AZIMUTHAL CORRELATIONS AS A TEST FOR CENTRALITY IN HEAVY-ION COLLISIONS

被引：30
|
作者：
PHAIR, L
BOWMAN, DR
CARLIN, N
GELBKE, CK
GONG, WG
KIM, YD
LISA, MA
LYNCH, WG
PEASLEE, GF
DESOUZA, RT
TSANG, MB
WILLIAMS, C
ZHU, F
COLONNA, N
HANOLD, K
MCMAHAN, MA
WOZNIAK, GJ
机构：
[1] MICHIGAN STATE UNIV,DEPT PHYS & ASTRON,E LANSING,MI 48824
[2] LAWRENCE BERKELEY LAB,DIV NUCL SCI,BERKELEY,CA 94720
[3] LAWRENCE BERKELEY LAB,DIV ACCELERATOR & FUS RES,BERKELEY,CA 94720
来源：
NUCLEAR PHYSICS A | 1993年 / 564卷 / 03期
关键词：
AU-197(AR-36; X); E=35-110 MEV NUCLEON; AU-197(XE-129; E=50 MEV NUCLEON; MEASURED (PARTICLE)(PARTICLE)(PHI); DEDUCED CENTRAL COLLISIONS SELECTIVITY FEATURES;
D O I：
10.1016/0375-9474(93)90515-Y
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Azimuthal correlations of particles emitted in collisions between Au-197 target nuclei and projectiles Ar-36 (at E/A = 35, 50, 80 and 110 MeV) and Xe-129 (at E/A = 50 MeV) have been measured with the MSU Miniball, a 4pi phoswich array with a low detection threshold. Various impact parameter filters, based on the charge-particle multiplicity, transverse energy and midrapidity charge are tested by their ability to suppress collective motion as measured by the azimuthal correlations. The usefulness of a directivity cut in selecting central collisions for these systems is evaluated.
引用
收藏
页码：453 / 472
页数：20
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