Measurements of the total cross sections of Σ- and Ξ- on protons and deuterons between 74 and 137 GeV/c

S. F. Biagi, M. Bourquin, A. J. Britten, R. M. Brown, H. Burckhart, A. A. Carter, J. R. Carter, Ch Doré, P. Extermann, M. Gailloud, C. N.P. Gee, W. M. Gibson, J. C. Gordon, R. J. Gray, P. Igo-Kemenes, W. C. Louis, T. Modis, P. Muhlemann, J. Perrier, Ph RosseletB. J. Saunders, P. Schirato, H. W. Siebert, V. J. Smith, D. P. Stickland, K. P. Streit, J. J. Thresher, R. Weill

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Abstract

The Σ- p and Σ- d total cross sections have been measured to a statistical accuracy of ±1% and ±0.5%, respectively, at five momenta from 74.5 to 136.9 GeV/c, using the hyperon beam at the CERN SPS. The Ξ-p and Ξ- d total cross sections have also been measured to the same statistical accuracy at 101.5 and 133.8 GeV/c. The systematic uncertainty at each momentum is estimated to be of the order of ±0.5%. The hyperon-nucleon cross sections are shown to be rising with energy, and the data are compared with various phenomenological models.

Original languageEnglish (US)
Pages (from-to)1-21
Number of pages21
JournalNuclear Physics, Section B
Volume186
Issue number1
DOIs
StatePublished - Jul 27 1981
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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