Energy and color flow in dijet rapidity gaps

被引：54

作者：

Oderda, G ^{[1
]}

Sterman, G ^{[1
]}

机构：

[1] SUNY Stony Brook, Inst Theoret Phys, Stony Brook, NY 11794 USA

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 17期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.81.3591

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

When rapidity gaps in high-p, dijet events are identified by energy flow in the central region, they may be calculated from factorized cross sections in perturbative QCD, up to corrections that behave as inverse powers of the central region energy. Although power-suppressed corrections may be important, a perturbative calculation of dijet rapidity gaps in p (p) over bar scattering, using a valence quark approximation, reproduces the overall features observed at the Fermilab Tevatron. in this formulation, the average color content of the hard scattering is well defined. We find that hard dijet rapidity gaps in quark-antiquark scattering are not due to singlet exchange alone. [S0031-9007(98)07371-2].

引用

页码：3591 / 3594

页数：4

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