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Titolo:
Deuteron production in central Pb plus Pb collisions at 158A 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; Struck, C; 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:
Joint Inst Nucl Res, Dubna, Russia Joint Inst Nucl Res Dubna RussiaJoint Inst Nucl Res, Dubna, Russia 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 KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary KFKI Res Inst Particle & Nucl Phys Budapest Hungary , Budapest, Hungary CERN, Geneva, Switzerland CERN Geneva SwitzerlandCERN, Geneva, Switzerland Inst Nucl Phys, Krakow, Poland Inst Nucl Phys Krakow PolandInst Nucl Phys, Krakow, Poland Gesell Schwerionenforsch, Darmstadt, Germany Gesell Schwerionenforsch Darmstadt Germany enforsch, Darmstadt, Germany Univ Calif Davis, Davis, CA 95616 USA Univ Calif Davis Davis CA USA 95616Univ Calif Davis, Davis, CA 95616 USA Univ Frankfurt, Fachbereich Phys, D-6000 Frankfurt, Germany Univ Frankfurt Frankfurt Germany D-6000 Phys, D-6000 Frankfurt, Germany Univ Houston, Houston, TX USA Univ Houston Houston TX USAUniv Houston, Houston, TX 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 USA Univ Calif Los Angeles Los Angeles CA USA s Angeles, Los Angeles, CA USA Univ Marburg, Fachbereich Phys, D-3550 Marburg, Germany Univ Marburg Marburg Germany D-3550 ereich Phys, D-3550 Marburg, Germany 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 USA Yale Univ New Haven CT USAYale Univ, New Haven, CT 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: 486, anno: 2000,
pagine: 22 - 28
SICI:
0370-2693(20000727)486:1-2<22:DPICPP>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-ION COLLISIONS; RELATIVISTIC NUCLEAR COLLISIONS; CENTRAL PB+PB COLLISIONS; HADRON DISTRIBUTIONS; COLLECTIVE EXPANSION; PARTICLE-PRODUCTION; EXPERIMENT NA49; COALESCENCE; MOMENTUM; PARAMETERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
49
Recensione:
Indirizzi per estratti:
Indirizzo: Afanasiev, SV Joint Inst Nucl Res, Dubna, Russia Joint Inst Nucl Res Dubna Russia Nucl Res, Dubna, Russia
Citazione:
S.V. Afanasiev et al., "Deuteron production in central Pb plus Pb collisions at 158A GeV", PHYS LETT B, 486(1-2), 2000, pp. 22-28

Abstract

Experimental results on deuteron emission from central Pb + Pb collisions (E-beam = 158A GeV, fixed target), obtained by NA49 at the CERN SPS accelerator, are presented. The transverse mass in, distribution was measured nearmid-rapidity (2.0 < y < 2.5) in the range of 0 < m(t) - m(0) < 0.9 GeV/c(2) (0 < p(t) < 2.0 GeV/c) for the 4% most central collisions. An exponentialfit gives an inverse slope T-d = (450 +/- 30) MeV and a yield dN(d)/dy = 0.34 +/- 0.03. The coalescence factor B-2 (m(t) = m(0))=(3.5 +/- 1.0) . 10(-4) GeV2 and its m(t)-dependence are deter-mined and discussed in terms of amodel that includes the collective expansion of the source created in a collision. The derived Gaussian size parameter R-G Of the emission volume is consistent with earlier HBT results on the source of pion emission. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 23/01/21 alle ore 03:35:13