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Titolo:
MULTIPLICITY DEPENDENCE OF PION SOURCE SIZE IN HEAVY-ION COLLISIONS
Autore:
OHNISHI H; BEARDEN IG; BOGGILD H; BOSSEVAIN J; DODD J; ERAZMUS B; ESUMI S; FABJAN CW; FERENC D; FIELDS DE; FRANZ A; GAARDHOJE JJ; HANSEN AG; HANSEN O; HARDTKE D; VANHECKE H; HOLZER EB; HUMANIC TJ; HUMMEL P; JACAK BV; JAYANTI R; KANETA M; KOPYTINE M; LELTCHOUK M; LJUBICIC A; LORSTAD B; MAEDA N; MALINA R; MEDVEDEV A; MURRAY M; NISHIMURA S; OHNISHI H; PAIC G; PANDEY SU; PIUZ F; PLUTA J; POLYCHRONAKOS V; POTEKHIN M; POULARD G; REICHHOLD D; SAKAGUCHI A; SIMONGILLO J; SCHMIDTSORENSEN J; SONDHEIM W; SPEGEL M; SUGITATE T; SULLIVAN JP; SUMI Y; WILLIS WJ; WOLF K; XU N; ZACHARY DS;
Indirizzi:
NIELS BOHR INST,BLEGDAMSVEJ 17 DK-2100 COPENHAGEN DENMARK LOS ALAMOS NATL LAB LOS ALAMOS NM 87545 COLUMBIA UNIV,DEPT PHYS NEW YORK NY 10027 HIROSHIMA UNIV,DEPT PHYS HIGASHIHIROSHIMA 7390046 JAPAN CERN CH-1211 GENEVA 23 SWITZERLAND RUDJER BOSKOVIC INST ZAGREB CROATIA OHIO STATE UNIV,DEPT PHYS COLUMBUS OH 43210 VIENNA TECH UNIV A-1040 VIENNA AUSTRIA LUND UNIV,DEPT PHYS S-22362 LUND SWEDEN TEXAS A&M UNIV COLLEGE STN TX 77843 BROOKHAVEN NATL LAB UPTON NY 11973
Titolo Testata:
Progress of theoretical physics. Supplement
fascicolo: 129, , anno: 1997,
pagine: 161 - 165
SICI:
0375-9687(1997):129<161:MDOPSS>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
CERN SPS; INTERFEROMETRY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
9
Recensione:
Indirizzi per estratti:
Citazione:
H. Ohnishi et al., "MULTIPLICITY DEPENDENCE OF PION SOURCE SIZE IN HEAVY-ION COLLISIONS", Progress of theoretical physics. Supplement, (129), 1997, pp. 161-165

Abstract

HBT interferometry is a well known technique to study the space-time extent of the particle source in heavy ion collisions. The NA44 experiment measures one and two particle spectra of identified pions, kaons and protons around mid-rapidity produced in heavy ion collision at theCERN SPS. We present the relation between charged multiplicity density and the HBT radius parameters in S + Pb collisions at 200 A GeV and Pb + Pb collisions at 158 A GeV. The HBT radius parameter increases asa function of charged multiplicity density in Pb + Pb collisions in asimilar way to that found previously in S + Pb collisions. We will discuss what are can learn about the condition at freeze-out using theseexperimental results.

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Documento generato il 05/12/20 alle ore 16:44:00