Rapidity correlations in π+p, K+p and pp interactions at 250 GeV/c

V. V. Aivazyan*, I. V. Ajinenko, Yu A. Belokopytov, H. Białkowska, L. V. Bravina, H. Böttcher, F. Botterweck, P. V. Chliapnikov, F. Crijns, A. De Roeck, E. A. De Wolf, K. Dziunikowska, A. M F Endler, Z. G. Garutchava, N. G. Grigoryan, T. van Hal, T. Haupt, D. Kisielewska, W. Kittel, F. MeijersA. B. Michałowska, V. I. Nikolaenko, K. Olkiewicz, L. P. Petrovikh, F. K. Rizatdinova, V. M. Ronjin, A. M. Rybin, L. Scholten, E. K. Shabalina, L. N. Smirnova, N. A. Sotnikova, O. G. Tchikilev, L. A. Tikhonova, A. G. Tomaradze, V. A. Uvarov, R. Verbeure, R. Wischnewski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Two- and three-particle rapidity correlations are analyzed in K+p and π+p-interactions at 250 GeV/c. The main contribution to the two- and three-particle correlation functions comes from mixing of events of different multiplicity. The (short range) two-particle correlation remaining after exclusion of mixing is significantly larger for (+-) than for the equal charge combinations, and is positive for a wider range in rapidity difference. FRITIOF and a 2-string DPM are excluded by our data. A quark-gluon (multi-)string model can describe our inclusive correlation function, but needs to be tuned on the short range part. The multiplicity mixing part increases much faster with increasing energy than the short range part. In the central region, our correlation is similar to that observed in e+e- and μp collisions at similar energy.

Original languageEnglish (US)
Pages (from-to)167-178
Number of pages12
JournalZeitschrift für Physik C Particles and Fields
Issue number2
StatePublished - Jun 1991

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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