QCD CORRECTIONS TO HADRONIC W-GAMMA PRODUCTION WITH NONSTANDARD WW-GAMMA COUPLINGS

被引：99

作者：

BAUR, U

HAN, T

OHNEMUS, J

机构：

[1] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510

[2] UNIV DURHAM,DEPT PHYS,DURHAM DH1 3LE,ENGLAND

来源：

PHYSICAL REVIEW D | 1993年 / 48卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.48.5140

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The process pp(-)-->W(+/-)gamma+X-->l(+/-)nu gamma+X is calculated to O(alpha(s) for general CP-conserving WW gamma couplings. At the Fermilab Tevatron center-of-mass energy, the QCD corrections to W gamma production are modest, and the Born and inclusive O(alpha(s)) cross sections have similar sensitivities to the effects of anomalous couplings. At supercollider energies, the inclusive QCD corrections are large at high photon transverse momenta, reducing the sensitivity to nonstandard WW gamma couplings by up to a factor 2. The size of the QCD corrections can be reduced significantly, and a large fraction of the sensitivity lost can be regained, if a jet veto is imposed.

引用

页码：5140 / 5161

页数：22

共 104 条

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