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, Jung Keun 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

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Abstract

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
Pages (from-to)920011-920014
Number of pages4
JournalPhysical Review Letters
Volume91
Issue number9
Publication statusPublished - 2003 Aug 29
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Zegers, R. G. T., Sumihama, M., Ahn, D. S., Ahn, J. K., Akimune, H., Asano, Y., Chang, W. C., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Hicks, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kawai, H., Kim, Z. Y., Kino, K., ... Yosoi, M. (2003). Beam-Polarization Asymmetries for the p(γ →, K +)Γ and p(γ →, K+0 Reactions for Eγ = 1.5-2.4 GeV. Physical Review Letters, 91(9), 920011-920014.