On the two-loop Yukawa corrections to the MSSM Higgs boson masses at large tan(beta)

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dc.creatorDedes, Athanasios
dc.creatorDegrassi, Giuseppe
dc.creatorSlavich, Pietro
dc.date2003-05-12
dc.date2003-10-03
dc.date.accessioned2026-07-07T11:31:25Z
dc.date.available2026-07-07T11:31:25Z
dc.descriptionWe complete the effective potential calculation of the two-loop, top/bottom Yukawa corrections to the Higgs boson masses in the Minimal Supersymmetric Standard Model, by computing the O(at^2 + at*ab + ab^2) contributions for arbitrary values of the bottom Yukawa coupling. We also compute the corrections to the minimization conditions of the effective potential at the same perturbative order. Our results extend the existing O(at^2) calculation, and are relevant in regions of the parameter space corresponding to tan(beta) >> 1. We extend to the Yukawa corrections a convenient renormalization scheme, previously proposed for the O(ab*as) corrections, that avoids unphysically large threshold effects associated with the bottom mass and absorbs the bulk of the corrections into the one-loop expression. For large values of tan(beta), the new contributions can account for a variation of several GeV in the lightest Higgs boson mass.
dc.description19 pages, 4 eps figures. Some formulae corrected in the Appendix
dc.identifierhttps://arxiv.org/abs/hep-ph/0305127
dc.identifierhttp://arxiv.org/abs/hep-ph/0305127
dc.identifierNucl.Phys.B672:144-162,2003
dc.identifierdoi:10.1016/j.nuclphysb.2003.08.033
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/197260
dc.subjectHigh Energy Physics - Phenomenology
dc.titleOn the two-loop Yukawa corrections to the MSSM Higgs boson masses at large tan(beta)
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