The -beam asymmetry Σ in the photoproduction of negative pions from quasi-free neutrons in a deuterium target was measured at Graal in the energy interval 700 – 1500 MeV and a wide angular range, using polarized and tagged photons. The results are compared with recent partial wave analyses.
G. Mandaglio, F. Mammoliti, M. Manganaro, V. Bellini, J. P. Bocquet, L. Casano, A. D’Angelo, R. Di Salvo, A. Fantini, D. Franco, G. Gervino, F. Ghio, G. Giardina, B. Girolami, A. Giusa, A. Ignatov, A. Lapik, P. Levi Sandri, A. Lleres, D. Moricciani, A. N. Mushkarenkov, V. Nedorezov, C. Randieri, D. Rebreyend, N. V. Rudnev, G. Russo, C. Schaerf, M. L. Sperduto, M. C. Sutera, A. Turinge, V. Vegna, W. J. Briscoe, I. I. Strakovsky (2010)
Physical Review C – October 2010, Vol. 82, Issue 4, pp. 045209-1-045209-7, ISSN: 0556-2813, doi: 10.1103/PhysRevC.82.045209.
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Physical Review C (PRC) contains research articles reporting experimental and theoretical results in all aspects of nuclear physics, including the nucleon-nucleon interaction, few-body systems, nuclear structure, nuclear reactions, relativistic nuclear collisions, hadronic physics and QCD, electroweak interaction, symmetries, and nuclear astrophysics.