The γ→p→K+Λ and γ→p→K+Σ0 reactions at forward angles with photon energies from 1.5 to 2.4 GeV

M. Sumihama; J. K. Ahn; H. Akimune; Y. Asano; C. Bennhold; W. C. Chang; T. Corthals; S. Daté; H. Ejiri; H. Fujimura; M. Fujiwara; M. Guidal; K. Hicks; T. Hotta; K. Imai; T. Ishikawa; T. Iwata; H. Kawai; Z. Y. Kim; K. Kino; H. Kohri; N. Kumagai; S. Makino; T. Mart; T. Matsumura; N. Matsuoka; T. Mibe; 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. Yosoi; R. G.T. Zegers

doi:10.1103/PhysRevC.73.035214

The γ→p→K+Λ and γ→p→K+Σ0 reactions at forward angles with photon energies from 1.5 to 2.4 GeV

M. Sumihama, J. K. Ahn, H. Akimune, Y. Asano, C. Bennhold, W. C. Chang, T. Corthals, S. Daté, H. Ejiri, H. Fujimura, M. Fujiwara, M. Guidal, K. Hicks, T. Hotta, K. Imai, T. Ishikawa, T. Iwata, H. Kawai, Z. Y. Kim, K. KinoH. Kohri, N. Kumagai, S. Makino, T. Mart, T. Matsumura, N. Matsuoka, T. Mibe, 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. Yosoi, R. G.T. Zegers

生醫科學與工程學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

182 引文斯高帕斯（Scopus）

摘要

Differential cross sections and photon-beam asymmetries for the γ→p→K+Λ and γ→p→K+Σ0 reactions have been measured in the photon energy range from 1.5 to 2.4 GeV and in the angular range from Θc.m.=0° to 60° of the K+ scattering angle in the center-of-mass system at the SPring-8/LEPS facility. The photon-beam asymmetries for both the reactions have been found to be positive and to increase with the photon energy. The measured differential cross sections agree with the data measured by the CLAS Collaboration at cosΘc.m.<0.9 within the experimental uncertainties, but the discrepancy with the SAPHIR data for the K+Λ reaction is large at cosΘc.m.>0.9. In the K+Λ reaction, the resonance-like structure found in the CLAS and SAPHIR data at W=1.96 GeV is confirmed. The differential cross sections at forward angles suggest a strong K-exchange contribution in the t-channel for the K+Λ reaction, but not for the K+Σ0 reaction.

原文	???core.languages.en_GB???
文章編號	035214
期刊	Physical Review C - Nuclear Physics
卷	73
發行號	3
DOIs	https://doi.org/10.1103/PhysRevC.73.035214
出版狀態	已出版 - 2006

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10.1103/PhysRevC.73.035214

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Sumihama, M., Ahn, J. K., Akimune, H., Asano, Y., Bennhold, C., Chang, W. C., Corthals, T., Daté, S., Ejiri, H., Fujimura, H., Fujiwara, M., Guidal, M., Hicks, K., Hotta, T., Imai, K., Ishikawa, T., Iwata, T., Kawai, H., Kim, Z. Y., ... Zegers, R. G. T. (2006). The γ→p→K+Λ and γ→p→K+Σ0 reactions at forward angles with photon energies from 1.5 to 2.4 GeV. Physical Review C - Nuclear Physics, 73(3), 文章 035214. https://doi.org/10.1103/PhysRevC.73.035214

@article{e4f7705baa574bd0a9a2b89b8042c79f,

title = "The γ→p→K+Λ and γ→p→K+Σ0 reactions at forward angles with photon energies from 1.5 to 2.4 GeV",

abstract = "Differential cross sections and photon-beam asymmetries for the γ→p→K+Λ and γ→p→K+Σ0 reactions have been measured in the photon energy range from 1.5 to 2.4 GeV and in the angular range from Θc.m.=0° to 60° of the K+ scattering angle in the center-of-mass system at the SPring-8/LEPS facility. The photon-beam asymmetries for both the reactions have been found to be positive and to increase with the photon energy. The measured differential cross sections agree with the data measured by the CLAS Collaboration at cosΘc.m.<0.9 within the experimental uncertainties, but the discrepancy with the SAPHIR data for the K+Λ reaction is large at cosΘc.m.>0.9. In the K+Λ reaction, the resonance-like structure found in the CLAS and SAPHIR data at W=1.96 GeV is confirmed. The differential cross sections at forward angles suggest a strong K-exchange contribution in the t-channel for the K+Λ reaction, but not for the K+Σ0 reaction.",

author = "M. Sumihama and Ahn, {J. K.} and H. Akimune and Y. Asano and C. Bennhold and Chang, {W. C.} and T. Corthals and S. Dat{\'e} and H. Ejiri and H. Fujimura and M. Fujiwara and M. Guidal and K. Hicks and T. Hotta and K. Imai and T. Ishikawa and T. Iwata and H. Kawai and Kim, {Z. Y.} and K. Kino and H. Kohri and N. Kumagai and S. Makino and T. Mart and T. Matsumura and N. Matsuoka and T. Mibe and M. Miyabe and Y. Miyachi and M. Morita and N. Muramatsu and T. Nakano and M. Niiyama and M. Nomachi and Y. Ohashi and T. Ooba and H. Ohkuma and Oshuev, {D. S.} and C. Rangacharyulu and A. Sakaguchi and T. Sasaki and Shagin, {P. M.} and Y. Shiino and H. Shimizu and Y. Sugaya and H. Toyokawa and A. Wakai and Wang, {C. W.} and Wang, {S. C.} and K. Yonehara and T. Yorita and M. Yosoi and Zegers, {R. G.T.}",

