C. Grojean - CERN

C. Grojean
Are you C. Grojean?

Claim your profile, edit publications, add additional information:

Contact Details

Name
C. Grojean
Affiliation
CERN
Location

Pubs By Year

Pub Categories

 
High Energy Physics - Phenomenology (49)
 
High Energy Physics - Experiment (28)
 
Physics - Accelerator Physics (3)
 
High Energy Physics - Theory (2)
 
Physics - Instrumentation and Detectors (1)
 
Cosmology and Nongalactic Astrophysics (1)

Publications Authored By C. Grojean

This paper addresses the question of whether the International Linear Collider has the capability of discovering new particles that have not already been discovered at the CERN Large Hadron Collider. We summarize the various paths to discovery offered by the ILC, and discuss them in the context of three different scenarios: 1. LHC does not discover any new particles, 2. Read More

2016Oct
Authors: D. de Florian1, C. Grojean2, F. Maltoni3, C. Mariotti4, A. Nikitenko5, M. Pieri6, P. Savard7, M. Schumacher8, R. Tanaka9, R. Aggleton10, M. Ahmad11, B. Allanach12, C. Anastasiou13, W. Astill14, S. Badger15, M. Badziak16, J. Baglio17, E. Bagnaschi18, A. Ballestrero19, A. Banfi20, D. Barducci21, M. Beckingham22, C. Becot23, G. Bélanger24, J. Bellm25, N. Belyaev26, F. U. Bernlochner27, C. Beskidt28, A. Biekötter29, F. Bishara30, W. Bizon31, N. E. Bomark32, M. Bonvini33, S. Borowka34, V. Bortolotto35, S. Boselli36, F. J. Botella37, R. Boughezal38, G. C. Branco39, J. Brehmer40, L. Brenner41, S. Bressler42, I. Brivio43, A. Broggio44, H. Brun45, G. Buchalla46, C. D. Burgard47, A. Calandri48, L. Caminada49, R. Caminal Armadans50, F. Campanario51, J. Campbell52, F. Caola53, C. M. Carloni Calame54, S. Carrazza55, A. Carvalho56, M. Casolino57, O. Cata58, A. Celis59, F. Cerutti60, N. Chanon61, M. Chen62, X. Chen63, B. Chokoufé Nejad64, N. Christensen65, M. Ciuchini66, R. Contino67, T. Corbett68, D. Curtin69, M. Dall'Osso70, A. David71, S. Dawson72, J. de Blas73, W. de Boer74, P. de Castro Manzano75, C. Degrande76, R. L. Delgado77, F. Demartin78, A. Denner79, B. Di Micco80, R. Di Nardo81, S. Dittmaier82, A. Dobado83, T. Dorigo84, F. A. Dreyer85, M. Dührssen86, C. Duhr87, F. Dulat88, K. Ecker89, K. Ellis90, U. Ellwanger91, C. Englert92, D. Espriu93, A. Falkowski94, L. Fayard95, R. Feger96, G. Ferrera97, A. Ferroglia98, N. Fidanza99, T. Figy100, M. Flechl101, D. Fontes102, S. Forte103, P. Francavilla104, E. Franco105, R. Frederix106, A. Freitas107, F. F. Freitas108, F. Frensch109, S. Frixione110, B. Fuks111, E. Furlan112, S. Gadatsch113, J. Gao114, Y. Gao115, M. V. Garzelli116, T. Gehrmann117, R. Gerosa118, M. Ghezzi119, D. Ghosh120, S. Gieseke121, D. Gillberg122, G. F. Giudice123, E. W. N. Glover124, F. Goertz125, D. Gonçalves126, J. Gonzalez-Fraile127, M. Gorbahn128, S. Gori129, C. A. Gottardo130, M. Gouzevitch131, P. Govoni132, D. Gray133, M. Grazzini134, N. Greiner135, A. Greljo136, J. Grigo137, A. V. Gritsan138, R. Gröber139, S. Guindon140, H. E. Haber141, C. Han142, T. Han143, R. Harlander144, M. A. Harrendorf145, H. B. Hartanto146, C. Hays147, S. Heinemeyer148, G. Heinrich149, M. Herrero150, F. Herzog151, B. Hespel152, V. Hirschi153, S. Hoeche154, S. Honeywell155, S. J. Huber156, C. Hugonie157, J. Huston158, A. Ilnicka159, G. Isidori160, B. Jäger161, M. Jaquier162, S. P. Jones163, A. Juste164, S. Kallweit165, A. Kaluza166, A. Kardos167, A. Karlberg168, Z. Kassabov169, N. Kauer170, D. I. Kazakov171, M. Kerner172, W. Kilian173, F. Kling174, K. Köneke175, R. Kogler176, R. Konoplich177, S. Kortner178, S. Kraml179, C. Krause180, F. Krauss181, M. Krawczyk182, A. Kulesza183, S. Kuttimalai184, R. Lane185, A. Lazopoulos186, G. Lee187, P. Lenzi188, I. M. Lewis189, Y. Li190, S. Liebler191, J. Lindert192, X. Liu193, Z. Liu194, F. J. Llanes-Estrada195, H. E. Logan196, D. Lopez-Val197, I. Low198, G. Luisoni199, P. Maierhöfer200, E. Maina201, B. Mansoulié202, H. Mantler203, M. Mantoani204, A. C. Marini205, V. I. Martinez Outschoorn206, S. Marzani207, D. Marzocca208, A. Massironi209, K. Mawatari210, J. Mazzitelli211, A. McCarn212, B. Mellado213, K. Melnikov214, S. B. Menari215, L. Merlo216, C. Meyer217, P. Milenovic218, K. Mimasu219, S. Mishima220, B. Mistlberger221, S. -O. Moch222, A. Mohammadi223, P. F. Monni224, G. Montagna225, M. Moreno Llácer226, N. Moretti227, S. Moretti228, L. Motyka229, A. Mück230, M. Mühlleitner231, S. Munir232, P. Musella233, P. Nadolsky234, D. Napoletano235, M. Nebot236, C. Neu237, M. Neubert238, R. Nevzorov239, O. Nicrosini240, J. Nielsen241, K. Nikolopoulos242, J. M. No243, C. O'Brien244, T. Ohl245, C. Oleari246, T. Orimoto247, D. Pagani248, C. E. Pandini249, A. Papaefstathiou250, A. S. Papanastasiou251, G. Passarino252, B. D. Pecjak253, M. Pelliccioni254, G. Perez255, L. Perrozzi256, F. Petriello257, G. Petrucciani258, E. Pianori259, F. Piccinini260, M. Pierini261, A. Pilkington262, S. Plätzer263, T. Plehn264, R. Podskubka265, C. T. Potter266, S. Pozzorini267, K. Prokofiev268, A. Pukhov269, I. Puljak270, M. Queitsch-Maitland271, J. Quevillon272, D. Rathlev273, M. Rauch274, E. Re275, M. N. Rebelo276, D. Rebuzzi277, L. Reina278, C. Reuschle279, J. Reuter280, M. Riembau281, F. Riva282, A. Rizzi283, T. Robens284, R. Röntsch285, J. Rojo286, J. C. Romão287, N. Rompotis288, J. Roskes289, R. Roth290, G. P. Salam291, R. Salerno292, R. Santos293, V. Sanz294, J. J. Sanz-Cillero295, H. Sargsyan296, U. Sarica297, P. Schichtel298, J. Schlenk299, T. Schmidt300, C. Schmitt301, M. Schönherr302, U. Schubert303, M. Schulze304, S. Sekula305, M. Sekulla306, E. Shabalina307, H. S. Shao308, J. Shelton309, C. H. Shepherd-Themistocleous310, S. Y. Shim311, F. Siegert312, A. Signer313, J. P. Silva314, L. Silvestrini315, M. Sjodahl316, P. Slavich317, M. Slawinska318, L. Soffi319, M. Spannowsky320, C. Speckner321, D. M. Sperka322, M. Spira323, O. Stål324, F. Staub325, T. Stebel326, T. Stefaniak327, M. Steinhauser328, I. W. Stewart329, M. J. Strassler330, J. Streicher331, D. M. Strom332, S. Su333, X. Sun334, F. J. Tackmann335, K. Tackmann336, A. M. Teixeira337, R. Teixeira de Lima338, V. Theeuwes339, R. Thorne340, D. Tommasini341, P. Torrielli342, M. Tosi343, F. Tramontano344, Z. Trócsányi345, M. Trott346, I. Tsinikos347, M. Ubiali348, P. Vanlaer349, W. Verkerke350, A. Vicini351, L. Viliani352, E. Vryonidou353, D. Wackeroth354, C. E. M. Wagner355, J. Wang356, S. Wayand357, G. Weiglein358, C. Weiss359, M. Wiesemann360, C. Williams361, J. Winter362, D. Winterbottom363, R. Wolf364, M. Xiao365, L. L. Yang366, R. Yohay367, S. P. Y. Yuen368, G. Zanderighi369, M. Zaro370, D. Zeppenfeld371, R. Ziegler372, T. Zirke373, J. Zupan374
