KAON AND PION-PRODUCTION IN CENTRAL SI+AU COLLISIONS AT 14.6A GEV/C

被引：166

作者：

ABBOTT, T

AKIBA, Y

ALBURGER, D

BEAVIS, D

BETTS, RR

BIRSTEIN, L

BLOOMER, MA

BOND, PD

CHASMAN, C

CHU, YY

COLE, BA

COSTALES, JB

CRAWFORD, HJ

CUMMING, JB

DEBBE, R

DUEK, E

ENGELAGE, J

FUNG, SY

GRODZINS, L

GUSHUE, S

HAMAGAKI, H

HANSEN, O

HAYASHI, S

HOMMA, S

HUANG, HZ

IKEDA, Y

KATCOFF, S

KAUFMAN, S

KIMURA, K

KITAMURA, K

KURITA, K

LEDOUX, RJ

LEVINE, MJ

MIAKE, Y

MORSE, RJ

NAGAMIYA, S

OLNESS, J

PARSONS, CG

REMSBERG, LP

SARABURA, M

SHOR, A

STANKUS, P

STEADMAN, SG

STEPHANS, GSF

SUGITATE, T

TANNENBAUM, MJ

TORIKOSHI, M

VANDIJK, JH

VIDEBAEK, F

VIENT, M

机构：

[1] ARGONNE NATL LAB,DEPT PHYS,ARGONNE,IL 60439

[2] BROOKHAVEN NATL LAB,UPTON,NY 11973

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

[4] COLUMBIA UNIV,NEW YORK,NY 10027

[5] NEVIS LAB,IRVINGTON,NY 10533

[6] HIROSHIMA UNIV,HIROSHIMA 730,JAPAN

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

[8] KYUSHU UNIV,FUKUOKA 812,JAPAN

[9] UNIV CALIF LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550

[10] MIT,NUCL SCI LAB,CAMBRIDGE,MA 02139

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

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 08期

关键词：

28;

D O I：

10.1103/PhysRevLett.64.847

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Semi-inclusive spectra of K±, and p have been measured near midrapidity for central collisions of 14.6A-GeV/c Si28 with Au197 nuclei. The invariant cross sections are all well fit by exponential distributions in transverse mass, within the measured ranges. The and K cross sections can also be fit by Boltzmann distributions. From integrated yields, at midrapidity, the kaon/pion yield ratios are (19.2±;3)% for K+/+ and (3.6±0.8)% for K-/-; the +/- ratio is 1.00±;0.04. © 1990 The American Physical Society.

引用

页码：847 / 850

页数：4

共 26 条

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