Production of phi mesons in central Si-28+Au-196 collisions at 14.6A GeV/c

被引：22

作者：

Akiba, Y

Beavis, D

Berry, P

Britt, HC

Budick, B

Chasman, C

Chen, Z

Chi, CY

Chu, YY

Cianciolo, V

Cole, BA

Costales, JB

Crawford, HJ

Cummings, JB

Debbe, R

Engelage, J

Fung, SY

Gonin, M

Gushue, S

Hamagaki, H

Hansen, O

Hayano, RS

Hayashi, S

Homma, S

Kaneko, H

Kang, J

Kaufman, S

Kehoe, WL

Kurita, K

Ledoux, RJ

Levine, MJ

Miake, Y

Morrison, DP

Morse, RJ

Moskowitz, B

Nagamiya, S

Namboodiri, MN

Nayak, TK

Olness, J

Parsons, CG

Remsberg, LP

Roehrich, D

Rothschild, P

Sakurai, H

Sangster, TC

Seto, R

Soltz, R

Stankus, P

Steadman, SG

Stephans, GSF

机构：

[1] ARGONNE NATL LAB,ARGONNE,IL 60439

[2] BROOKHAVEN NATL LAB,UPTON,NY 11973

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

[4] UNIV CALIF RIVERSIDE,RIVERSIDE,CA 92507

[5] COLUMBIA UNIV,NEW YORK,NY 10027

[6] NEVIS LABS,IRVINGTON,NY 10533

[7] KYOTO UNIV,SAKYO KU,KYOTO 606,JAPAN

[8] KYUSHU UNIV,FUKUOKA 812,JAPAN

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

[10] MIT,CAMBRIDGE,MA 02139

[11] NYU,NEW YORK,NY 10003

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

[13] UNIV TSUKUBA,TSUKUBA,IBARAKI 305,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.76.2021

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Production of the phi meson in central Si + Au collisions has been measured by E859 at the Brookhaven Alternating Gradient Synchrotron by selecting events with identified K+K- pairs. The mass and width of the phi, obtained from the invariant mass distribution of kaon pairs, are consistent with those of free phi mesons. The transverse mass and rapidity distributions are presented. The inverse slope parameter for an exponential fit to the invariant transverse mass distribution is 179 +/- 10 +/- 17 MeV.

引用

页码：2021 / 2024

页数：4

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