Experimental results of K+ photoproduction at SPring-8/LEPS

M. Sumiham, D. S. Ahn, J. K. Ahn, H. Akimune, Y. Asano, W. C. Chang, S. Date, H. Ejiri, H. Fujimura, M. Fujiwara, K. Hicks, T. Hotta, K. Imai, T. Ishikawa, T. Iwata, H. Kawai, Z. Y. Kim, K. Kino, H. Kohri, N. KumagaiS. Makino, T. Matsumura, N. Matsuoka, T. Mibe, K. Miwa, M. Miyabe, Y. Miyachi, M. Morita, N. Muramatsu, T. Nakano, M. Niiyama, M. Nomachi, Y. Ohashi, T. Ooba, H. Ookuma, D. S. Oshuev, C. Rangacharyulu, A. Sakaguchi, T. Sasaki, P. M. Shagin, Y. Shiino, Y. Sugaya, H. Toyokawa, A. Wakai, C. W. Wang, S. C. Wang, K. Yonehara, T. Yorita, M. Yosoi, R. G.T. Zegers

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

Photon beam asymmetries for the γ p → K+ Λ and γ p → K+ Σ0 reactions have been measured for the photon energy range from 1.5 GeV to 2.4 GeV and for the angular range of 0 ° < ΘcmK+ < 60 ° at the SPring-8/LEPS facility. The observed asymmetries are found to be positive and increase with increasing the photon energy. Present theoretical calculations do not reproduce the data. To extend our knowledge on the K+ photoproduction mechanism including the effect of nucleon resonances, further theoretical development is required to fit both the cross section and asymmetry data.

原文???core.languages.en_GB???
頁(從 - 到)303c-309c
期刊Nuclear Physics A
754
發行號1-4 SPEC. ISS.
DOIs
出版狀態已出版 - 30 5月 2005

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