Charged-Higgs-boson production at the LHC: Next-to-leading-order supersymmetric QCD corrections

被引：59
作者：
Dittmaier, Stefan [1 ,2 ]
Kraemer, Michael [3 ]
Spira, Michael [4 ]
Walser, Manuel [4 ]
机构：
[1] Univ Freiburg, Inst Phys, D-79104 Freiburg, Germany
[2] Werner Heisenberg Inst, Max Planck Inst Phys, D-80805 Munich, Germany
[3] Rhein Westfal TH Aachen, Inst Theoret Particle Phys & Cosmol, D-52056 Aachen, Germany
[4] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
来源：
PHYSICAL REVIEW D | 2011年 / 83卷 / 05期
关键词：
ELECTROWEAK SYMMETRY-BREAKING; RADIATIVE-CORRECTIONS; BROKEN SYMMETRIES; MASS; QUARK; ASSOCIATION; REDUCTION; SEARCH; MSSM;
D O I：
10.1103/PhysRevD.83.055005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The dominant production process for heavy charged-Higgs bosons at the LHC is the associated production with heavy quarks. We have calculated the next-to-leading-order supersymmetric QCD corrections to charged-Higgs production through the parton processes q (q) over bar, gg -> tbH +/- and present results for total cross sections and differential distributions. The QCD corrections reduce the renormalization and factorization scale dependence and thus stabilize the theoretical predictions. We present a comparison of the next-to-leading-order results for the inclusive cross section with a calculation based on bottom-gluon fusion gb -> tH +/- and discuss the impact of the next-to-leading-order corrections on charged-Higgs searches at the LHC.
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页数：13
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