Nuclear dependence of single-hadron and dihadron production in p-A interactions at root s=38.8 GeV

被引：8

作者：

Brown, CN

Cooper, WE

Mishra, CS

Kaplan, DM

Preston, RS

Tanikella, V

Isenhower, LD

Sadler, ME

Lederman, LM

Schub, MH

Gidal, G

Kowitt, MS

Luk, KB

Carey, TA

Leitch, MJ

McGaughey, PL

Moss, JM

Peng, JC

Childers, RL

Darden, CW

Teng, PK

机构：

[1] NO ILLINOIS UNIV, DE KALB, IL 60115 USA

[2] ABILENE CHRISTIAN UNIV, ABILENE, TX 79699 USA

[3] UNIV CHICAGO, CHICAGO, IL 60637 USA

[4] LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA

[5] UNIV CALIF BERKELEY, BERKELEY, CA 94720 USA

[6] LOS ALAMOS NATL LAB, LOS ALAMOS, NM 87545 USA

[7] UNIV S CAROLINA, COLUMBIA, SC 29208 USA

[8] ACAD SINICA, INST PHYS, TAIPEI, TAIWAN

来源：

PHYSICAL REVIEW C | 1996年 / 54卷 / 06期

关键词：

D O I：

10.1103/PhysRevC.54.3195

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：

We present a measurement of the W-to-Be per-nucleon cross-section ratio, R(W/Be), for single hadrons and for opposite-sign hadron pairs produced in p-A collisions at root s=38.8 GeV. The data fill in regions of intermediate transverse momentum and dihadron mass that previously have revealed cross-section enhancements for scattering from nuclear targets. When combined with previous measurements, the new results help delineate the dependence of nuclear effects on the kinematic variables p(t), m, and root s. Both the single-hadron and hadron-pair enhancements in R(W/Be) Seen at intermediate values of p(t) and mass decrease with increasing root s, consistent with a multiple-scattering model of parton scattering.

引用

页码：3195 / 3198

页数：4

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