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Rapidity spectra of the secondaries produced in heavy ion collisions and the constituent picture of the particles

2004/12/21 by Bhaskar De, S. Bhattacharyya · 2 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #nucl-th

paper · pdf · doi:10.1103/physrevc.71.024903

published as Phys.Rev. C71 (2005) 024903 · Accepted for publication in Physical Review C, a new reference has been added

arxiv created 2004/12/21 · openalex publication_date 2005/02/17 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The present study is both a reanalysis and an extension of the approach initiated by S. Eremin and S. Voloshin [Phys. Rev. C, 67, 064905 (2003)]. We attempt to interpret here the rapidity spectra of the various particles produced in both Pb+Pb and Au+Au collisions at SPS-CERN (Super Proton Synchrotron at Conseil Europ'een pour la Recherche Nucl'eaire) and RHIC-BNL (Relativistic Heavy Ion Collider at Brookhaven National Laboratory). The study made here is wider in scope and is more species specific than earlier ones, and the results obtained here are compared with those found in previous works based on HIJING, VENUS, etc., at various centralities. The study reconfirms that the constituent parton picture of the particles provides a better and more unified description of the rapidity-density yields for the various secondaries, including some light cluster particles such as deuteron, even in heavy ion collisions.

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