Measurement of the γ→p→K+Λ reaction at backward angles

K. Hicks, T. Mibe, M. Sumihama, D. S. Ahn, Jung Keun Ahn, H. Akimune, Y. Asano, W. C. Chang, S. Daté, H. Ejiri, S. Fukui, H. Fujimura, M. Fujiwara, S. Hasegawa, A. Hosaka, T. Hotta, K. Imai, T. Ishikawa, T. Iwata, B. Juliá-Díaz & 41 others Y. Kato, H. Kawai, Z. Y. Kim, K. Kino, H. Kohri, N. Kumagai, T. S H Lee, S. Makino, T. Matsuda, T. Matsumura, N. Matsuoka, M. Miyabe, Y. Miyachi, M. Morita, N. Muramatsu, T. Nakano, M. Niiyama, M. Nomachi, Y. Ohashi, T. Ooba, H. Ohkuma, D. S. Oshuev, S. Ozaki, C. Rangacharyulu, A. Sakaguchi, T. Sasaki, P. M. Shagin, Y. Shiino, A. Shimizu, H. Shimizu, Y. Sugaya, Y. Toi, H. Toyokawa, A. Wakai, C. W. Wang, S. C. Wang, K. Yonehara, T. Yorita, M. Yoshimura, M. Yosoi, R. G T Zegers

Research output: Contribution to journalArticle

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Abstract

Cross sections for the γp→K+Λ reaction were measured at backward angles using linearly polarized photons in the range 1.50 to 2.37 GeV. In addition, the beam asymmetry for this reaction was measured for the first time at backward angles. The Λ was detected at forward angles in the LEPS spectrometer via its decay to pπ- and the K+ was inferred using the technique of missing mass. These measurements, corresponding to kaons at far backward angles in the center-of-mass frame, complement similar CLAS data at other angles. Comparison with theoretical models shows that the reactions in these kinematics provide further opportunities to investigate the reaction mechanisms of hadron dynamics.

Original languageEnglish
Article number042201
JournalPhysical Review C - Nuclear Physics
Volume76
Issue number4
DOIs
Publication statusPublished - 2007 Oct 30
Externally publishedYes

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kaons
complement
center of mass
kinematics
asymmetry
spectrometers
cross sections
photons
decay

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Hicks, K., Mibe, T., Sumihama, M., Ahn, D. S., Ahn, J. K., Akimune, H., ... Zegers, R. G. T. (2007). Measurement of the γ→p→K+Λ reaction at backward angles. Physical Review C - Nuclear Physics, 76(4), [042201]. https://doi.org/10.1103/PhysRevC.76.042201

Measurement of the γ→p→K+Λ reaction at backward angles. / Hicks, K.; Mibe, T.; Sumihama, M.; Ahn, D. S.; Ahn, Jung Keun; Akimune, H.; Asano, Y.; Chang, W. C.; Daté, S.; Ejiri, H.; Fukui, S.; Fujimura, H.; Fujiwara, M.; Hasegawa, S.; Hosaka, A.; Hotta, T.; Imai, K.; Ishikawa, T.; Iwata, T.; Juliá-Díaz, B.; Kato, Y.; Kawai, H.; Kim, Z. Y.; Kino, K.; Kohri, H.; Kumagai, N.; Lee, T. S H; Makino, S.; Matsuda, T.; Matsumura, T.; Matsuoka, N.; Miyabe, M.; Miyachi, Y.; Morita, M.; Muramatsu, N.; Nakano, T.; Niiyama, M.; Nomachi, M.; Ohashi, Y.; Ooba, T.; Ohkuma, H.; Oshuev, D. S.; Ozaki, S.; Rangacharyulu, C.; Sakaguchi, A.; Sasaki, T.; Shagin, P. M.; Shiino, Y.; Shimizu, A.; Shimizu, H.; Sugaya, Y.; Toi, Y.; Toyokawa, H.; Wakai, A.; Wang, C. W.; Wang, S. C.; Yonehara, K.; Yorita, T.; Yoshimura, M.; Yosoi, M.; Zegers, R. G T.

In: Physical Review C - Nuclear Physics, Vol. 76, No. 4, 042201, 30.10.2007.

