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Titolo:
MULTIPLICITY DEPENDENCE OF THE PION SOURCE IN S+A COLLISIONS AT THE CERN SPS
Autore:
KAIMI K; BOGGILD H; BOISSEVAIN J; CHERNEY M; DODD J; ESUMI S; FABJAN CW; FIELDS DE; FRANZ A; HOLZER B; HUMANIC TJ; JACAK B; JAYANTI R; KALECHOFSKY H; KOBAYASHI T; LEE YY; LELTCHOUK M; LORSTAD B; MAEDA N; MEDVEDEV A; MIYABAYASHI A; MURRAY M; NISHIMURA S; NOTEBOOM E; PANDEY SU; PIUZ F; POLYCHRONAKOS V; POTEKHIN M; POULARD G; SAKAGUCHI A; SCHMIDTSORENSEN J; SIMONGILLO J; SONDHEIM W; SUGITATE T; SULLIVAN JP; SUMI Y; VANHECKE H; WILLIS WJ; WOLF K; XU N;
Indirizzi:
HIROSHIMA UNIV HIGASHIHIROSHIMA 739 JAPAN NIELS BOHR INST DK-2100 COPENHAGEN DENMARK LOS ALAMOS NATL LAB LOS ALAMOS NM 87545 CREIGHTON UNIV OMAHA NE 68178 COLUMBIA UNIV NEW YORK NY 10027 CERN CH-1211 GENEVA 23 SWITZERLAND OHIO STATE UNIV COLUMBUS OH 43210 NATL LAB HIGH ENERGY PHYS TSUKUBA IBARAKI 305 JAPAN LUND UNIV S-22362 LUND SWEDEN TEXAS A&M UNIV COLLEGE STN TX 77843 BROOKHAVEN NATL LAB UPTON NY 11973
Titolo Testata:
Zeitschrift fur Physik. C, Particles and fields
fascicolo: 4, volume: 75, anno: 1997,
pagine: 619 - 625
SICI:
0170-9739(1997)75:4<619:MDOTPS>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-ION COLLISIONS; BOSE-EINSTEIN CORRELATIONS; SUPERDENSE MATTER; INTERFEROMETRY; HADRON;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
K. Kaimi et al., "MULTIPLICITY DEPENDENCE OF THE PION SOURCE IN S+A COLLISIONS AT THE CERN SPS", Zeitschrift fur Physik. C, Particles and fields, 75(4), 1997, pp. 619-625

Abstract

The emission of pions from relativistic heavy-ion. collisions of S+S,S+Ag and S+Pb at 200 GeV/nucleon is characterized using two-particle interferometry. The multiplicity dependence of the pion source parameters near multiplicity is studied. The transversal (Rt) and longitudinal (RI) pion source parameters are independent of the initial nuclei inthe interaction and increase with increasing multiplicity. This suggests that the freeze-out process is governed mainly by the particle multiplicity, The multiplicity dependence is weaker than that expected from a simple model of a freeze-out at a constant density.

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Documento generato il 05/12/20 alle ore 16:29:13