$O(α_s)$ Corrections to $b \bar b \to W^{\pm}H^{\mp}$ at the CERN Large Hadron Collider

Details $O(α_s)$ Corrections to $b \bar b \to W^{\pm}H^{\mp}$ at the CERN Large Hadron Collider $O(α_s)$ Corrections to $b \bar b \to W^{\pm}H^{\mp}$ at the CERN Large Hadron Collider

2001-09-12

arxiv.org/abs/hep-ph/0109103v2

Phys.Rev. D65 (2002) 075015

Physics

High Energy Physics

High Energy Physics - Phenomenology

Initial-gluon contribution added, version to appear in PRD

Scientific paper

10.1103/PhysRevD.65.075015

The $O(\alpha_{s})$ corrections to the cross section for $b \bar b \to W^{\pm}H^{\mp}$ at the LHC are calculated in the minimal supersymmetric standard model (MSSM) in the $\bar{MS}$ and OS (on-mass-shell) renormalization schemes. The results in two schemes are in good agreement. In the $\bar{MS}$ scheme, the QCD corrections are negative and within $ -14% \sim -20%$ for charged Higgs mass up to 1 TeV and $\tan\beta >15$. For $\tan\beta =2$, the magnitude of the QCD corrections can be greater than 30%.

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