Associated production of charged Higgs and top at LHC: the role of the complete electroweak supersymmetric contribution

Details Associated production of charged Higgs and top at LHC: the role of the complete electroweak supersymmetric contribution Associated production of charged Higgs and top at LHC: the role of the complete electroweak supersymmetric contribution

2009-08-10

arxiv.org/abs/0908.1332v2

Phys.Rev.D80:053011,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 5 figures, reference added

Scientific paper

10.1103/PhysRevD.80.053011

The process of charged Higgs production in association with a top quark at the LHC has been calculated at the complete NLO electroweak level both in a Two Higgs Doublets Model and in the Minimal Supersymmetric Standard Model, assuming a mSUGRA breaking scheme. We have numerically explored the size of the one-loop corrections in two typical supersymmetric scenarios, with particular attention to the tan beta dependence, and we have found that they remain perturbatively small but possibly sizable, reaching a 20% limit for extreme values of tan beta, when the complete set of Feynman diagrams is taken into account.

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