year = "2006",

doi = "10.1103/PhysRevC.73.035214",

language = "???core.languages.en_GB???",

volume = "73",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

number = "3",

}

Sumihama, M, Ahn, JK, Akimune, H, Asano, Y, Bennhold, C, Chang, WC, Corthals, T, Daté, S, Ejiri, H, Fujimura, H, Fujiwara, M, Guidal, M, Hicks, K, Hotta, T, Imai, K, Ishikawa, T, Iwata, T, Kawai, H, Kim, ZY, Kino, K, Kohri, H, Kumagai, N, Makino, S, Mart, T, Matsumura, T, Matsuoka, N, Mibe, T, Miyabe, M, Miyachi, Y, Morita, M, Muramatsu, N, Nakano, T, Niiyama, M, Nomachi, M, Ohashi, Y, Ooba, T, Ohkuma, H, Oshuev, DS, Rangacharyulu, C, Sakaguchi, A, Sasaki, T, Shagin, PM, Shiino, Y, Shimizu, H, Sugaya, Y, Toyokawa, H, Wakai, A, Wang, CW, Wang, SC, Yonehara, K, Yorita, T, Yosoi, M & Zegers, RGT 2006, 'The γ→p→K+Λ and γ→p→K+Σ0 reactions at forward angles with photon energies from 1.5 to 2.4 GeV', Physical Review C - Nuclear Physics, 卷 73, 編號 3, 035214. https://doi.org/10.1103/PhysRevC.73.035214

TY - JOUR

T1 - The γ→p→K+Λ and γ→p→K+Σ0 reactions at forward angles with photon energies from 1.5 to 2.4 GeV

AU - Sumihama, M.

AU - Ahn, J. K.

AU - Akimune, H.

AU - Asano, Y.

AU - Bennhold, C.

AU - Chang, W. C.

AU - Corthals, T.

AU - Daté, S.

AU - Ejiri, H.

AU - Fujimura, H.

AU - Fujiwara, M.

AU - Guidal, M.

AU - Hicks, K.

AU - Hotta, T.

AU - Imai, K.

AU - Ishikawa, T.

AU - Iwata, T.

AU - Kawai, H.

AU - Kim, Z. Y.

AU - Kino, K.

AU - Kohri, H.

AU - Kumagai, N.

AU - Makino, S.

AU - Mart, T.

AU - Matsumura, T.

AU - Matsuoka, N.

AU - Mibe, T.

AU - Miyabe, M.

AU - Miyachi, Y.

AU - Morita, M.

AU - Muramatsu, N.

AU - Nakano, T.

AU - Niiyama, M.

AU - Nomachi, M.

AU - Ohashi, Y.

AU - Ooba, T.

AU - Ohkuma, H.

AU - Oshuev, D. S.

AU - Rangacharyulu, C.

AU - Sakaguchi, A.

AU - Sasaki, T.

AU - Shagin, P. M.

AU - Shiino, Y.

AU - Shimizu, H.

AU - Sugaya, Y.

AU - Toyokawa, H.

AU - Wakai, A.

AU - Wang, C. W.

AU - Wang, S. C.

AU - Yonehara, K.

AU - Yorita, T.

AU - Yosoi, M.

AU - Zegers, R. G.T.

PY - 2006

Y1 - 2006

N2 - Differential cross sections and photon-beam asymmetries for the γ→p→K+Λ and γ→p→K+Σ0 reactions have been measured in the photon energy range from 1.5 to 2.4 GeV and in the angular range from Θc.m.=0° to 60° of the K+ scattering angle in the center-of-mass system at the SPring-8/LEPS facility. The photon-beam asymmetries for both the reactions have been found to be positive and to increase with the photon energy. The measured differential cross sections agree with the data measured by the CLAS Collaboration at cosΘc.m.<0.9 within the experimental uncertainties, but the discrepancy with the SAPHIR data for the K+Λ reaction is large at cosΘc.m.>0.9. In the K+Λ reaction, the resonance-like structure found in the CLAS and SAPHIR data at W=1.96 GeV is confirmed. The differential cross sections at forward angles suggest a strong K-exchange contribution in the t-channel for the K+Λ reaction, but not for the K+Σ0 reaction.

AB - Differential cross sections and photon-beam asymmetries for the γ→p→K+Λ and γ→p→K+Σ0 reactions have been measured in the photon energy range from 1.5 to 2.4 GeV and in the angular range from Θc.m.=0° to 60° of the K+ scattering angle in the center-of-mass system at the SPring-8/LEPS facility. The photon-beam asymmetries for both the reactions have been found to be positive and to increase with the photon energy. The measured differential cross sections agree with the data measured by the CLAS Collaboration at cosΘc.m.<0.9 within the experimental uncertainties, but the discrepancy with the SAPHIR data for the K+Λ reaction is large at cosΘc.m.>0.9. In the K+Λ reaction, the resonance-like structure found in the CLAS and SAPHIR data at W=1.96 GeV is confirmed. The differential cross sections at forward angles suggest a strong K-exchange contribution in the t-channel for the K+Λ reaction, but not for the K+Σ0 reaction.

UR - http://www.scopus.com/inward/record.url?scp=33645471055&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.73.035214

DO - 10.1103/PhysRevC.73.035214

M3 - 期刊論文

AN - SCOPUS:33645471055

SN - 0556-2813

VL - 73

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 3

M1 - 035214

ER -

The γ→p→K+Λ and γ→p→K+Σ0 reactions at forward angles with photon energies from 1.5 to 2.4 GeV

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