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Titolo:
Strangeness enhancement at midrapidity in Pb-Pb collisions at 158 A GeV/c:A comparison with VENUS and RQMD models
Autore:
Antinori, F; Bakke, H; Beusch, W; Bloodworth, IJ; Caliandro, R; Carrer, N; Di Bari, D; Di Liberto, S; Elia, D; Evans, D; Fanebust, K; Fini, RA; Ftacnik, J; Ghidini, B; Grella, G; Helstrup, H; Holme, AK; Huss, D; Jacholkowski, A; Jones, GT; Kinson, JB; Knudson, K; Kralik, I; Lenti, V; Lietava, R; Loconsole, RA; Lovhoiden, G; Manzari, V; Mazzoni, MA; Meddi, F; Michalon, A; Michalon-Mentzer, ME; Morando, M; Navach, F; Norman, PI; Pastircak, B; Quercigh, E; Romano, G; Safarik, K; Sandor, L; Segato, G; Staroba, P; Thompson, M; Thorsteinsen, TF; Torrieri, GD; Tveter, TS; Urban, J; Baillie, OV; Virgili, T; Votruba, MF; Zavada, P;
Indirizzi:
Univ Padua, Dipartimento Fis, Padua, Italy Univ Padua Padua ItalyUniv Padua, Dipartimento Fis, Padua, Italy Sez INFN, Padua, Italy Sez INFN Padua ItalySez INFN, Padua, Italy Univ Bari, Dipartimento IA Fis, Bari, Italy Univ Bari Bari ItalyUniv Bari, Dipartimento IA Fis, Bari, Italy Politecn Bari, Bari, Italy Politecn Bari Bari ItalyPolitecn Bari, Bari, Italy Sez INFN, Bari, Italy Sez INFN Bari ItalySez INFN, Bari, Italy Univ Bergen, Inst Fys, Bergen, Norway Univ Bergen Bergen NorwayUniv Bergen, Inst Fys, Bergen, Norway Hogskolen Bergen, Bergen, Norway Hogskolen Bergen Bergen NorwayHogskolen Bergen, Bergen, Norway Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England Univ Birmingham Birmingham W Midlands England ngham, W Midlands, England CERN, European Lab Particle Phys, CH-1211 Geneva, Switzerland CERN Geneva Switzerland CH-1211 rticle Phys, CH-1211 Geneva, Switzerland Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia Slovak Acad Sci Kosice Slovakia 04353 Expt Phys, Kosice 04353, Slovakia Univ haute Alsace, GRPHE, Mulhouse, France Univ haute Alsace Mulhouse France haute Alsace, GRPHE, Mulhouse, France Univ Oslo, Inst Fys, N-0316 Oslo, Norway Univ Oslo Oslo Norway N-0316Univ Oslo, Inst Fys, N-0316 Oslo, Norway Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic Acad Sci Czech Republ Prague Czech Republic hys, Prague, Czech Republic Univ La Sapienza, Dipartimento Fis, I-00185 Rome, Italy Univ La Sapienza Rome Italy I-00185 ipartimento Fis, I-00185 Rome, Italy Sez INFN, Rome, Italy Sez INFN Rome ItalySez INFN, Rome, Italy Univ Salerno, Dipartimento Sci Fis ER Caianiello, I-84100 Salerno, Italy Univ Salerno Salerno Italy I-84100 ER Caianiello, I-84100 Salerno, Italy Ist Nazl Fis Nucl, Salerno, Italy Ist Nazl Fis Nucl Salerno ItalyIst Nazl Fis Nucl, Salerno, Italy ULP, Inst Rech Subatom, IN2P3, Strasbourg, France ULP Strasbourg FranceULP, Inst Rech Subatom, IN2P3, Strasbourg, France
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL C
fascicolo: 1, volume: 11, anno: 1999,
pagine: 79 - 88
SICI:
1434-6044(199911)11:1<79:SEAMIP>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Antinori, F Univ Padua, Dipartimento Fis, Padua, Italy Univ Padua Padua Italy adua, Dipartimento Fis, Padua, Italy
Citazione:
F. Antinori et al., "Strangeness enhancement at midrapidity in Pb-Pb collisions at 158 A GeV/c:A comparison with VENUS and RQMD models", EUR PHY J C, 11(1), 1999, pp. 79-88

Abstract

Recently the WA97 Collaboration has measured K-S(0), Lambda, Xi, Omega andnegative particle yields and transverse mass spectra at central rapidity in Pb-Pb and p-Pb collisions at 158 A GeV/c. These results are compared withthe predictions of two of the most widely used event generators for heavy-ion collisions: VENUS 4.12 and RQMD 2.3. Both models predict that enhancement, increase with the strangeness content of the particle. They fail, however, to reproduce completely the measured values of yields at central rapidity. In particular, for multistrange particles, VENUS fails: to reproduce both the p-Pb and the Pb-Pb data. while RQMD works for p-Pb collisions but seems to be unable to reproduce the Omega data in Pb-Pb collisions. Moreover,the predicted behavior for strangeness production as: a function of the centrality of the collision appears to be different from the observed behavior.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/11/20 alle ore 12:59:28