Complete Two Loop Bosonic Contributions to the Muon Lifetime in the Standard Model

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dc.creatorAwramik, M.
dc.creatorCzakon, M.
dc.date2002-08-12
dc.date2002-11-15
dc.date.accessioned2026-07-07T11:31:18Z
dc.date.available2026-07-07T11:31:18Z
dc.descriptionThe last missing correction to the muon lifetime in the Standard Model at O(alpha^2) coming from gauge and Higgs boson loops is presented. The associated contribution to the parameter Delta r in the on-shell scheme ranges from 6 times 10^{-5} to -4 times 10^{-5} for Higgs boson masses from 100 GeV to 1 TeV. This result translates into a shift of the W boson mass which does not exceed +/- 1 MeV in the same range and amounts in particular to approximately -0.8 MeV for a 115 GeV Higgs boson.
dc.description4 pages, 3 figures, references added, final version to appear in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/hep-ph/0208113
dc.identifierhttp://arxiv.org/abs/hep-ph/0208113
dc.identifierPhys.Rev.Lett.89:241801,2002
dc.identifierdoi:10.1103/PhysRevLett.89.241801
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/197222
dc.subjectHigh Energy Physics - Phenomenology
dc.titleComplete Two Loop Bosonic Contributions to the Muon Lifetime in the Standard Model
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