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Titolo:
Transverse mass spectra of strange and multi-strange particles in Pb-Pb collisions at 158 A GeV/c
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; Gulino, M; 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; Norman, PI; Pastircak, B; Quercigh, E; Rohrich, D; 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:
CERN, European Lab Particle Phys, CH-1211 Geneva, Switzerland CERN Geneva Switzerland CH-1211 rticle Phys, CH-1211 Geneva, Switzerland 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 Univ Catania, Catania, Italy Univ Catania Catania ItalyUniv Catania, Catania, Italy Ist Nazl Fis Nucl, Catania, Italy Ist Nazl Fis Nucl Catania ItalyIst Nazl Fis Nucl, Catania, Italy 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 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 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 Fisiche 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, IN2P3, Inst Rech Subatom, Strasbourg, France ULP Strasbourg FranceULP, IN2P3, Inst Rech Subatom, Strasbourg, France
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL C
fascicolo: 4, volume: 14, anno: 2000,
pagine: 633 - 641
SICI:
1434-6044(200006)14:4<633:TMSOSA>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-ION COLLISIONS; QUARK-GLUON PLASMA; A-GEV/C; FLOW; ENHANCEMENT; EXPANSION; ENERGIES; SEARCH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Antinori, F CERN, European Lab Particle Phys, CH-1211 Geneva, Switzerland CERN Geneva Switzerland CH-1211 CH-1211 Geneva, Switzerland
Citazione:
F. Antinori et al., "Transverse mass spectra of strange and multi-strange particles in Pb-Pb collisions at 158 A GeV/c", EUR PHY J C, 14(4), 2000, pp. 633-641

Abstract

The WA97 experiment has measured the transverse mass (m(T)) spectra for negative hadrons (h(-)) and strange particles produced at mid-rapidity in Pb-Pb collisions. The increased statistics of analysed data samples allowed usto perform a study of the spectra of K-S(0), Lambda, Xi, Omega and h(-) asa function of the collision centrality. The data, which correspond to the most central 40% of the total inelastic cross section? have been divided into four centrality classes according to the estimated number of nucleons taking part in the collision. The mT spectra, analysed separately for each centrality bin, exhibit only weak (less than or equal to 15%) centrality dependence. The deviation of the Omega inverse slope from the linear dependenceon the particle mass is confirmed even for the most central Pb-Pb collisions.

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Documento generato il 24/11/20 alle ore 14:12:28