Affiliations: 1eds., 2eds., 3eds., 4eds., 5eds., 6eds., 7eds., 8eds., 9eds., 10The LHC Higgs Cross Section Working Group, 11The LHC Higgs Cross Section Working Group, 12The LHC Higgs Cross Section Working Group, 13The LHC Higgs Cross Section Working Group, 14The LHC Higgs Cross Section Working Group, 15The LHC Higgs Cross Section Working Group, 16The LHC Higgs Cross Section Working Group, 17The LHC Higgs Cross Section Working Group, 18The LHC Higgs Cross Section Working Group, 19The LHC Higgs Cross Section Working Group, 20The LHC Higgs Cross Section Working Group, 21The LHC Higgs Cross Section Working Group, 22The LHC Higgs Cross Section Working Group, 23The LHC Higgs Cross Section Working Group, 24The LHC Higgs Cross Section Working Group, 25The LHC Higgs Cross Section Working Group, 26The LHC Higgs Cross Section Working Group, 27The LHC Higgs Cross Section Working Group, 28The LHC Higgs Cross Section Working Group, 29The LHC Higgs Cross Section Working Group, 30The LHC Higgs Cross Section Working Group, 31The LHC Higgs Cross Section Working Group, 32The LHC Higgs Cross Section Working Group, 33The LHC Higgs Cross Section Working Group, 34The LHC Higgs Cross Section Working Group, 35The LHC Higgs Cross Section Working Group, 36The LHC Higgs Cross Section Working Group, 37The LHC Higgs Cross Section Working Group, 38The LHC Higgs Cross Section Working Group, 39The LHC Higgs Cross Section Working Group, 40The LHC Higgs Cross Section Working Group, 41The LHC Higgs Cross Section Working Group, 42The LHC Higgs Cross Section Working Group, 43The LHC Higgs Cross Section Working Group, 44The LHC Higgs Cross Section Working Group, 45The LHC Higgs Cross Section Working Group, 46The LHC Higgs Cross Section Working Group, 47The LHC Higgs Cross Section Working Group, 48The LHC Higgs Cross Section Working Group, 49The LHC Higgs Cross Section Working Group, 50The LHC Higgs Cross Section Working Group, 51The LHC Higgs Cross Section Working Group, 52The LHC Higgs Cross Section Working Group, 53The LHC Higgs Cross Section Working Group, 54The LHC Higgs Cross Section Working Group, 55The LHC Higgs Cross Section Working Group, 56The LHC Higgs Cross Section Working Group, 57The LHC Higgs Cross Section Working Group, 58The LHC Higgs Cross Section Working Group, 59The LHC Higgs Cross Section Working Group, 60The LHC Higgs Cross Section Working Group, 61The LHC Higgs Cross Section Working Group, 62The LHC Higgs Cross Section Working Group, 63The LHC Higgs Cross Section Working Group, 64The LHC Higgs Cross Section Working Group, 65The LHC Higgs Cross Section Working Group, 66The LHC Higgs Cross Section Working Group, 67The LHC Higgs Cross Section Working Group, 68The LHC Higgs Cross Section Working Group, 69The LHC Higgs Cross Section Working Group, 70The LHC Higgs Cross Section Working Group, 71The LHC Higgs Cross Section Working Group, 72The LHC Higgs Cross Section Working Group, 73The LHC Higgs Cross Section Working Group, 74The LHC Higgs Cross Section Working Group, 75The LHC Higgs Cross Section Working Group, 76The LHC Higgs Cross Section Working Group, 77The LHC Higgs Cross Section Working Group, 78The LHC Higgs Cross Section Working Group, 79The LHC Higgs Cross Section Working Group, 80The LHC Higgs Cross Section Working Group, 81The LHC Higgs Cross Section Working Group, 82The LHC Higgs Cross Section Working Group, 83The LHC Higgs Cross Section Working Group, 84The LHC Higgs Cross Section Working Group, 85The LHC Higgs Cross Section Working Group, 86The LHC Higgs Cross Section Working Group, 87The LHC Higgs Cross Section Working Group, 88The LHC Higgs Cross Section Working Group, 89The LHC Higgs Cross Section Working Group, 90The LHC Higgs Cross Section Working Group, 91The LHC Higgs Cross Section Working Group, 92The LHC Higgs Cross Section Working Group, 93The LHC Higgs Cross Section Working Group, 94The LHC Higgs Cross Section Working Group, 95The LHC Higgs Cross Section Working Group, 96The LHC Higgs Cross Section Working Group, 97The LHC Higgs Cross Section Working Group, 98The LHC Higgs Cross Section Working Group, 99The LHC Higgs Cross Section Working Group, 100The LHC Higgs Cross Section Working Group, 101The LHC Higgs Cross Section Working Group, 102The LHC Higgs Cross Section Working Group, 103The LHC Higgs Cross Section Working Group, 104The LHC Higgs Cross Section Working Group, 105The LHC Higgs Cross Section Working Group, 106The LHC Higgs Cross Section Working Group, 107The LHC Higgs Cross Section Working Group, 108The LHC Higgs Cross Section Working Group, 109The LHC Higgs Cross Section Working Group, 110The LHC Higgs Cross Section Working Group, 111The LHC Higgs Cross Section Working Group, 112The LHC Higgs Cross Section Working Group, 113The LHC Higgs Cross Section Working Group, 114The LHC Higgs Cross Section Working Group, 115The LHC Higgs Cross Section Working Group, 116The LHC Higgs Cross Section Working Group, 117The LHC Higgs Cross Section Working Group, 118The LHC Higgs Cross Section Working Group, 119The LHC Higgs Cross Section Working Group, 120The LHC Higgs Cross Section Working