V. V. Polyanski - LPI, Moscow; LPSC, Grenoble; INR, Moscow

V. V. Polyanski
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Contact Details

Name
V. V. Polyanski
Affiliation
LPI, Moscow; LPSC, Grenoble; INR, Moscow
City
Moscow
Country
Russia

Pubs By Year

Pub Categories

 
Nuclear Experiment (5)
 
High Energy Physics - Experiment (4)
 
Nuclear Theory (2)
 
High Energy Physics - Phenomenology (1)

Publications Authored By V. V. Polyanski

The reactions $\gamma p\to \eta p$ and $\gamma p\to \eta' p$ have been measured from their thresholds up to the center-of-mass energy $W=1.96$GeV with the tagged-photon facilities at the Mainz Microtron, MAMI. Differential cross sections were obtained with unprecedented accuracy, providing fine energy binning and full production-angle coverage. Read More

Differential cross sections for the gamma p -> pi^0 p reaction have been measured with the A2 tagged-photon facilities at the Mainz Microtron, MAMI C, up to the center-of-mass energy W=1.9 GeV. The new results, obtained with a fine energy and angular binning, increase the existing quantity of pi^0 photoproduction data by ~47%. Read More

The first data on target and beam-target asymmetries for the $\gamma p\to\pi^0\eta p$ reaction at photon energies from 1050 up to 1450 MeV are presented. The measurements were performed using the Crystal Ball and TAPS detector setup at the Glasgow tagged photon facility of the Mainz Microtron MAMI. The general assumption that the reaction is dominated by the $\Delta 3/2^-$ amplitude is confirmed. Read More

We present new data for the transverse target asymmetry T and the very first data for the beam-target asymmetry F in the $\vec \gamma \vec p\to\eta p$ reaction up to a center-of-mass energy of W=1.9 GeV. The data were obtained with the Crystal-Ball/TAPS detector setup at the Glasgow tagged photon facility of the Mainz Microtron MAMI. Read More

2003Jun
Affiliations: 1LPI, Moscow; LPSC, Grenoble; INR, Moscow, 2LPI, Moscow; LPSC, Grenoble; INR, Moscow, 3LPI, Moscow; LPSC, Grenoble; INR, Moscow, 4LPI, Moscow; LPSC, Grenoble; INR, Moscow, 5LPI, Moscow; LPSC, Grenoble; INR, Moscow, 6LPI, Moscow; LPSC, Grenoble; INR, Moscow, 7LPI, Moscow; LPSC, Grenoble; INR, Moscow, 8LPI, Moscow; LPSC, Grenoble; INR, Moscow, 9LPI, Moscow; LPSC, Grenoble; INR, Moscow

A new experiment is proposed with the aim to study eta-mesic nuclei and low-energy interactions of eta with nuclei. Two decay modes of eta produced by a photon beam inside a nucleus will be observed, namely a collisional decay \eta N \to \pi N inside the nucleus and the radiative decay \eta \to \gamma \gamma outside. In addition, a collisional decay of stopped S_{11}(1535) resonance inside the nucleus, S_{11}(1535) N \to N N, will be studied. Read More