Backward-angle photoproduction of ! and ' mesons from protons at E = 1.5 − 3.0 GeV

Y. Morino,Y. Nakatsugawa,M. Yosoi,M. Niiyama,D. S. Ahn,Jung Keun Ahn,S. Ajimura,W. C. Chang,J. Y. Chen,H. Fujimura,S. Fukui,K. Hicks,T. Hiraiwa,T. Hotta,H. Hwang,K. Imai,T. Ishikawa,Y. Kato,H. Kawai,M. J. Kim,H. Kohri,Y. Kon,P. J. Lin,K. Mase,Y. Maeda,M. Miyabe,N. Muramatsu,T. Nakano,H. Noumi,Y. Ohashi,T. Ohta,M Oka,J. D. Parker,S. Y. Ryu,T. Saito,T. Sawada,H. Shimizu,E. A. Strokovsky,Y. Sugaya,M. Sumihama,K. Suzuki,K. Tanida,A. O. Tokiyasu,T. Tomioka,T. Tsunemi,M. Uchida,Ryo Yamamura,T. Yorita

Backward-angle photoproduction of ! and ' mesons from protons at E = 1.5 − 3.0 GeV

2013

We report the measurement of differential cross sections for ! and � ' photoproduction from protons at backward angles (−1.0 2.4 GeV. A bump structure in the √ s dependence of the differential cross sections for � ' mesons was observed at √ s ∼2.35 GeV.

Keywords:

Particle physics
Meson
Physics
Proton
Nuclear physics

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