Strange meson enhancement in PbPb collisions

I. Bearden, H. Boggild, J. Boissevain, L. Conin, J. Dodd, B. Erazmus, S. Esumi, C. W. Fabjan, D. Ferenc, D. E. Fields, A. Franz, J. J. Gaardhoje, A. G. Hansen, O. Hansen, D. Hardtke, H. Van Hecke, E. B. Holzer, T. J. Humanic, P. Hummel, B. V. JacakR. Jayanti, K. Kaimi, M. Kaneta, T. Kohama, M. L. Kopytine, M. Leltchouk, A. Ljubicic, B. Lörstad, N. Maeda, L. Martin, A. Medvedev, M. Murray, H. Ohnishi, G. Paic, S. U. Pandey, F. Piuz, J. Pluta, V. Polychronakos, M. Potekhin, G. Poulard, D. Reichhold, A. Sakaguchi, J. Schmidt-Sorensen, J. Simon-Gillo, W. Sondheim, T. Sugitate, J. P. Sullivan, Y. Sumi, W. J. Willis, K. L. Wolf, N. Xu, D. S. Zachary

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30 Citations (Scopus)

Abstract

The NA44 Collaboration has measured yields and differential distributions of K+, K-, π+, π- in transverse kinetic energy and rapidity around the center-of-mass rapidity in 158 A GeV/c Pb + Pb collisions at the CERN SPS. A considerable enhancement of K+ production per π is observed, as compared to p + p collisions at this energy. To illustrate the importance of secondary hadron rescattering as an enhancement mechanism, we compare strangeness production at the SPS and AGS with predictions of the transport model RQMD. (C) 1999 Published by 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
Volume471
Issue number1
DOIs
Publication statusPublished - 1999 Dec 23
Externally publishedYes

Keywords

  • Kaon
  • Particle production
  • Pion
  • Quark-gluon plasma
  • Relativistic heavy ion collisions
  • Strangeness enhancement

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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