Inclusive photoproduction of strange baryons at 20 GeV

K. Abe, R. Armenteros, T. C. Bacon, J. Ballam, H. H. Bingham, J. E. Brau, K. Braune, D. Brick, W. M. Bugg, J. M. Butler, W. Cameron, H. O. Cohn, D. C. Colley, S. Dado, R. Diamond, P. Dingus, R. Erickson, R. C. Field, B. Franek, N. FujiwaraT. Glanzman, I. M. Godfrey, J. J. Goldberg, A. T. Goshaw, G. Hall, E. R. Hancock, T. Handler, H. J. Hargis, E. L. Hart, M. J. Harwin, K. Hasegawa, R. I. Hulsizer, M. Jobes, T. Kafka, G. E. Kalmus, D. P. Kelsey, T. Kitagaki, A. Levy, P. W. Lucas, W. A. Mann, R. Merenyi, R. Milburn, C. Milstene, K. C. Moffeit, A. Napier, S. Noguchi, F. Ochiai, S. Oneale, A. P.T. Palounek, I. A. Pless, P. Rankin, W. J. Robertson, H. Sagawa, T. Sato, J. Schneps, S. J. Sewell, J. Shank, A. M. Shapiro, R. Sugahara, A. Suzuki, K. Takahashi, K. Tamai, S. Tanaka, S. Tether, D. A. Waide, W. D. Walker, M. Widgoff, C. G. Wilkins, S. Wolbers, Akira Yamaguchi, R. K. Yamamoto, S. Yamashita, Y. Yoshimura, G. P. Yost, H. Yuta

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10 Citations (Scopus)

Abstract

Cross sections are presented for the inclusive photoproduction of KS0, , ,-, -, 0, and *(1385) at 20 GeV. An upper limit to - production is also given. The data come from 284 000 hadronic events photoproduced in the SLAC 1-m hydrogen-bubble-chamber hybrid facility exposed to a nearly monochromatic, polarized 20-GeV backscattered photon beam. A comparison of the KS0, , , and - rates per inelastic event to p data show that p rates are consistent with being higher than the p rates, providing evidence of an ss component of the photon. The pair cross sections for KS0KS0, KS0, KSo, and are presented. The xF distributions of the , , and - are compared to a quark-diquark fusion model, giving information on strange-baryon photoproduction mechanisms.

Original languageEnglish
Pages (from-to)2869-2882
Number of pages14
JournalPhysical Review D
Volume32
Issue number11
DOIs
Publication statusPublished - 1985 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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