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Universal pion freeze-out in heavy-ion collisions

  • D. Adamová
  • , G. Agakichiev
  • , H. Appelshäuser
  • , V. Belaga
  • , P. Braun-Munzinger
  • , A. Castillo
  • , A. Cherlin
  • , S. Damjanović
  • , T. Dietel
  • , L. Dietrich
  • , A. Drees
  • , S. I. Esumi
  • , K. Filimonov
  • , K. Fomenko
  • , Z. Fraenkel
  • , C. Garabatos
  • , P. Glässel
  • , G. Hering
  • , J. Holeczek
  • , V. Kushpil
  • B. Lenkeit, W. Ludolphs, A. Maas, A. Marín, J. Milošević, A. Milov, D. Miśkowiec, Yu Panebrattsev, O. Petchenova, V. Petráček, A. Pfeiffer, J. Rak, I. Ravinovich, P. Rehak, H. Sako, W. Schmitz, J. Schukraft, S. Sedykh, S. Shimansky, J. Slívová, H. J. Specht, J. Stachel, M. Šumbera, H. Tilsner, I. Tserruya, J. P. Wessels, T. Wienold, B. Windelband, J. P. Wurm, W. Xie, S. Yurevich, V. Yurevich
  • Czech Academy of Sciences
  • GSI Helmholtz Centre for Heavy Ion Research
  • Heidelberg University 
  • Joint Institute for Nuclear Research
  • Weizmann Institute of Science
  • CERN
  • Max Planck Institute for Nuclear Physics
  • Brookhaven National Laboratory

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

A universal condition for pion freeze-out from pion interferometry data and single particle yields was derived. Thermal pion freeze-out occurred at a critical mean free path, independent of beam energy. A transition from nucleon to pion dominated freeze-out between AGS and SPS energies was observed.

Original languageEnglish
Article number022301
Pages (from-to)022301/1-022301/4
JournalPhysical Review Letters
Volume90
Issue number2
StatePublished - Jan 17 2003

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