Sideward flow of K+ mesons in Ru + Ru and Ni + Ni reactions near threshold

P. Crochet, N. Herrmann, K. Winiewski, Y. Leifels, A. Andronic, R. Averbeck, A. Devismes, C. Finck, A. Gobbi, O. Hartmann, K. D. Hildenbrand, P. Koczon, T. Kress, R. Kutsche, W. Reisdorf, D. Schüll, J. P. Alard, V. Barret, Z. Basrak, N. BastidI. Belyaev, A. Bendarag, G. Berek, R. Ćaplar, N. Cindro, P. Dupieux, M. Dželalija, M. Eskef, Z. Fodor, Y. Grishkin, B. Hong, J. Kecskemeti, Y. J. Kim, M. Kirejczyk, M. Korolija, R. Kotte, M. Kowalczyk, A. Lebedev, K. S. Lee, V. Manko, H. Merlitz, S. Mohren, D. Moisa, W. Neubert, A. Nianine, D. Pelte, M. Petrovici, C. Plettner, F. Rami, B. De Schauenburg, Z. Seres, B. Sikora, K. S. Sim, V. Simion, K. Siwek-Wilczyńska, V. Smolyankin, A. Somov, M. Stockmeier, G. Stoicea, M. Vasiliev, P. Wagner, D. Wohlfarth, J. T. Yang, I. Yushmanov, A. Zhilin

Research output: Contribution to journalArticlepeer-review

103 Citations (Scopus)


Experimental data on K+ meson and proton sideward flow measured with the FOPI detector at SIS/GSI in the reactions Ru + Ru at 1.69A GeV and Ni + Ni at 1.93 A GeV are presented. The K+ sideward flow is found to be anti-correlated (correlated) with the one of protons at low (high) transverse momenta. When compared to the predictions of a transport model, the data favour the existence of an in-medium repulsive K+-nucleon potential. (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)6-12
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
Publication statusPublished - 2000 Jul 27

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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