Preliminary results on η' Photoproduction at GRAAL

Preliminary results on η’ Photoproduction at GRAAL

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The γp → η‧p reaction was studied near the threshold, in the 1.44 GeV> Eγ < 1.55GeV energy range with the tagged photons of the former GRAAL experiment. The two neutral decays γγ(Γi/Γ = 2.10 ± 0.12%) and π0π0η(Γi/Γ = 20.7 ± 1.2%) were analized and preliminary results of the beam asymmetry were extracted together with the invariant masses.

M. Manganaro, V. Bellini, J. P. Bocquet, L. Casano, A. D’Angelo, J. P. Didelez, R. Di Salvo, A. Fantini, D. Franco, G. Gervino, F. Ghio, G. Giardina, B. Girolami, A. Giusa, A. S. Ignatov, A. Lapik, A. Lleres, P. Levi Sandri, F. Mammoliti, G. Mandaglio, M. Moricciani, A. N. Mushkarenkov, V. G. Nedorezov, C. Randieri, D. Rebreyend, N. V. Rudnev, G. Russo, C. Schaerf, M. L. Sperduto, M. C. Sutera, A. Turinge, V. Vegna (2010)

International Journal of Modern Physics E – June 2010, Vol. 19, Issues 5-6, pp. 1177-1182, ISSN: 0218-3013, doi: 10.1142/S0218301310015643.

World ScientificWorld Scientific Publishing Company was established in 1981 with only 5 employees in a tiny office. Today, the company employs more than 200 staff at its headquarters in Singapore and 450 globally. It has offices in New Jersey, London, Geneva, Hong Kong, Taipei, Beijing, Shanghai, Tianjin and Chennai. In about 3 decades, it has established itself as one of the leading scientific publishers in the world, and the largest international scientific publisher in the Asia-Pacific region. World Scientific publishes about 600 new titles a year and 130 journals in various fields.

Internation Journal of modern physics EThe International Journal of Modern Physics E covers the topics on experimental, theoretical and computational nuclear science, and its applications and interface with astrophysics and particle physics. The journal includes both review articles and research papers.

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