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Rapidity dependence of multiplicity distributions in proton-nucleus collisions at 360 GeV/c |
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| Authors: | J. L. Bailly S. Banerjee C. Caso Y. Chiba H. Dibon B. Epp A. Ferrando F. Fontanelli T. Gemesy A. Gurtu R. Hamatsu T. Hirose J. Hrubec Y. Iga Yu. Ivanyshenkov N. Khalatyan E. Kistenev S. Kitamura V. Kubik J. MacNaughton S. Matsumoto I. S. Mittra L. Montanet G. Neuhofer G. Pinter P. Porth T. Rodrigo J. Singh S. Squarcia K. Takahashi L. A. Tikhonova U. Trevisan T. Yamagata G. Zholobov S. A. Zotkin EHS-RCBC Collaboration |
| Affiliation: | 1. Faculté des Sciences, Université de l'Etat, B-7000, Mons, Belgium 2. Tata Institute of Fundamental Research, 400005, Bombay, India 3. University of Genova and INFN, I-16146, Genova, Italy 4. Hiroshima University, 730, Hiroshima, Japan 5. Institut für Hochenergiephysik, A-1050, Wien, Austria 6. Institut für Experimental Physik, A-6020, Innsbruck, Austria 7. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, E-28040, Madrid, Spain 8. Central Research Institute for Physics, H-1525, Budapest 114, Hungary 9. Tokyo Metropolitan University, 158, Tokyo, Japan 10. Institute for High Energy Physics, Serpukhov, SU-142284, Protvino, USSR 11. Chuo University, Tokyo, Japan 12. Panjab University, 160014, Chandigarh, India 13. European Organization for Nuclear Research, CERN, CH-1211, Geneva 23, Switzerland 14. Tokyo University of Agriculture and Technology, 184, Tokyo, Japan 15. Moscow State University, SU-117234, Moscow, USSR |
| Abstract: | Multiplicity distributions in various rapidity intervals for charged particles produced in collisions of 360 GeV/c protons with aluminium (Al) and gold (Au) targets are presented. The data were analysed separately for the forward and backward hemispheres. Each distribution is well described by a negative binomial distribution. The experimental distributions are compared with the predictions of the multichain model calculated by the Monte Carlo program MCMHA in which the intranuclear cascade process is included, and also with the Lund Monte Carlo FRITIOF. The results of MCMHA reproduce quite well the multiplicity distributions for various rapidity intervals. |
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