Antideuteron and deuteron production in midcentral Pb+Pb collisions at 158A GeV
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Publication date
2012
Authors
Anticic, T.
Baatar, B.
Botje, M.A.J.
Christakoglou, P.
Leeuwen, M. van
Mischke, A.
Wojtaszek-Szwarc, A.
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Abstract
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 √ sNN = 17.3 GeV. Invariant yields for d and d were measured as a function of centrality in the center-of-mass rapidity range −1.2 <y <−0.6. Results for d(d) together with previously published p(p) measurements are discussed in the context of the coalescence model. The coalescence parameters B2 were deduced as a function of transverse momentum pt and collision centrality.
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Anticic, T, Baatar, B, Botje, M A J, Christakoglou, P, van Leeuwen, M, Mischke, A & Wojtaszek-Szwarc, A 2012, 'Antideuteron and deuteron production in midcentral Pb+Pb collisions at 158A GeV', Physical Review. C, Nuclear physics, vol. 85, 044913, pp. 044913/1-044913/10. https://doi.org/10.1103/PhysRevC.85.044913