and neutralinos, which decay into the neutral $h,A,H$ and charged $H^\pm$ bosons and lighter charginos and neutralinos, but we will also discuss direct decays of third--generation squarks into their lighter partners and Higgs bosons as well as top quark decays into $H^\pm$ bosons. We show that the production rates of relatively light Higgs bosons, $M_\Phi \lsim 250$ GeV, via these mechanisms can be rather large in some areas of the parameter space. Read More

We perform for the Large Hadron Collider (LHC) a detailed study of charged Higgs boson production via the top-bottom quark associated mode followed by decays into a chargino and a neutralino, with masses and couplings as given by the general Minimal Supersymmetric Standard Model (MSSM). We focus our attention on the region of parameter space where the charged Higgs is heavier than the top quark, with intermediate values of tan beta. In this region, the identification of charged Higgs bosons via decays into Standard Model (SM) particles has proven to be ineffective. Read More

The ``Snowmass Points and Slopes'' (SPS) are a set of benchmark points and parameter lines in the MSSM parameter space corresponding to different scenarios in the search for Supersymmetry at present and future experiments. This set of benchmarks was agreed upon at the 2001 ``Snowmass Workshop on the Future of Particle Physics'' as a consensus based on different existing proposals. Read More

We discuss the possibilities to observe the decays of heavy SUSY Higgs bosons into supersymmetric particles at the LHC. Such an observation would be of interest either in a discovery search if sparticle modes are the dominant ones, or in a study of additional decay modes, bringing information on the SUSY scenario potentially at work. We will focus on the most promising channel where the heavy neutral Higgses decay into a pair of next-to-lightest neutralinos, followed by their decay into two leptons and the LSP, thus leading to four isolated leptons + missing E_T as the main final state signature. Read More

This work summarises the present understanding of the expected MSSM SUSY Higgs reach for CMS. Many of the studies presented here result from detailed detector simulations incorporating final CMS detector design and response. With 30 fb-1 the h -> gamma,gamma and h -> bb channels allow to cover most of the MSSM parameter space. Read More

The possibility is discussed to observe the sparticle decay modes of the heavy MSSM Higgs bosons at the Large Hadron Collider. We focus on the heavy neutral Higgses, and argue that their decay into neutralinos may access an interesting region in the MSSM parameter space up to masses around 450 GeV for low and intermediate values of tan beta. If neutralinos and sleptons are light enough, this channel - leading to a four lepton final state topology - can complement the reach of the SM channels. Read More