Electroweak radiative corrections to single top production

被引：11

作者：

Bardin, D. ^{[1
]}

Bondarenko, S. ^{[2
]}

Kalinovskaya, L. ^{[1
,3
]}

Kolesnikov, V. ^{[1
]}

von Schlippe, W. ^{[4
]}

机构：

[1] JINR, Dzhelepov Lab Nucl Problems, Dubna 141980, Russia

[2] JINR, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia

[3] Dubna Int Univ Nat Soc & Man, Higher Math Dept, Dubna 141980, Russia

[4] Petersburg Nucl Phys Inst, Gatchina 188300, Russia

来源：

EUROPEAN PHYSICAL JOURNAL C | 2011年 / 71卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

ONE-LOOP CORRECTIONS; DRELL-YAN PROCESS; CHARGED CURRENT; SANC; LHC;

D O I：

10.1140/epjc/s10052-010-1533-x

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Radiative corrections to the single top s and t channel production processes are revisited. Complete one-loop electroweak corrections are calculated within the SANC system. New is a study of the regularization of the top-leg associated infrared divergences with aid of the complex mass of the top quark. A comparison of these electroweak corrections with those computed by the conventional method is presented both for top production and decays. Standard FORM and FORTRAN SANC modules are created. These modules are compiled into a package sanc_cc_v1.40, which may be downloaded from the SANC project home-pages. Many numerical results are presented at the partonic level with the aim to demonstrate the correct working of the modules. These modules are intended to be used in Monte Carlo generators for single top production at the LHC. Where possible, we compare our results with those existing in the literature; in particular, a comprehensive comparison with results of the CompHEP system is given.

引用

页码：1 / 14

页数：14

共 24 条

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