A study of Σ±, Σ*± and Σ̄-1385 production in the hyperon beam experiment WA89 at CERN: The WA89 collaboration

M. I. Adamovich, Yu A. Alexandrov, S. P. Baranov, D. Barberis, M. Beck, C. Bérat, W. Beusch, M. Boss, S. Brons, W. Brückner, M. Buénerd, Ch Busch, Ch Büscher, F. Charignon, J. Chauvin, E. A. Chudakov, U. Dersch, F. Dropmann, J. Engelfried, F. FallerA. Fournier, S. G. Gerassimov, M. Godbersen, P. Grafström, Th Haller, M. Heidrich, E. Hubbard, R. B. Hurst, K. Königsmann, I. Konorov, N. Keller, K. Martens, Ph Martin, S. Masciocchi, R. Michaels, U. Müller, H. Neeb, D. Newbold, C. Newsom, S. Paul, J. Pochodzalla, I. Potashnikova, B. Povh, R. Ransome, Z. Ren, M. Rey-Campagnolle, G. Rosner, L. Rossi, H. Rudolph, C. Scheel, L. Schmitt, H. W. Siebert, A. Simon, V. Smith, O. Thilmann, A. Trombini, E. Vesin, B. Volkemer, K. Vorwalter, Th Walcher, G. Wälder, R. Werding, E. Wittmann, M. V. Zavertyaev

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Abstract

We report on a measurement of the inclusive production cross sections for Σ±, Σ±1385, Σ±1660 and Σ̄-1385 in the CERN hyperon beam experiment WA89, using a Σ-- beam of 345 GeV/c momentum and neutrons of 260 GeV/c mean momentum. A strong leading particle effect was observed for all negative Σ and Σ *. The results are compared with predictions from phenomenological models.

Original languageEnglish (US)
Pages (from-to)255-267
Number of pages13
JournalEuropean Physical Journal C
Volume22
Issue number2
DOIs
StatePublished - Nov 1 2001

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All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

Cite this

Adamovich, M. I., Alexandrov, Y. A., Baranov, S. P., Barberis, D., Beck, M., Bérat, C., Beusch, W., Boss, M., Brons, S., Brückner, W., Buénerd, M., Busch, C., Büscher, C., Charignon, F., Chauvin, J., Chudakov, E. A., Dersch, U., Dropmann, F., Engelfried, J., ... Zavertyaev, M. V. (2001). A study of Σ±, Σ*± and Σ̄-1385 production in the hyperon beam experiment WA89 at CERN: The WA89 collaboration. European Physical Journal C, 22(2), 255-267. https://doi.org/10.1007/s100520100814