EVIDENCE FOR EXPANSION OF A HOT FIREBALL FROM 2-PION CORRELATIONS FOR SI+PB COLLISIONS AT AGS ENERGY

被引：30

作者：

BARRETTE, J

BELLWIED, R

BRAUNMUNZINGER, P

CLELAND, WE

CORMIER, TM

DAVID, G

DEE, J

DIEBOLD, GE

DIETZSCH, O

GERMANI, JV

GILBERT, S

GREENE, SV

HALL, JR

HEMMICK, TK

HERRMANN, N

HONG, B

JAYANANDA, K

KRAUS, D

KUMAR, BS

LACASSE, R

LISSAUER, D

LLOPE, WJ

LUDLAM, TW

MCCORKLE, S

MAJKA, R

MARK, SK

MITCHELL, JT

MUTHUSWAMY, M

OBRIEN, E

PANITKIN, S

PRUNEAU, C

RAO, MN

ROTONDO, F

DASILVA, NC

SONNADARA, U

STACHEL, J

TAKAI, H

TAKAGUI, EM

THROWE, TG

VOLOSHIN, S

WANG, G

WOLFE, D

WOODY, CL

XU, N

ZHANG, Y

ZHANG, Z

ZOU, C

机构：

[1] BROOKHAVEN NATL LAB,UPTON,NY 11973

[2] GESELL SCHWERIONENFORSCH MBH,W-6100 DARMSTADT 11,GERMANY

[3] UNIV NEW MEXICO,ALBUQUERQUE,NM 87131

[4] UNIV PITTSBURGH,PITTSBURGH,PA 15260

[5] SUNY STONY BROOK,STONY BROOK,NY 11794

[6] UNIV SAO PAULO,SAO PAULO,BRAZIL

[7] WAYNE STATE UNIV,DETROIT,MI 48202

[8] YALE UNIV,NEW HAVEN,CT 06511

来源：

PHYSICS LETTERS B | 1994年 / 333卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/0370-2693(94)91004-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The two-pion correlation function has been measured for charged pions produced in central 14.6 A GeV/c Si + Pb collisions at the AGS. Data for like-sign pions show a clear quantum interference effect as expected for identical bosons. The experimental correlation function agrees well with that obtained for events generated by a cascade code (RQMD). The present data are consistent with a time-averaged rms freeze-out radius of 8.3 fm and a mean duration of pion emission of 9 fm/c. The system has expanded considerably before freeze-out.

引用

页码：33 / 38

页数：6

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