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

G. Degrassi; P. Slavich

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

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arxiv 0907.4682 v1 pith:AYAM4CAR submitted 2009-07-27 hep-ph

G. Degrassi , P. Slavich This is my paper

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keywords higgsalphacorrectionsmassesneutralnmssmaccountboson

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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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Is the observed 125 GeV Higgs boson expected to be SM-like in the NMSSM?
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