Two-loop renormalization group equations in the standard model

Two-loop renormalization group equations in the standard model are recalculated. A new coefficient is found in the beta function of the quartic coupling and a class of gauge invariants is found to be absent in the beta functions of hadronic Yukawa couplings. The two-loop beta function of the Higgs m...

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Bibliographic Details
Published in:Physical review letters 2003-01, Vol.90 (1), p.011601-011601, Article 011601
Main Authors: Luo, Mingxing, Xiao, Yong
Format: Article
Language:English
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Summary:Two-loop renormalization group equations in the standard model are recalculated. A new coefficient is found in the beta function of the quartic coupling and a class of gauge invariants is found to be absent in the beta functions of hadronic Yukawa couplings. The two-loop beta function of the Higgs mass parameter is presented in complete form.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.90.011601