Investigation of heavy-quark production in proton-nucleus collisions with the HERA-B detector

被引：3
|
作者：
Zaitsev, Yu. M. [1 ]
机构：
[1] Inst Theoret & Expt Phys, Moscow 117289, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2009年 / 72卷 / 04期
关键词：
PRODUCTION CROSS-SECTION; J/PSI PRODUCTION; CHARMONIUM PRODUCTION; TARGET; PSI; PERFORMANCE; UPSILON; COPPER;
D O I：
10.1134/S1063778809040139
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：
Results obtained with the aid of the HERA-B detector, which operated at an internal target in a 920-GeV proton beam of the HERA storage ring at DESY (Hamburg, Germany), are discussed. About 164 million dilepton-triggered and 210 million minimum-bias events were collected over the data-taking time. These vast statistics made it possible to study in detail charmonium production in proton-nucleus collisions. Inclusive cross sections for open-charm, open-beauty, and Upsilon-meson production weremeasured. The results are compared with the respective predictions of theoretical models.
引用
收藏
页码：675 / 689
页数：15
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