Group, 121The LHC Higgs Cross Section Working Group, 122The LHC Higgs Cross Section Working Group, 123The LHC Higgs Cross Section Working Group, 124The LHC Higgs Cross Section Working Group, 125The LHC Higgs Cross Section Working Group, 126The LHC Higgs Cross Section Working Group, 127The LHC Higgs Cross Section Working Group, 128The LHC Higgs Cross Section Working Group, 129The LHC Higgs Cross Section Working Group, 130The LHC Higgs Cross Section Working Group, 131The LHC Higgs Cross Section Working Group, 132The LHC Higgs Cross Section Working Group, 133The LHC Higgs Cross Section Working Group, 134The LHC Higgs Cross Section Working Group, 135The LHC Higgs Cross Section Working Group, 136The LHC Higgs Cross Section Working Group, 137The LHC Higgs Cross Section Working Group, 138The LHC Higgs Cross Section Working Group, 139The LHC Higgs Cross Section Working Group, 140The LHC Higgs Cross Section Working Group, 141The LHC Higgs Cross Section Working Group, 142The LHC Higgs Cross Section Working Group, 143The LHC Higgs Cross Section Working Group, 144The LHC Higgs Cross Section Working Group, 145The LHC Higgs Cross Section Working Group, 146The LHC Higgs Cross Section Working Group, 147The LHC Higgs Cross Section Working Group, 148The LHC Higgs Cross Section Working Group, 149The LHC Higgs Cross Section Working Group, 150The LHC Higgs Cross Section Working Group, 151The LHC Higgs Cross Section Working Group, 152The LHC Higgs Cross Section Working Group, 153The LHC Higgs Cross Section Working Group, 154The LHC Higgs Cross Section Working Group, 155The LHC Higgs Cross Section Working Group, 156The LHC Higgs Cross Section Working Group, 157The LHC Higgs Cross Section Working Group, 158The LHC Higgs Cross Section Working Group, 159The LHC Higgs Cross Section Working Group, 160The LHC Higgs Cross Section Working Group, 161The LHC Higgs Cross Section Working Group, 162The LHC Higgs Cross Section Working Group, 163The LHC Higgs Cross Section Working Group, 164The LHC Higgs Cross Section Working Group, 165The LHC Higgs Cross Section Working Group, 166The LHC Higgs Cross Section Working Group, 167The LHC Higgs Cross Section Working Group, 168The LHC Higgs Cross Section Working Group, 169The LHC Higgs Cross Section Working Group, 170The LHC Higgs Cross Section Working Group, 171The LHC Higgs Cross Section Working Group, 172The LHC Higgs Cross Section Working Group, 173The LHC Higgs Cross Section Working Group, 174The LHC Higgs Cross Section Working Group, 175The LHC Higgs Cross Section Working Group, 176The LHC Higgs Cross Section Working Group, 177The LHC Higgs Cross Section Working Group, 178The LHC Higgs Cross Section Working Group, 179The LHC Higgs Cross Section Working Group, 180The LHC Higgs Cross Section Working Group, 181The LHC Higgs Cross Section Working Group, 182The LHC Higgs Cross Section Working Group, 183The LHC Higgs Cross Section Working Group, 184The LHC Higgs Cross Section Working Group, 185The LHC Higgs Cross Section Working Group, 186The LHC Higgs Cross Section Working Group, 187The LHC Higgs Cross Section Working Group, 188The LHC Higgs Cross Section Working Group, 189The LHC Higgs Cross Section Working Group, 190The LHC Higgs Cross Section Working Group, 191The LHC Higgs Cross Section Working Group, 192The LHC Higgs Cross Section Working Group, 193The LHC Higgs Cross Section Working Group, 194The LHC Higgs Cross Section Working Group, 195The LHC Higgs Cross Section Working Group, 196The LHC Higgs Cross Section Working Group, 197The LHC Higgs Cross Section Working Group, 198The LHC Higgs Cross Section Working Group, 199The LHC Higgs Cross Section Working Group, 200The LHC Higgs Cross Section Working Group, 201The LHC Higgs Cross Section Working Group, 202The LHC Higgs Cross Section Working Group, 203The LHC Higgs Cross Section Working Group, 204The LHC Higgs Cross Section Working Group, 205The LHC Higgs Cross Section Working Group, 206The LHC Higgs Cross Section Working Group, 207The LHC Higgs Cross Section Working Group, 208The LHC Higgs Cross Section Working Group, 209The LHC Higgs Cross Section Working Group, 210The LHC Higgs Cross Section Working Group, 211The LHC Higgs Cross Section Working Group, 212The LHC Higgs Cross Section Working Group, 213The LHC Higgs Cross Section Working Group, 214The LHC Higgs Cross Section Working Group, 215The LHC Higgs Cross Section Working Group, 216The LHC Higgs Cross Section Working Group, 217The LHC Higgs Cross Section Working Group, 218The LHC Higgs Cross Section Working Group, 219The LHC Higgs Cross Section Working Group, 220The LHC Higgs Cross Section Working Group, 221The LHC Higgs Cross Section Working Group, 222The LHC Higgs Cross Section Working Group, 223The LHC Higgs Cross Section Working Group, 224The LHC Higgs Cross Section Working Group, 225The LHC Higgs Cross Section Working Group, 226The LHC Higgs Cross Section Working Group, 227The LHC Higgs Cross Section Working Group, 228The LHC Higgs Cross Section Working Group, 229The LHC Higgs Cross Section Working Group, 230The LHC Higgs Cross Section Working Group, 231The LHC Higgs Cross Section Working Group, 232The LHC Higgs Cross Section Working Group, 233The LHC Higgs Cross Section Working Group, 234The LHC Higgs Cross Section Working Group, 235The LHC Higgs Cross Section Working Group, 236The LHC Higgs Cross Section Working Group, 237The LHC Higgs Cross Section Working Group, 238The LHC Higgs Cross Section Working Group, 239The LHC Higgs Cross Section Working Group, 240The LHC Higgs Cross Section Working Group, 241The LHC Higgs Cross Section Working Group, 242The LHC Higgs Cross Section Working Group, 243The LHC Higgs Cross Section Working Group, 244The LHC Higgs Cross Section Working Group, 245The LHC Higgs Cross Section Working Group, 246The LHC Higgs Cross Section Working Group, 247The LHC Higgs Cross Section Working Group, 