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Production of deuterium, tritium, and He 3 in central Pb + Pb collisions at 20A, 30A, 40A, 80A, and 158A GeV at the CERN Super Proton Synchrotron

  • NA49 Collaboration
  • Ruder Boskovic Institute
  • Joint Institute for Nuclear Research
  • Institute of Nuclear Physics
  • Goethe University Frankfurt
  • CERN
  • Institute of Nuclear Chemistry and Technology, Warsaw
  • National Institute for Subatomic Physics
  • Stony Brook University
  • Charles University
  • University of Washington
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • Wigner Research Centre for Physics
  • GSI Helmholtz Centre for Heavy Ion Research
  • Jan Kochanowski University in Kielce
  • Warsaw University of Technology
  • Bulgarian Academy of Sciences
  • National and Kapodistrian University of Athens
  • University of Marburg
  • Massachusetts Institute of Technology

Research output: Contribution to journalArticlepeer-review

94 Scopus citations

Abstract

Production of d,t, and He3 nuclei in central Pb+Pb interactions was studied at five collision energies (sNN=6.3, 7.6, 8.8, 12.3, and 17.3 GeV) with the NA49 detector at the CERN Super Proton Synchrotron. Transverse momentum spectra, rapidity distributions, and particle ratios were measured. Yields are compared to predictions of statistical models. Phase-space distributions of light nuclei are discussed and compared to those of protons in the context of a coalescence approach. The coalescence parameters B2 and B3, as well as coalescence radii for d and He3 were determined as a function of transverse mass at all energies.

Original languageEnglish
Article number044906
JournalPhysical Review C
Volume94
Issue number4
DOIs
StatePublished - Oct 13 2016

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