High-pT ψψ production as signals for double-parton scattering at hadron colliders

被引：5
|
作者：
Yuan, F [1 ]
Chao, KT
机构：
[1] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
[2] China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1998年 / 24卷 / 06期
关键词：
D O I：
10.1088/0954-3899/24/6/005
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 an analysis of the psi psi production from double-parton (DP) scattering and single-parton (SP) scattering in the large p tau region via colour-octet gluon fragmentation. We find that at the Tevatron the DP psi psi production is at the edge of the detectability at present, and at the LHC, the DP cross section will dominate over the SP cross section in the lower pr(min) region (i.e. pr(min) < 7 GeV). We also conclude that the colour-octet mechanism is of crucial importance to the double J/psi production at high-energy hadron colliders.
引用
收藏
页码：1105 / 1112
页数：8
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