New results on low-mass lepton pair production in Pb-Au collisions at 158 GeV per nucleon

Autor: Y. Panebrattsev, J.P. Wurm, S. Shimanskiy, Peter Glassel, Ch. Fuchs, J. Slivova, J. Rak, S. Voloshin, Johanna Stachel, S. Razin, Th. Ullrich, O. Nix, H. J. Specht, B. Lenkeit, E. Gatti, I. Tserruya, P. Holl, H.W. Kraner, T. Wienold, C. Voigt, C. Weber, Dariusz Czeslaw Miskowiec, W. Schmitz, W. Seipp, F. Ceretto, N. Saveljic, Pavel Rehak, A. Cherlin, E. Socol, Johannes Peter Wessels, A. Drees, M. Messer, G. Agakichiev, V. I. Yurevich, R. Baur, Z. Fraenkel, M. Richter, Ch. Jung, I. Ravinovich, U. Faschingbauer, Peter Braun-Munzinger, H. Appelshäuser, A. Pfeiffer, S. I. Esumi, Marco Sampietro, Jurgen Schukraft
Rok vydání: 1999
Předmět:
Zdroj: Nuclear Physics A. 654:627c-630c
ISSN: 0375-9474
DOI: 10.1016/s0375-9474(00)88514-0
Popis: The CERES/NA45 experiment at the CERN-SPS is dedicated to study the production of e + e − -pairs in ultrarelativistic heavy ion collisions. Compared to extrapolations from results obtained in proton-induced reactions, it has previously observed an enhanced production in S-Au [1] and Pb-Au [2] collisions. To verify this enhancement and to study its properties, higher statistics were accumulated during a runtime in 1996. We report here, for the first time, on the results of this analysis (for details see ref. [3]).
Databáze: OpenAIRE
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