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Titolo:
Production of phi-mesons in p + p, p + Pb and central Pb + Pb collisions at E-beam=158 A GeV
Autore:
Afanasiev, SV; Anticic, T; Bachler, J; Barna, D; Barnby, LS; Bartke, J; Barton, RA; Betev, L; Bialkowska, H; Billmeier, A; Blume, C; Blyth, CO; Boimska, B; Bracinik, J; Brady, FP; Brun, R; Buncic, P; Carr, L; Cebra, D; Cooper, GE; Cramer, JG; Csato, P; Eckardt, V; Eckhardt, F; Ferenc, D; Fischer, HG; Fodor, Z; Foka, P; Freund, P; Friese, V; Ftacnik, J; Gal, J; Ganz, R; Gazdzicki, M; Gladysz, E; Grebieszkow, J; Harris, JW; Hegyi, S; Hlinka, V; Hohne, C; Igo, G; Ivanov, M; Jacobs, P; Janik, R; Jones, PG; Kadija, K; Kolesnikov, VI; Kowalski, M; Lasiuk, B; Levai, P; Malakhov, AI; Margetis, S; Markert, C; Mayes, BW; Melkumov, GL; Mischke, A; Molnar, J; Nelson, JM; Odyniec, G; Oldenburg, MD; Palla, G; Panagiotou, AD; Petridis, A; Pikna, M; Pinsky, L; Poskanzer, AM; Prindle, DJ; Puhlhofer, F; Reid, JG; Renfordt, R; Retyk, W; Ritter, HG; Rohrich, D; Roland, C; Roland, G; Rybicki, A; Sammer, T; Sandoval, A; Sann, H; Semenov, AY; Schafer, E; Schmitz, N; Seyboth, P; Sikler, F; Sitar, B; Skrzypczak, E; Snellings, R; Squier, GTA; Stock, R; Strmen, P; Strobele, H; Susa, T; Szarka, I; Szentpetery, I; Sziklai, J; Toy, M; Trainor, TA; Trentalange, S; Ullrich, T; Varga, D; Vassiliou, M; Veres, GI; Vesztergombi, G; Voloshin, S; Vranic, D; Wang, F; Weerasundara, DD; Wenig, S; Whitten, C; Xu, N; Yates, TA; Yoo, IK; Zimanyi, J;
Indirizzi:
Univ Marburg, Fachbereich Phys, D-3550 Marburg, Germany Univ Marburg Marburg Germany D-3550 ereich Phys, D-3550 Marburg, Germany Univ Athens, Dept Phys, Athens, Greece Univ Athens Athens GreeceUniv Athens, Dept Phys, Athens, Greece Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA Univ Calif Berkeley Berkeley CA USA 94720 ley Lab, Berkeley, CA 94720 USA Univ Birmingham, Birmingham, W Midlands, England Univ Birmingham Birmingham W Midlands England ngham, W Midlands, England Slovak Acad Sci, Inst Phys, Bratislava, Slovakia Slovak Acad Sci Bratislava Slovakia ci, Inst Phys, Bratislava, Slovakia Res Inst Particle & Nucl Phys, KFKI, Budapest, Hungary Res Inst Particle &Nucl Phys Budapest Hungary KFKI, Budapest, Hungary CERN, CH-1211 Geneva, Switzerland CERN Geneva Switzerland CH-1211CERN, CH-1211 Geneva, Switzerland Inst Nucl Phys, Krakow, Poland Inst Nucl Phys Krakow PolandInst Nucl Phys, Krakow, Poland GSI Darmstadt, Gesell Schwerionenforsch GmbH, D-6100 Darmstadt, Germany GSI Darmstadt Darmstadt Germany D-6100 h GmbH, D-6100 Darmstadt, Germany Univ Calif Davis, Davis, CA 95616 USA Univ Calif Davis Davis CA USA 95616Univ Calif Davis, Davis, CA 95616 USA Joint Inst Nucl Res, Dubna, Russia Joint Inst Nucl Res Dubna RussiaJoint Inst Nucl Res, Dubna, Russia Univ Frankfurt, Fachbereich Phys, D-6000 Frankfurt, Germany Univ Frankfurt Frankfurt Germany D-6000 Phys, D-6000 Frankfurt, Germany Univ Houston, Houston, TX 77004 USA Univ Houston Houston TX USA 77004Univ Houston, Houston, TX 77004 USA Kent State Univ, Kent, OH 44242 USA Kent State Univ Kent OH USA 44242Kent State Univ, Kent, OH 44242 USA Univ Calif Los Angeles, Los Angeles, CA 90024 USA Univ Calif Los Angeles Los Angeles CA USA 90024 Los Angeles, CA 90024 USA Max Planck Inst Phys, D-80805 Munich, Germany Max Planck Inst Phys Munich Germany D-80805 hys, D-80805 Munich, Germany Inst Nucl Studies, PL-00681 Warsaw, Poland Inst Nucl Studies Warsaw Poland PL-00681 tudies, PL-00681 Warsaw, Poland Univ Warsaw, Inst Expt Phys, Warsaw, Poland Univ Warsaw Warsaw PolandUniv Warsaw, Inst Expt Phys, Warsaw, Poland Univ Washington, Nucl Phys Lab, Seattle, WA 98195 USA Univ Washington Seattle WA USA 98195 Nucl Phys Lab, Seattle, WA 98195 USA Yale Univ, New Haven, CT 06520 USA Yale Univ New Haven CT USA 06520Yale Univ, New Haven, CT 06520 USA Rudjer Boskovic Inst, Zagreb, Croatia Rudjer Boskovic Inst Zagreb Croatia djer Boskovic Inst, Zagreb, Croatia
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 1-2, volume: 491, anno: 2000,
pagine: 59 - 66
SICI:
0370-2693(20001012)491:1-2<59:POPIP+>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
NUCLEUS-NUCLEUS COLLISIONS; CENTRAL PB+PB COLLISIONS; QUARK-GLUON PLASMA; MULTIPARTICLE PRODUCTION; HADRONS; ENHANCEMENT; GEV/C; NA49;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Puhlhofer, F Univ Marburg, Fachbereich Phys, Renthof 5, D-3550 Marburg, Germany Univ Marburg Renthof 5 Marburg Germany D-3550 rburg, Germany
Citazione:
S.V. Afanasiev et al., "Production of phi-mesons in p + p, p + Pb and central Pb + Pb collisions at E-beam=158 A GeV", PHYS LETT B, 491(1-2), 2000, pp. 59-66

Abstract

Yields and phase space distributions of phi -mesons emitted from p + p (minimum bias trigger), p + Pb (at various centralities) and central Pb + Pb collisions are reported (E-beam = 158 A GeV). The decay phi --> K+K- was used for identification. The phi/pi ratio is found to increase by a factor of 3.0 +/- 0.7 from inelastic p + p to central Pb + Pb. Significant enhancement in this ratio is also observed in subclasses of p + p events (characterized by high charged-particle multiplicity) as well as in the forward hemisphere of central p + Pb collisions. In Pb + Pb no shift or significant broadening of the phi -peak is seen. (C) 2000 Published by Elsevier Science B.V.

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Documento generato il 21/01/21 alle ore 04:14:02