4.7 Article

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

Journal

PHYSICAL REVIEW D
Volume 83, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.83.055005

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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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