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Titolo:
(Non) thermal aspects of charmonium production and a new look at J/psi suppression
Autore:
Braun-Munzinger, P; Stachel, J;
Indirizzi:
Gesell Schwerionenforsch, D-64291 Darmstadt, Germany Gesell Schwerionenforsch Darmstadt Germany D-64291 91 Darmstadt, Germany Univ Heidelberg, Inst Phys, D-69120 Heidelberg, Germany Univ Heidelberg Heidelberg Germany D-69120 , D-69120 Heidelberg, Germany
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 3-4, volume: 490, anno: 2000,
pagine: 196 - 202
SICI:
0370-2693(20001005)490:3-4<196:(TAOCP>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
NUCLEUS-NUCLEUS COLLISIONS; DRELL-YAN PRODUCTION; PLUS PB COLLISIONS; QUARK-GLUON-PLASMA; SPS ENERGIES; 158 GEV/C; PSI'; EQUILIBRATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Braun-Munzinger, P Gesell Schwerionenforsch, D-64291 Darmstadt, Germany Gesell Schwerionenforsch Darmstadt Germany D-64291 ny
Citazione:
P. Braun-Munzinger e J. Stachel, "(Non) thermal aspects of charmonium production and a new look at J/psi suppression", PHYS LETT B, 490(3-4), 2000, pp. 196-202

Abstract

To investigate a recent proposal that J/psi production in ultra-relativistic nuclear collisions is of thermal origin we have reanalyzed the data fromthe NA38/50 Collaboration within a thermal model including charm. Comparison of the calculated with measured yields demonstrates the cion-thermal origin of hidden charm production at SPS energy. However, the ratio psi'/(J/psi) exhibits, in central nucleus-nucleus collisions, thermal features which lead us to a new interpretation of open charm and charmonium production at SPS energy. Implications for RHIC and LHC energy measurements will he discussed. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 30/03/20 alle ore 00:43:48