Examination of direct-photon and pion production in proton-nucleon collisions

被引：26

作者：

Apanasevich, L ^{[1
]}

Begel, M

Bromberg, C

Ferbel, T

Ginther, G

Huston, J

Kuhlmann, SE

Slattery, P

Zielinski, M

Zutshi, V

机构：

[1] Michigan State Univ, E Lansing, MI 48824 USA

[2] Argonne Natl Lab, Argonne, IL 60439 USA

[3] Univ Rochester, Rochester, NY 14627 USA

来源：

PHYSICAL REVIEW D | 2001年 / 63卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.63.014009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a study of inclusive direct-photon and pion production in hadronic interactions, focusing on a comparison of the ratio of gamma/pi (o) yields with expectations from next-to-leading order perturbative QCD. We also examine the impact of a phenomenological model involving k(T) smearing (which approximates effects of additional soft-gluon emission) on absolute predictions for photon and pion production and their ratio.

引用

页数：7

共 68 条

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