248The LHC Higgs Cross Section Working Group, 249The LHC Higgs Cross Section Working Group, 250The LHC Higgs Cross Section Working Group, 251The LHC Higgs Cross Section Working Group, 252The LHC Higgs Cross Section Working Group, 253The LHC Higgs Cross Section Working Group, 254The LHC Higgs Cross Section Working Group, 255The LHC Higgs Cross Section Working Group, 256The LHC Higgs Cross Section Working Group, 257The LHC Higgs Cross Section Working Group, 258The LHC Higgs Cross Section Working Group, 259The LHC Higgs Cross Section Working Group, 260The LHC Higgs Cross Section Working Group, 261The LHC Higgs Cross Section Working Group, 262The LHC Higgs Cross Section Working Group, 263The LHC Higgs Cross Section Working Group, 264The LHC Higgs Cross Section Working Group, 265The LHC Higgs Cross Section Working Group, 266The LHC Higgs Cross Section Working Group, 267The LHC Higgs Cross Section Working Group, 268The LHC Higgs Cross Section Working Group, 269The LHC Higgs Cross Section Working Group, 270The LHC Higgs Cross Section Working Group, 271The LHC Higgs Cross Section Working Group, 272The LHC Higgs Cross Section Working Group, 273The LHC Higgs Cross Section Working Group, 274The LHC Higgs Cross Section Working Group, 275The LHC Higgs Cross Section Working Group, 276The LHC Higgs Cross Section Working Group, 277The LHC Higgs Cross Section Working Group, 278The LHC Higgs Cross Section Working Group, 279The LHC Higgs Cross Section Working Group, 280The LHC Higgs Cross Section Working Group, 281The LHC Higgs Cross Section Working Group, 282The LHC Higgs Cross Section Working Group, 283The LHC Higgs Cross Section Working Group, 284The LHC Higgs Cross Section Working Group, 285The LHC Higgs Cross Section Working Group, 286The LHC Higgs Cross Section Working Group, 287The LHC Higgs Cross Section Working Group, 288The LHC Higgs Cross Section Working Group, 289The LHC Higgs Cross Section Working Group, 290The LHC Higgs Cross Section Working Group, 291The LHC Higgs Cross Section Working Group, 292The LHC Higgs Cross Section Working Group, 293The LHC Higgs Cross Section Working Group, 294The LHC Higgs Cross Section Working Group, 295The LHC Higgs Cross Section Working Group, 296The LHC Higgs Cross Section Working Group, 297The LHC Higgs Cross Section Working Group, 298The LHC Higgs Cross Section Working Group, 299The LHC Higgs Cross Section Working Group, 300The LHC Higgs Cross Section Working Group, 301The LHC Higgs Cross Section Working Group, 302The LHC Higgs Cross Section Working Group, 303The LHC Higgs Cross Section Working Group, 304The LHC Higgs Cross Section Working Group, 305The LHC Higgs Cross Section Working Group, 306The LHC Higgs Cross Section Working Group, 307The LHC Higgs Cross Section Working Group, 308The LHC Higgs Cross Section Working Group, 309The LHC Higgs Cross Section Working Group, 310The LHC Higgs Cross Section Working Group, 311The LHC Higgs Cross Section Working Group, 312The LHC Higgs Cross Section Working Group, 313The LHC Higgs Cross Section Working Group, 314The LHC Higgs Cross Section Working Group, 315The LHC Higgs Cross Section Working Group, 316The LHC Higgs Cross Section Working Group, 317The LHC Higgs Cross Section Working Group, 318The LHC Higgs Cross Section Working Group, 319The LHC Higgs Cross Section Working Group, 320The LHC Higgs Cross Section Working Group, 321The LHC Higgs Cross Section Working Group, 322The LHC Higgs Cross Section Working Group, 323The LHC Higgs Cross Section Working Group, 324The LHC Higgs Cross Section Working Group, 325The LHC Higgs Cross Section Working Group, 326The LHC Higgs Cross Section Working Group, 327The LHC Higgs Cross Section Working Group, 328The LHC Higgs Cross Section Working Group, 329The LHC Higgs Cross Section Working Group, 330The LHC Higgs Cross Section Working Group, 331The LHC Higgs Cross Section Working Group, 332The LHC Higgs Cross Section Working Group, 333The LHC Higgs Cross Section Working Group, 334The LHC Higgs Cross Section Working Group, 335The LHC Higgs Cross Section Working Group, 336The LHC Higgs Cross Section Working Group, 337The LHC Higgs Cross Section Working Group, 338The LHC Higgs Cross Section Working Group, 339The LHC Higgs Cross Section Working Group, 340The LHC Higgs Cross Section Working Group, 341The LHC Higgs Cross Section Working Group, 342The LHC Higgs Cross Section Working Group, 343The LHC Higgs Cross Section Working Group, 344The LHC Higgs Cross Section Working Group, 345The LHC Higgs Cross Section Working Group, 346The LHC Higgs Cross Section Working Group, 347The LHC Higgs Cross Section Working Group, 348The LHC Higgs Cross Section Working Group, 349The LHC Higgs Cross Section Working Group, 350The LHC Higgs Cross Section Working Group, 351The LHC Higgs Cross Section Working Group, 352The LHC Higgs Cross Section Working Group, 353The LHC Higgs Cross Section Working Group, 354The LHC Higgs Cross Section Working Group, 355The LHC Higgs Cross Section Working Group, 356The LHC Higgs Cross Section Working Group, 357The LHC Higgs Cross Section Working Group, 358The LHC Higgs Cross Section Working Group, 359The LHC Higgs Cross Section Working Group, 360The LHC Higgs Cross Section Working Group, 361The LHC Higgs Cross Section Working Group, 362The LHC Higgs Cross Section Working Group, 363The LHC Higgs Cross Section Working Group, 364The LHC Higgs Cross Section Working Group, 365The LHC Higgs Cross Section Working Group, 366The LHC Higgs Cross Section Working Group, 367The LHC Higgs Cross Section Working Group, 368The LHC Higgs Cross Section Working Group, 369The LHC Higgs Cross Section Working Group, 370The LHC Higgs Cross Section Working Group, 371The LHC Higgs Cross Section Working Group, 372The LHC Higgs Cross Section Working Group, 373The LHC Higgs Cross Section Working Group, 374The LHC Higgs Cross Section Working Group

