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| Title: | THE GRAAL COLLABORATION: RESULTS AND PROSPECTS | |
| DOI No: | 10.1142/9789812773333_0018 | |
| Source: | NSTAR 2005 (pp 176-184) | |
| Author(s): | CARLO SCHAERF
Università di Roma "Tor Vergata" and INFN - Sezione di Roma Tor Vergata, I-00133 Roma, Italy FOR THE GRAAL COLLABORATION: O. Bartalini, V. Bellini, J.P Bocquet, M. Castoldi, A. D'Angelo, J-P. Didelez, R. Di Salvo, A. Fantini, D. Franco, G. Gervino, F. Ghio, B. Girolami, A. Giusa, M. Guidal, E. Hourany, V. Kouznetsov, R. Kunne, A. Lapik, P. Levi Sandri, A. Lleres, D. Moricciani, A. Mushkarenkov, V. Nedorezov, L. Nicoletti, C. Randieri, D. Rebreyend, N.V. Rudnev, G. Russo, C. Schaerf, M.L. Sperduto, M.C. Sutera, A. Turinge |
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| Abstract: | We present preliminary results obtained by the GRAAL collaboration in the photoproduction of π0 and η on the proton and the neutron in Hydrogen and Deuterium in the energy range 600-1500 MeV. The beam polarization asymmetries are similar for the free proton in Hydrogen and the bound proton in Deuterium. At energies up to 1.2 GeV, for the bound proton and bound neutron in Deuterium, the asymmetries are similar for the photoproduction of η and different for π0. | |
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