期刊
NUCLEAR PHYSICS B
卷 825, 期 1-2, 页码 119-150出版社
ELSEVIER
DOI: 10.1016/j.nuclphysb.2009.09.018
关键词
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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(1)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. (C) 2009 Elsevier B.V. All rights reserved.
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