Antideuteron and deuteron production in midcentral Pb+Pb collisions at 158A GeV
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Production of deuterons and antideuterons was studied by the NA49 experiment in the 23.5% most central Pb+Pb collisions at the top CERN Super Proton Synchroton (SPS) energy of √s[subscript NN]=17.3 GeV. Invariant yields for d̅ and d were measured as a function of centrality in the center-of-mass rapidity range −1.2<y<−0.6. Results for d̅ (d) together with previously published p̅ (p) measurements are discussed in the context of the coalescence model. The coalescence parameters B[subscript 2] were deduced as a function of transverse momentum pt and collision centrality.
Date issued
2012-04Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical Review C
Publisher
American Physical Society
Citation
Anticic, T. et al. “Antideuteron and Deuteron Production in Midcentral Pb+Pb Collisions at 158A GeV.” Physical Review C 85.4 (2012). ©2012 American Physical Society
Version: Final published version
ISSN
0556-2813
1089-490X