Antideuteron and deuteron production in midcentral Pb+Pb collisions at 158A GeV

T. Anticic, B. Baatar, D. Barna, J. Bartke, H. Beck, L. Betev, H. Białkowska, C. Blume, M. Bogusz, B. Boimska, J. Book, M. Botje, P. Bunčić, T. Cetner, P. Christakoglou, P. Chung, O. Chvala, J. G. Cramer, V. Eckardt, Z. FodorP. Foka, V. Friese, M. Gadzicki, K. Grebieszkow, C. Höhne, K. Kadija, A. Karev, V. I. Kolesnikov, M. Kowalski, D. Kresan, A. Laszlo, R. Lacey, M. Van Leeuwen, M. MaćKowiak-Pawłowska, M. Makariev, A. I. Malakhov, M. Mateev, G. L. Melkumov, M. Mitrovski, St Mrówczyński, V. Nicolic, G. Pálla, A. D. Panagiotou, W. Peryt, J. Pluta, D. Prindle, F. Pühlhofer, R. Renfordt, C. Roland, G. Roland, M. Rybczyński, A. Rybicki, A. Sandoval, N. Schmitz, T. Schuster, P. Seyboth, F. Siklér, E. Skrzypczak, M. Slodkowski, G. Stefanek, R. Stock, H. Ströbele, T. Susa, M. Szuba, M. Utvić, D. Varga, M. Vassiliou, G. I. Veres, G. Vesztergombi, D. Vranić, Z. Włodarczyk, A. Wojtaszek-Szwarć

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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 d̄ and d were measured as a function of centrality in the center-of-mass rapidity range -1.2<y<-0.6. Results for d̄(d) together with previously published p̄(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.

Original languageEnglish
Article number044913
JournalPhysical Review C - Nuclear Physics
Volume85
Issue number4
DOIs
Publication statusPublished - Apr 10 2012

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Anticic, T., Baatar, B., Barna, D., Bartke, J., Beck, H., Betev, L., Białkowska, H., Blume, C., Bogusz, M., Boimska, B., Book, J., Botje, M., Bunčić, P., Cetner, T., Christakoglou, P., Chung, P., Chvala, O., Cramer, J. G., Eckardt, V., ... Wojtaszek-Szwarć, A. (2012). Antideuteron and deuteron production in midcentral Pb+Pb collisions at 158A GeV. Physical Review C - Nuclear Physics, 85(4), [044913]. https://doi.org/10.1103/PhysRevC.85.044913