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    J/psi production in p-A and A-A collisions at fixed target experiments

    Arnaldi, Roberta
    Nucl.Phys.A830:345c-352c,2009 [Peer Reviewed Journal]
    Cornell University
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    Title: J/psi production in p-A and A-A collisions at fixed target experiments
    Author: Arnaldi, Roberta
    Subject: Nuclear Experiment
    Description: Charmonia suppression is one of the main signatures for the formation of a deconfined medium. However, also nuclear effects, not related to the production of a hot medium, can affect the J/psi yield. The determination, from the study of p-A collisions, of the J/psi behaviour in nuclear matter is, therefore, extremely important to correctly quantify the amount of charmonia suppression induced by the deconfined medium. In this paper the new NA60 results collected at 158 GeV incident energy, i.e. under the same kinematical conditions as the In-In (NA60) and Pb-Pb (NA50) data, are presented and compared with p-A measurements from other fixed target experiments. Results on A-A collisions are also reviewed taking into account the new available information on the influence of cold nuclear matter on the J/psi production yield. Finally, results on the J/psi polarization are shown for p-A and A-A collisions. Comment: 8 pages, 8 figures - To appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee
    Is part of: Nucl.Phys.A830:345c-352c,2009
    Identifier: 0907.5004 (ARXIV ID)

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    J/psi production in p-A and A-A collisions at fixed target experiments

    Arnaldi, Roberta
    arXiv.org, Sep 17, 2009 [Peer Reviewed Journal]
    © ProQuest LLC All rights reserved, Engineering Database, Publicly Available Content Database, ProQuest Engineering Collection, ProQuest Technology Collection, ProQuest SciTech Collection, Materials Science & Engineering Database, ProQuest Central (new), ProQuest Central Korea, SciTech Premium Collection, Technology Collection, ProQuest Central Essentials, ProQuest One Academic, Engineering Collection (ProQuest)
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    Title: J/psi production in p-A and A-A collisions at fixed target experiments
    Author: Arnaldi, Roberta
    Contributor: Arnaldi, Roberta (pacrepositoryorg)
    Subject: Collisions ; Nuclear Matter
    Description: Charmonia suppression is one of the main signatures for the formation of a deconfined medium. However, also nuclear effects, not related to the production of a hot medium, can affect the J/psi yield. The determination, from the study of p-A collisions, of the J/psi behaviour in nuclear matter is, therefore, extremely important to correctly quantify the amount of charmonia suppression induced by the deconfined medium. In this paper the new NA60 results collected at 158 GeV incident energy, i.e. under the same kinematical conditions as the In-In (NA60) and Pb-Pb (NA50) data, are presented and compared with p-A measurements from other fixed target experiments. Results on A-A collisions are also reviewed taking into account the new available information on the influence of cold nuclear matter on the J/psi production yield. Finally, results on the J/psi polarization are shown for p-A and A-A collisions.
    Is part of: arXiv.org, Sep 17, 2009
    Identifier: 2331-8422 (E-ISSN); 10.1016/j.nuclphysa.2009.10.030 (DOI)