Beam-Polarization Asymmetries for the p(γ →, K +)Γ and p(γ →, K+0 Reactions for Eγ = 1.5-2.4 GeV

R. G.T. Zegers, M. Sumihama, D. S. Ahn, J. K. Ahn, H. Akimune, Y. Asano, W. C. Chang, S. Daté, H. Ejiri, H. Fujimura, M. Fujiwara, K. Hicks, T. Hotta, K. Imai, T. Ishikawa, T. Iwata, H. Kawai, Z. Y. Kim, K. Kino, H. KohriN. Kumagai, S. 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. Ohkuma, D. S. Oshuev, C. Rangacharyulu, A. Sakaguchi, T. Sasaki, P. M. Shagin, Y. Shiino, H. Shimizu, Y. Sugaya, H. Toyokawa, A. Wakai, C. W. Wang, S. C. Wang, K. Yonehara, T. Yorita, M. Yoshimura, M. Yosoi

Research output: Contribution to journalArticlepeer-review

127 Citations (Scopus)


The beam polarization asymmetries for the p(γ, K+)λ and p(γ, K+)∑ 0 reactions were measured for the Eγ 1.5-2.4 GeV. The linearly polarized photons at the Laser-Electron-Photon facility at SPring-8 (LEPS) were used. It was found that the data were not consistent with theoretical predictions based on tree-level effective Lagrangian approaches.

Original languageEnglish
Article number092001
Pages (from-to)920011-920014
Number of pages4
JournalPhysical review letters
Issue number9
Publication statusPublished - 2003 Aug 29
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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