This Report summarizes the results of the activities of the LHC Higgs Cross Section Working Group in the period 2014-2016. The main goal of the working group was to present the state-of-the-art of Higgs physics at the LHC, integrating all new results that have appeared in the last few years. The first part compiles the most up-to-date predictions of Higgs boson production cross sections and decay branching ratios, parton distribution functions, and off-shell Higgs boson production and interference effects. Read More

Inclusive Higgs measurements at the LHC have limited resolution on the gluon fusion loops, being unable to distinguish the long-distance contributions mediated by the top quark from possible short-distance new physics effects. Using an Effective Field Theory (EFT) approach we compare several proposed methods to lift this degeneracy, including $t\bar{t}h$ and boosted, off-shell and double Higgs production, and perform detailed projections to the High-Luminosity LHC and a future hadron collider. In addition, we revisit off-shell Higgs production. Read More

2016Jul
Affiliations: 1LCC Physics Working Group, 2LCC Physics Working Group, 3LCC Physics Working Group, 4LCC Physics Working Group, 5LCC Physics Working Group, 6LCC Physics Working Group, 7LCC Physics Working Group, 8LCC Physics Working Group, 9LCC Physics Working Group, 10LCC Physics Working Group, 11LCC Physics Working Group, 12LCC Physics Working Group, 13LCC Physics Working Group, 14LCC Physics Working Group, 15LCC Physics Working Group, 16LCC Physics Working Group, 17LCC Physics Working Group, 18LCC Physics Working Group, 19LCC Physics Working Group, 20LCC Physics Working Group, 21LCC Physics Working Group, 22LCC Physics Working Group, 23LCC Physics Working Group, 24LCC Physics Working Group, 25LCC Physics Working Group

If the gamma-gamma resonance at 750 GeV suggested by 2015 LHC data turns out to be a real effect, what are the implications for the physics case and upgrade path of the International Linear Collider? Whether or not the resonance is confirmed, this question provides an interesting case study testing the robustness of the ILC physics case. In this note, we address this question with two points: (1) Almost all models proposed for the new 750 GeV particle require additional new particles with electroweak couplings. The key elements of the 500 GeV ILC physics program---precision measurements of the Higgs boson, the top quark, and 4-fermion interactions---will powerfully discriminate among these models. Read More

We discuss the conditions for an effective field theory (EFT) to give an adequate low-energy description of an underlying physics beyond the Standard Model (SM). Starting from the EFT where the SM is extended by dimension-6 operators, experimental data can be used without further assumptions to measure (or set limits on) the EFT parameters. The interpretation of these results requires instead a set of broad assumptions (e. Read More

The recently observed excess in diphoton events at around 750\,GeV can be satisfactorily described in terms of a new spin-0 real singlet with effective interactions to the gauge bosons. In this letter we first review the current constraints on this setup. We further explore the production in association with a gauge boson. Read More

We review strongly coupled and extra dimensional models of electroweak symmetry breaking. Models examined include warped extra dimensions, bulk Higgs, "little" Higgs, dilaton Higgs, composite Higgs, twin Higgs, quantum critical Higgs, and "fat" SUSY Higgs. We also discuss current bounds and future LHC searches for this class of models. Read More

Recently, a new mechanism to generate a naturally small electroweak scale has been proposed. It exploits the coupling of the Higgs to an axion-like field and a long era in the early universe where the axion unchains a dynamical screening of the Higgs mass. We present a new realization of this idea with the new feature that it leaves no signs of new physics up to a rather large scale, 10^9 GeV, except for two very light and weakly coupled axion-like states. Read More

We summarize the physics case for the International Linear Collider (ILC). We review the key motivations for the ILC presented in the literature, updating the projected measurement uncertainties for the ILC experiments in accord with the expected schedule of operation of the accelerator and the results of the most recent simulation studies. Read More

The European School of High-Energy Physics is intended to give young physicists an introduction to the theoretical aspects of recent advances in elementary particle physics. These proceedings contain lecture notes on the Standard Model of electroweak interactions, quantum chromodynamics, flavour physics, physics beyond the Standard Model, neutrino physics, and cosmology. Read More

2015Apr

This paper describes the physics case for a new fixed target facility at CERN SPS. The SHiP (Search for Hidden Particles) experiment is intended to hunt for new physics in the largely unexplored domain of very weakly interacting particles with masses below the Fermi scale, inaccessible to the LHC experiments, and to study tau neutrino physics. The same proton beam setup can be used later to look for decays of tau-leptons with lepton flavour number non-conservation, $\tau\to 3\mu$ and to search for weakly-interacting sub-GeV dark matter candidates. 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

We study the off-shell Higgs data in the process $pp\to h^{(*)} \to Z^{(\ast)}Z^{(\ast)}\to 4\ell$, to constrain deviations of the Higgs couplings. We point out that this channel can be used to resolve the long- and short-distance contributions to Higgs production by gluon fusion and can thus be complementary to $pp\to ht\bar t$ in measuring the top Yukawa coupling. Our analysis, performed in the context of Effective Field Theory, shows that current data do not allow one to draw any model-independent conclusions. 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 present eHDECAY, a modified version of the program HDECAY which includes the full list of leading bosonic operators of the Higgs effective Lagrangian with a linear or non-linear realization of the electroweak symmetry and implements two benchmark composite Higgs models. Read More

The Higgs production and decay rates offer a new way to probe new physics beyond the Standard Model. While dynamics aiming at alleviating the hierarchy problem generically predict deviations in the Higgs rates, the current experimental analyses cannot resolve the long- and short-distance contributions to the gluon fusion process and thus cannot access directly the coupling between the Higgs and the top quark. We investigate the production of a boosted Higgs in association with a high-transverse momentum jet as an alternative to the $t\bar{t}h$ channel to pin down this crucial coupling. Read More