Research output: Contribution to journalArticle

Hicks, K, Mibe, T, Sumihama, M, Ahn, DS, Ahn, JK, Akimune, H, Asano, Y, Chang, WC, Daté, S, Ejiri, H, Fukui, S, Fujimura, H, Fujiwara, M, Hasegawa, S, Hosaka, A, Hotta, T, Imai, K, Ishikawa, T, Iwata, T, Juliá-Díaz, B, Kato, Y, Kawai, H, Kim, ZY, Kino, K, Kohri, H, Kumagai, N, Lee, TSH, Makino, S, Matsuda, T, Matsumura, T, Matsuoka, N, Miyabe, M, Miyachi, Y, Morita, M, Muramatsu, N, Nakano, T, Niiyama, M, Nomachi, M, Ohashi, Y, Ooba, T, Ohkuma, H, Oshuev, DS, Ozaki, S, Rangacharyulu, C, Sakaguchi, A, Sasaki, T, Shagin, PM, Shiino, Y, Shimizu, A, Shimizu, H, Sugaya, Y, Toi, Y, Toyokawa, H, Wakai, A, Wang, CW, Wang, SC, Yonehara, K, Yorita, T, Yoshimura, M, Yosoi, M & Zegers, RGT 2007, 'Measurement of the γ→p→K+Λ reaction at backward angles', Physical Review C - Nuclear Physics, vol. 76, no. 4, 042201. https://doi.org/10.1103/PhysRevC.76.042201
Hicks, K. ; Mibe, T. ; Sumihama, M. ; Ahn, D. S. ; Ahn, Jung Keun ; Akimune, H. ; Asano, Y. ; Chang, W. C. ; Daté, S. ; Ejiri, H. ; Fukui, S. ; Fujimura, H. ; Fujiwara, M. ; Hasegawa, S. ; Hosaka, A. ; Hotta, T. ; Imai, K. ; Ishikawa, T. ; Iwata, T. ; Juliá-Díaz, B. ; Kato, Y. ; Kawai, H. ; Kim, Z. Y. ; Kino, K. ; Kohri, H. ; Kumagai, N. ; Lee, T. S H ; Makino, S. ; Matsuda, T. ; Matsumura, T. ; Matsuoka, N. ; Miyabe, M. ; Miyachi, Y. ; Morita, M. ; Muramatsu, N. ; Nakano, T. ; Niiyama, M. ; Nomachi, M. ; Ohashi, Y. ; Ooba, T. ; Ohkuma, H. ; Oshuev, D. S. ; Ozaki, S. ; Rangacharyulu, C. ; Sakaguchi, A. ; Sasaki, T. ; Shagin, P. M. ; Shiino, Y. ; Shimizu, A. ; Shimizu, H. ; Sugaya, Y. ; Toi, Y. ; Toyokawa, H. ; Wakai, A. ; Wang, C. W. ; Wang, S. C. ; Yonehara, K. ; Yorita, T. ; Yoshimura, M. ; Yosoi, M. ; Zegers, R. G T. / Measurement of the γ→p→K+Λ reaction at backward angles. In: Physical Review C - Nuclear Physics. 2007 ; Vol. 76, No. 4.
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abstract = "Cross sections for the γp→K+Λ reaction were measured at backward angles using linearly polarized photons in the range 1.50 to 2.37 GeV. In addition, the beam asymmetry for this reaction was measured for the first time at backward angles. The Λ was detected at forward angles in the LEPS spectrometer via its decay to pπ- and the K+ was inferred using the technique of missing mass. These measurements, corresponding to kaons at far backward angles in the center-of-mass frame, complement similar CLAS data at other angles. Comparison with theoretical models shows that the reactions in these kinematics provide further opportunities to investigate the reaction mechanisms of hadron dynamics.",
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T1 - Measurement of the γ→p→K+Λ reaction at backward angles

AU - Hicks, K.

AU - Mibe, T.

AU - Sumihama, M.

AU - Ahn, D. S.

AU - Ahn, Jung Keun

AU - Akimune, H.

AU - Asano, Y.

AU - Chang, W. C.

AU - Daté, S.

AU - Ejiri, H.

AU - Fukui, S.

AU - Fujimura, H.

AU - Fujiwara, M.

AU - Hasegawa, S.

AU - Hosaka, A.

AU - Hotta, T.

AU - Imai, K.

AU - Ishikawa, T.

AU - Iwata, T.

AU - Juliá-Díaz, B.

AU - Kato, Y.

AU - Kawai, H.

AU - Kim, Z. Y.

AU - Kino, K.

AU - Kohri, H.

AU - Kumagai, N.

AU - Lee, T. S H

AU - Makino, S.

AU - Matsuda, T.

AU - Matsumura, T.

AU - Matsuoka, N.

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 - Ozaki, S.

AU - Rangacharyulu, C.

AU - Sakaguchi, A.

AU - Sasaki, T.

AU - Shagin, P. M.

AU - Shiino, Y.

AU - Shimizu, A.

AU - Shimizu, H.

AU - Sugaya, Y.

AU - Toi, Y.

AU - Toyokawa, H.

AU - Wakai, A.

AU - Wang, C. W.

AU - Wang, S. C.

AU - Yonehara, K.

AU - Yorita, T.

AU - Yoshimura, M.

AU - Yosoi, M.

AU - Zegers, R. G T

PY - 2007/10/30

Y1 - 2007/10/30

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AB - Cross sections for the γp→K+Λ reaction were measured at backward angles using linearly polarized photons in the range 1.50 to 2.37 GeV. In addition, the beam asymmetry for this reaction was measured for the first time at backward angles. The Λ was detected at forward angles in the LEPS spectrometer via its decay to pπ- and the K+ was inferred using the technique of missing mass. These measurements, corresponding to kaons at far backward angles in the center-of-mass frame, complement similar CLAS data at other angles. Comparison with theoretical models shows that the reactions in these kinematics provide further opportunities to investigate the reaction mechanisms of hadron dynamics.

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