Photoproduction of two pions and omega  mesons at GRAAL

Assafiri, Y.; Bartalini, O.; Bellini, Vincenzo; Bocquet, J. P.; Capogni, M.; Castoldi, M.; D'Angelo, A.; Didelez, J. P.; Di Salvo, R.; Fichen, L.; Gervino, G.; Ghio, F.; Girolami, B.; Guidal, M.; Hourany, E.; Kuznetsov, V.; Kunne, R.; Lapik, A.; Levi Sandri, P.; Lleres, A.; Moricciani, D.; Nedorezov, V.; Nicoletti, L.; Rebreyend, D.; Rudnev, N.; Schaerf, C.; Sperduto, M. L.; Sutera, M. C.; Turinge, A.; Zhao, Q.; Zucchiatti, A.

doi:10.1063/1.1469951

The photoproduction of 2 pions and omega mesons at GRAAL experiment is presented. The beam asymmetry observable together with the cross sections are studied. Preliminary data are obtained and their comparison with theoretical predictions is discussed.

Photoproduction of two pions and omega mesons at GRAAL

Y. ASSAFIRI;O. BARTALINI;BELLINI, Vincenzo;J. P. BOCQUET;M. CAPOGNI;M. CASTOLDI;A. D'ANGELO;J. P. DIDELEZ;R. DI SALVO;L. FICHEN;G. GERVINO;F. GHIO;B. GIROLAMI;M. GUIDAL;E. HOURANY;V. KUZNETSOV;R. KUNNE;A. LAPIK;P. LEVI SANDRI;A. LLERES;D. MORICCIANI;V. NEDOREZOV;L. NICOLETTI;D. REBREYEND;N. RUDNEV;C. SCHAERF;M. L. SPERDUTO;M. C. SUTERA;A. TURINGE;Q. ZHAO;A. ZUCCHIATTI

2002-01-01

Abstract

The photoproduction of 2 pions and omega mesons at GRAAL experiment is presented. The beam asymmetry observable together with the cross sections are studied. Preliminary data are obtained and their comparison with theoretical predictions is discussed.