We study deformations of the SM via higher dimensional operators. In particular, we explicitly calculate the one-loop anomalous dimension matrix for 13 bosonic dimension-6 operators relevant for electroweak and Higgs physics. These scaling equations allow us to derive RG-induced bounds, stronger than the direct constraints, on a universal shift of the Higgs couplings and some anomalous triple gauge couplings by assuming no tuning at the scale of new physics, i. Read More

2013Oct

This report summarizes the work of the Energy Frontier Higgs Boson working group of the 2013 Community Summer Study (Snowmass). We identify the key elements of a precision Higgs physics program and document the physics potential of future experimental facilities as elucidated during the Snowmass study. We study Higgs couplings to gauge boson and fermion pairs, double Higgs production for the Higgs self-coupling, its quantum numbers and $CP$-mixing in Higgs couplings, the Higgs mass and total width, and prospects for direct searches for additional Higgs bosons in extensions of the Standard Model. Read More

We study the impact of Higgs precision measurements at a high-energy and high-luminosity linear electron positron collider, such as CLIC or the ILC, on the parameter space of a strongly interacting Higgs boson. Some combination of anomalous couplings are already tightly constrained by current fits to electroweak observables. However, even small deviations in the cross sections of single and double Higgs production, or the mere detection of a triple Higgs final state, can help establish whether it is a composite state and whether or not it emerges as a pseudo-Nambu-Goldstone boson from an underlying broken symmetry. 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

2013Jul
Authors: Halina Abramowicz, Angel Abusleme, Konstatin Afanaciev, Gideon Alexander, Niloufar Alipour Tehrani, Oscar Alonso, Kristoffer K. Andersen, Samir Arfaoui, Csaba Balazs, Tim Barklow, Marco Battaglia, Mathieu Benoit, Burak Bilki, Jean-Jacques Blaising, Mark Boland, Marça Boronat, Ivanka Božović Jelisavčić, Philip Burrows, Maximilien Chefdeville, Roberto Contino, Dominik Dannheim, Marcel Demarteau, Marco Aurelio Diaz Gutierrez, Angel Diéguez, Jorge Duarte Campderros, Gerald Eigen, Konrad Elsener, Dan Feldman, Uli Felzmann, Mirosław Firlej, Elena Firu, Tomasz Fiutowski, Kurt Francis, Frank Gaede, Ignacio García García, Veta Ghenescu, Gian Giudice, Norman Graf, Christian Grefe, Christophe Grojean, Rick S. Gupta, Michael Hauschild, Helga Holmestad, Marek Idzik, Christian Joram, Sergey Kananov, Yannis Karyotakis, Martin Killenberg, Wolfgang Klempt, Sabine Kraml, Beata Krupa, Szymon Kulis, Tomáš Laštovička, Greg LeBlanc, Aharon Levy, Itamar Levy, Lucie Linssen, Angela Lucaci Timoce, Strahinja Lukić, Vladimir Makarenko, John Marshall, Victoria Martin, Rune E. Mikkelsen, Gordana Milutinović-Dumbelović, Akiya Miyamoto, Klaus Mönig, Gudrid Moortgat-Pick, Jakub Moroń, Astrid Münnich, Alina Neagu, Mila Pandurović, Duccio Pappadopulo, Bogdan Pawlik, Werner Porod, Stéphane Poss, Titi Preda, Roger Rassool, Ricardo Rattazzi, Sophie Redford, Jose Repond, Sabine Riemann, Aidan Robson, Philipp Roloff, Eduardo Ros, Jonatan Rosten, Alberto Ruiz-Jimeno, Heidi Rzehak, André Sailer, Dieter Schlatter, Daniel Schulte, Felix Sefkow, Katja Seidel, Nikolai Shumeiko, Eva Sicking, Frank Simon, Jacob Smith, Christian Soldner, Steinar Stapnes, Jan Strube, Taikan Suehara, Krzysztof Świentek, Marco Szalay, Tomohiko Tanabe, Michal Tesař, Andrea Thamm, Mark Thomson, Juan Trenado Garcia, Ulrik I. Uggerhøj, Erik van der Kraaij, Iván Vila, Eva Vilella, Miguel Angel Villarejo, Marcelo Alonso Vogel Gonzalez, Marcel Vos, Nigel Watson, Harry Weerts, James D. Wells, Lars Weuste, Tobias N. Wistisen, Kent Wootton, Lei Xia, Leszek Zawiejski, Ion-Sorin Zgura

This paper summarizes the physics potential of the CLIC high-energy e+e- linear collider. It provides input to the Snowmass 2013 process for the energy-frontier working groups on The Higgs Boson (HE1), Precision Study of Electroweak Interactions (HE2), Fully Understanding the Top Quark (HE3), as well as The Path Beyond the Standard Model -- New Particles, Forces, and Dimensions (HE4). It is accompanied by a paper describing the CLIC accelerator study, submitted to the Frontier Capabilities group of the Snowmass process. Read More

2013Jul
Authors: The LHC Higgs Cross Section Working Group, S. Heinemeyer1, C. Mariotti2, G. Passarino3, R. Tanaka4, J. R. Andersen, P. Artoisenet, E. A. Bagnaschi, A. Banfi, T. Becher, F. U. Bernlochner, S. Bolognesi, P. Bolzoni, R. Boughezal, D. Buarque, J. Campbell, F. Caola, M. Carena, F. Cascioli, N. Chanon, T. Cheng, S. Y. Choi, A. David, P. de Aquino, G. Degrassi, D. Del Re, A. Denner, H. van Deurzen, S. Diglio, B. Di Micco, R. Di Nardo, S. Dittmaier, M. Duhrssen, R. K. Ellis, G. Ferrera, N. Fidanza, M. Flechl, D. de Florian, S. Forte, R. Frederix, S. Frixione, S. Gangal, Y. Gao, M. V. Garzelli, D. Gillberg, P. Govoni, M. Grazzini, N. Greiner, J. Griffiths, A . V. Gritsan, C. Grojean, D. C. Hall, C. Hays, R. Harlander, R. Hernandez-Pinto, S. Hoche, J. Huston, T. Jubb, M. Kadastik, S. Kallweit, A. Kardos, L. Kashif, N. Kauer, H. Kim, R. Klees, M. Kramer, F. Krauss, A. Laureys, S. Laurila, S. Lehti, Q. Li, S. Liebler, X. Liu, H. E. Logan, G. Luisoni, M. Malberti, F. Maltoni, K. Mawatari, F. Maierhofer, H. Mantler, S. Martin, P. Mastrolia, O. Mattelaer, J. Mazzitelli, B. Mellado, K. Melnikov, P. Meridiani, D. J. Miller, E. Mirabella, S. O. Moch, P. Monni, N. Moretti, A. Muck, M. Muhlleitner, P. Musella, P. Nason, C. Neu, M. Neubert, C. Oleari, J. Olsen, G. Ossola, T. Peraro, K. Peters, F. Petriello, G. Piacquadio, C. T. Potter, S. Pozzorini, K. Prokofiev, I. Puljak, M. Rauch, D. Rebuzzi, L. Reina, R. Rietkerk, A. Rizzi, Y. Rotstein-Habarnau, G. P. Salam, G. Sborlini, F. Schissler, M. Schonherr, M. Schulze, M. Schumacher, F. Siegert, P. Slavich, J. M. Smillie, O. Stal, J. F. von Soden-Fraunhofen, M. Spira, I. W. Stewart, F. J. Tackmann, P. T. E. Taylor, D. Tommasini, J. Thompson, R. S. Thorne, P. Torrielli, F. Tramontano, N. V. Tran, Z. Trocsanyi, M. Ubiali, P. Vanlaer, M. Vazquez Acosta, T. Vickey, A. Vicini, W. J. Waalewijn, D. Wackeroth, C. Wagner, J. R. Walsh, J. Wang, G. Weiglein, A. Whitbeck, C. Williams, J. Yu, G. Zanderighi, M. Zanetti, M. Zaro, P. M. Zerwas, C. Zhang, T. J . E. Zirke, S. Zuberi
Affiliations: 1eds., 2eds., 3eds., 4eds.

