期刊
PHYSICS LETTERS B
卷 659, 期 1-2, 页码 149-155出版社
ELSEVIER
DOI: 10.1016/j.physletb.2007.10.064
关键词
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We provide predictions for charmonium and open charm production in nuclear collisions at SPS/FAIR energies within the framework of the statistical hadronization model. The increasing importance at lower energies of Lambda(c) production is demonstrated and provides a challenge for future experiments. We also demonstrate that, because of the large charm quark mass and the different timescales for charm quark and charmed hadron production, possible modifications of charmed hadrons in the hot hadronic medium do not lead to measurable changes in cross sections for D-meson production. A possible influence of medium effects can be seen, however, in yields of charmonium. These effects are visible at all energies and results are presented for the energy range between charm threshold and RHIC energy. (c) 2007 Elsevier B.V. All rights reserved.
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