CENTRALITY DEPENDENCE OF K+ AND PI+ MULTIPLICITIES FROM SI+A COLLISIONS AT 14.6-A GEV/C

被引：15

作者：

ABBOTT, T

AKIBA, Y

BEAVIS, D

BLOOMER, MA

BOND, PD

CHASMAN, C

CHEN, Z

CHU, YY

COLE, BA

COSTALES, JB

CRAWFORD, HJ

CUMMING, JB

DEBBE, R

ENGELAGE, J

FUNG, SY

GONIN, M

GUSHUE, S

HAMAGAKI, H

HANSEN, O

HAYANO, RS

HAYASHI, S

HOMMA, S

HUANG, HZ

IKEDA, Y

JURICIC, I

KANG, J

KATCOFF, S

KAUFMAN, S

KIMURA, K

KITAMURA, K

KURITA, K

LEDOUX, RJ

LEVINE, MJ

MIAKE, Y

MORSE, RJ

MOSKOWITZ, B

NAGAMIYA, S

OLNESS, J

PARSONS, CG

REMSBERG, LP

SAKURAI, H

SARABURA, M

STANKUS, P

STEADMAN, SG

STEPHANS, GSF

SUGITATE, T

TANNENBAUM, MJ

VANDIJK, JH

VIDEBAEK, F

VIENT, M

机构：

[1] UNIV CALIF RIVERSIDE,RIVERSIDE,CA 92521

[2] UNIV TOKYO,INST NUCL STUDY,TOKYO 188,JAPAN

[3] BROOKHAVEN NATL LAB,UPTON,NY 11973

[4] MIT,CAMBRIDGE,MA 02139

[5] UNIV CALIF BERKELEY,SPACE SCI LAB,BERKELEY,CA 94720

[6] UNIV TOKYO,DEPT PHYS,TOKYO 113,JAPAN

[7] KYUSHU UNIV,FUKUOKA 812,JAPAN

[8] COLUMBIA UNIV,NEW YORK,NY 10027

[9] NEVIS LABS,IRVINGTON,NY 10533

[10] ARGONNE NATL LAB,ARGONNE,IL 60439

[11] HIROSHIMA UNIV,HIROSHIMA 730,JAPAN

来源：

PHYSICS LETTERS B | 1992年 / 291卷 / 03期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1016/0370-2693(92)91056-F

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

K+ and pi+ multiplicities have been measured in a magnetic spectrometer for Si+Al, Si+Cu and Si+Au collisions at 14.6 A GeV/c incident momentum. The multiplicities were obtained for rive different windows of forward kinetic energy as detected in a zero degree calorimeter. The K+/pi+ multiplicity ratio ranges from almost-equal-to 9% in peripheral interactions to 19% in central Si+Au. The largest K+/pi+ ratios are observed for those events for each target that leave the least energy in the zero degree calorimeter and the ratio increases with target mass. The observations suggest that multiple interactions are important in the particle production mechanism.

引用

页码：341 / 346

页数：6

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