On the radiative corrections to the neutral Higgs boson masses in the NMSSM

Details On the radiative corrections to the neutral Higgs boson masses in the NMSSM On the radiative corrections to the neutral Higgs boson masses in the NMSSM

2009-07-27

arxiv.org/abs/0907.4682v1

Nucl.Phys.B825:119-150,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

34 pages, 5 figures

Scientific paper

10.1016/j.nuclphysb.2009.09.018

We provide a full one-loop calculation of the self energies and tadpoles of the neutral Higgs bosons of the NMSSM. In addition, we compute the two-loop O(alpha_t*alpha_s+alpha_b*alpha_s) corrections to the neutral Higgs boson masses in the effective potential approximation. With respect to earlier calculations, the newly-computed corrections can account for shifts of a few GeV in the light scalar and pseudoscalar masses, and they can also sizeably affect the mixing between singlet and MSSM-like Higgs scalars. Taking these corrections into account will be crucial for a meaningful comparison between the MSSM and NMSSM predictions for the Higgs sector.

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