This Report summarizes the results of the activities in 2012 and the first half of 2013 of the LHC Higgs Cross Section Working Group. The main goal of the working group was to present the state of the art of Higgs Physics at the LHC, integrating all new results that have appeared in the last few years. This report follows the first working group report Handbook of LHC Higgs Cross Sections: 1. Read More

We analyze the corrections to the precision EW observables in minimal composite Higgs models by using a general effective parametrization which also includes the lightest fermionic resonances. A new, possibly large, logarithmically divergent contribution to S is identified, which comes purely from the strong dynamics. It can be interpreted as a running of S induced by the non-renormalizable Higgs interactions due to the non-linear sigma-model structure. Read More

We point out that Higgs rates into gauge bosons can be significantly modified in composite pseudo Nambu--Goldstone boson (pNGB) Higgs models if quarks belonging to the first two generation are relatively composite objects as well. Although the lightness of the latter a priori screen them from the electroweak symmetry breaking sector, we show, in an effective two-site description, that their partners can lead to order one shifts in radiative Higgs couplings to gluons and photons. Moreover, due to the pseudo-Goldstone nature of the Higgs boson, the size of these corrections is completely controlled by the degree of compositeness of the individual light quarks. Read More

We reconsider the effective Lagrangian that describes a light Higgs-like boson and better clarify a few issues which were not exhaustively addressed in the previous literature. In particular we highlight the strategy to determine whether the dynamics responsible for the electroweak symmetry breaking is weakly or strongly interacting. We also discuss how the effective Lagrangian can be implemented into automatic tools for the calculation of Higgs decay rates and production cross sections. Read More

We compute the renormalization of dimension six Higgs-gauge boson operators that can modify \Gamma(h -> \gamma \gamma) at tree-level. Operator mixing is shown to lead to an important modification of new physics effects which has been neglected in past calculations. We also find that the usual formula for the S oblique parameter contribution of these Higgs-gauge boson operators needs additional terms to be consistent with renormalization group evolution. Read More

Current Higgs data show an ambiguity in the value of the Yukawa couplings to quarks and leptons. Not so much because of still large uncertainties in the measurements but as the result of several almost degenerate minima in the coupling profile likelihood function. To break these degeneracies, it is important to identify and measure processes where the Higgs coupling to fermions interferes with other coupling(s). Read More

This is a written account of the computer tutorial offered at the Sixth MC4BSM workshop at Cornell University, March 22-24, 2012. The tools covered during the tutorial include: FeynRules, LanHEP, MadGraph, CalcHEP, Pythia 8, Herwig++, and Sherpa. In the tutorial, we specify a simple extension of the Standard Model, at the level of a Lagrangian. Read More

This document presents an interim framework in which the coupling structure of a Higgs-like particle can be studied. After discussing different options and approximations, recommendations on specific benchmark parametrizations to be used to fit the data are given. Read More

We present a class of warped extra dimension (composite Higgs) models which conjointly accommodates the t\bar t forward-backward asymmetry observed at the Tevatron and the direct CP asymmetry in singly Cabibbo suppressed D decays first reported by the LHCb collaboration. We argue that both asymmetries, if arising dominantly from new physics beyond the Standard Model, hint for a flavor paradigm within partial compositeness models in which the right-handed quarks of the first two generations are not elementary fields but rather composite objects. We show that this class of models is consistent with current data on flavor and CP violating physics, electroweak precision observables, dijet and top pair resonance searches at hadron colliders. Read More

2012Aug
Affiliations: 1U. Geneva, Switzerland, 2Geneva, Switzerland, 3CERN, Geneva, Switzerland, 4CERN, Geneva, Switzerland, 5CERN, Geneva, Switzerland, 6CERN, Geneva, Switzerland, 7CERN, Geneva, Switzerland, 8CERN, Geneva, Switzerland, 9CERN, Geneva, Switzerland, 10CERN, Geneva, Switzerland, 11CERN, Geneva, Switzerland, 12FNAL, U.S.A., 13KEK Japan, 14KEK Japan, 15King's College London and CERN, Geneva, Switzerland, 16MIT, Cambridge, Massachusetts, USA, 17MIT, Cambridge, Massachusetts, USA, 18Northwestern U., U.S.A., 19Budker INP, Novosibirsk, Russia, 20PSI, Villigen, Switzerland, 21SLAC National Accelerator Laboratory, Stanford, U.S.A

A strong candidate for the Standard Model Scalar boson, H(126), has been discovered by the Large Hadron Collider (LHC) experiments. In order to study this fundamental particle with unprecedented precision, and to perform precision tests of the closure of the Standard Model, we investigate the possibilities offered by An e+e- storage ring collider. We use a design inspired by the B-factories, taking into account the performance achieved at LEP2, and imposing a synchrotron radiation power limit of 100 MW. Read More

We perform a global fit to Higgs signal-strength data in the context of light stops in Natural SUSY. In this case, the Wilson coefficients of the higher dimensional operators mediating g g -> h and h -> \gamma \gamma, given by c_g, c_\gamma, are related by c_g = 3 (1 + 3 \alpha_s/(2 \pi)) c_\gamma/8. We examine this predictive scenario in detail, combining Higgs signal-strength constraints with recent precision measurements of m_W, b-> s \gamma constraints and direct collider bounds on weak scale SUSY, finding regions of parameter space that are consistent with all of these constraints. Read More

