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

页码：453 / 472

页数：20

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