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Multiplicity structure of inclusive diffraction in À+ p andK + p interactions at 250 GeV/c |
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| Authors: | M. Begalli F. Botterweck H. Boettcher M. Charlet P. V. Chliapnikov E. A. De Wolf K. Dziunikowska A. M. F. Endler A. Eskreys W. Friebel G. R. Gulkanyan Z. S. Garutchava W. Kittel S. S. Megrabyan Th. Naumann K. Olkiewicz H. E. Roloff O. G. Tchikilev L. A. Tikhonova A. G. Tomaradze F. Verbeure R. Wischnewski S. A. Zotkin |
| Affiliation: | 1. Centro Brasileiro de Pesquisas Fisicas, 22290, Rio de Janeiro, Brazil 2. University of Nijmegen and NIKHEF-H, NL-6525 ED, Nijmegen, The Netherlands 3. DESY-Institut für Hochenergiephysik, O-1615, Zeuthen, Federal Republic of Germany 4. Institute for High Energy Physics, 142284, Protvino, Russia 5. Inter University Institute for High Energies, B-1050, Brussels 6. Universitaire Instelling Antwerp, B-2610, Wilrijk, Belgium 8. Institute of Physics and Nuclear Technique of the Academy of Mining and Metallurgy and Institute of Nuclear Physics, PL-30055, Krakow, Poland 9. Institute of Physics, 375036, Yerevan, Armenia 10. Institute for High Energy Physics, Tbilisi-State University, 380086, Tbilisi, Georgia 11. Nuclear Physics Institute, Moscow State University, 119899, Moscow, Russia |
| Abstract: | Results on the multiplicity structure of diffractively excited meson and proton systems in À+/K+p interactions at 250 GeV/c are presented for diffractive masses up to about 9 GeV. The energy dependence of the average charge multiplicity and the shape of the multiplicity distribution in terms of KNO-scaling and negative binomial distribution are investigated. The diffractive systems are compared toe+e–,lh and non-diffractivehh final states as suggested by modern approaches of the Pomeron-hadron collision. Systematic differences are found between diffractive meson and proton systems but also between diffraction and the reactions compared to. |
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