The 8 TeV LHC Higgs search data just released indicates the existence of a scalar resonance with mass ~ 125 GeV. We examine the implications of the data reported by ATLAS, CMS and the Tevatron collaborations on understanding the properties of this scalar by performing joint fits on its couplings to other Standard Model particles. We discuss and characterize to what degree this resonance has the properties of the Standard Model (SM) Higgs, and consider what implications can be extracted for New Physics in a (mostly) model-independent fashion. Read More

The Higgs low-energy theorem gives a simple and elegant way to estimate the couplings of the Higgs boson to massless gluons and photons induced by loops of heavy particles. We extend this theorem to take into account possible nonlinear Higgs interactions resulting from a strong dynamics at the origin of the breaking of the electroweak symmetry. We show that, while it approximates with an accuracy of order a few percents single Higgs production, it receives corrections of order 50% for double Higgs production. Read More

We demonstrate by performing a global fit on Higgs signal strength data that large invisible branching ratios Br_{inv} for a Standard Model (SM) Higgs particle are currently consistent with the experimental hints of a scalar resonance at the mass scale m_h ~ 124 GeV. For this mass scale, we find Br_{inv} < 0.64 (95 % CL) from a global fit to individual channel signal strengths supplied by ATLAS, CMS and the Tevatron collaborations. Read More

Effective interactions involving both the top quark and the Higgs field are among the least constrained of all possible (gauge invariant) dimension-six operators in the Standard Model. Such a handful of operators, in particular the top quark chromomagnetic dipole moment, might encapsulate signs of the new physics responsible for electroweak symmetry breaking. In this work, we compute the contributions of these operators to inclusive Higgs and t tbar h production. Read More

Electroweak precision measurements established that custodial symmetry is preserved to a good accuracy in the gauge sector after electroweak symmetry breaking. However, recent LHC results might be interpreted as pointing towards Higgs couplings that do not respect such symmetry. Motivated by this possibility, we reconsider the presence of an explicitly custodial breaking coupling in a generic Higgs parameterization. Read More

We outline a method for characterizing deviations from the properties of a Standard Model (SM) Higgs boson. We apply it to current data in order to characterize up to which degree the SM Higgs boson interpretation is consistent with experiment. We find that the SM Higgs boson is consistent with the current data set at the 82 % confidence level, based on data of excess events reported by CMS and ATLAS, which are interpreted to be related to the mass scale mh = 124-126 GeV, and on published CL_s exclusion regions. Read More

The European School of High-Energy Physics is intended to give young physicists an introduction to the theoretical aspects of recent advances in elementary particle physics. These proceedings contain lecture notes on the Standard Model of electroweak interactions, quantum chromodynamics, heavy ion physics, physics beyond the Standard Model, neutrino physics, and cosmology. Read More

The LHC has been built to understand the dynamics at the origin of the breaking of the electroweak symmetry. Weakly coupled models with a fundamental Higgs boson have focused most of the attention of the experimental searches. We will discuss here how to reinterpret these searches in the context of strongly coupled models where the Higgs boson emerges as a composite particle. Read More

It has been recently proposed by Dvali et al that high energy scattering in non-renormalizable theories, like the higgsless Standard Model, can be unitarized by the formation of classical configurations called classicalons. In this work we argue that classicalons should have analogs of thermodynamic properties like temperature and entropy and perform a model-independent statistical mechanical analysis of classicalon decays. We find that, in the case of massless quanta, the decay products have a Planck distribution with an effective temperature T~1/r_* where r_* is the classicalon radius. Read More

In the absence of a Higgs boson, the perturbative description of the Standard Model ceases to make sense above a TeV. Heavy spin-1 fields coupled to W and Z bosons can extend the validity of the theory up to higher scales. We carefully identify regions of parameter space where a minimal addition - a single spin-1 custodial SU(2) triplet resonance - allows one to retain perturbative control in all channels. Read More

As a minimal theory of fermion masses we extend the SM by heavy vectorlike fermions, with flavor-anarchical Yukawa couplings, that mix with chiral fermions such that small SM Yukawa couplings arise from small mixing angles. This model can be regarded as an effective description of the fermionic sector of a large class of existing flavor models and thus might serve as a useful reference frame for a further understanding of flavor hierarchies in the SM. Already such a minimal framework gives rise to FCNC effects through exchange of massive SM bosons whose couplings to the light fermions get modified by the mixing. Read More

We study the phenomenology of same sign top pair production at the LHC in a model-independent way. The complete set of dimension six operators involving two top (or anti-top) quarks is introduced and the connection with all possible t- or s-channel particle exchanges is established. Only in the former case, same and opposite sign top pair production can be related. Read More

We study, within an effective approach, the phenomenology of a charged W' vector which transforms as an isosinglet under the Standard Model gauge group. We discuss bounds from present data, finding that these are quite weak for suitable choices of the right-handed quark mixing matrix. Then we study the resonant production at the early LHC of such a weakly constrained W'. Read More

The European School of High-Energy Physics is intended to give young physicists an introduction to the theoretical aspects of recent advances in elementary particle physics. These proceedings contain lecture notes on quantum field theory, quantum chromodynamics, physics beyond the Standard Model, flavour physics, effective field theory, cosmology, as well as statistical data analysis. Read More

We use top quark pair production as a probe of top-philic non-resonant new physics. Following a low energy effective field theory approach, we calculate several key observables in top quark pair production at hadron colliders (e.g. Read More

The CERN-Latin-American School of High-Energy Physics is intended to give young physicists an introduction to the theoretical aspects of recent advances in elementary particle physics. These proceedings contain lectures on quantum field theory, quantum chromodynamics, physics beyond the Standard Model, neutrino physics, flavour physics and CP violation, particle cosmology, high-energy astro-particle physics, and heavy-ion physics, as well as trigger and data acquisition, and commissioning and early physics analysis of the ATLAS and CMS experiments. Also included are write-ups of short review projects performed by the student discussions groups. Read More

The Higgs boson production cross-sections and decay rates depend, within the Standard Model (SM), on a single unknown parameter, the Higgs mass. In composite Higgs models where the Higgs boson emerges as a pseudo-Goldstone boson from a strongly-interacting sector, additional parameters control the Higgs properties which then deviate from the SM ones. These deviations modify the LEP and Tevatron exclusion bounds and significantly affect the searches for the Higgs boson at the LHC. Read More