Two--Loop Electroweak Corrections to the Muon g-2: a new class of Hadronic Contributions

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dc.creatorPeris, S.
dc.creatorPerrottet, M.
dc.creatorde Rafael, E.
dc.date1995-05-29
dc.date1995-06-12
dc.date.accessioned2026-07-07T10:35:09Z
dc.date.available2026-07-07T10:35:09Z
dc.descriptionWe discuss, within the framework of the Standard Model, the calculation of the two-loop electroweak contributions to the anomalous magnetic moment of the muon involving triangle fermionic loops of leptons and quarks. Because of the large ratios of masses involved, these contributions are rather large. The result we obtain differs from a previous estimate reported in the literature. The discrepancy originates in the cancellation of anomalies in $SU(3)_c\times SU(2)_L\times U(1)_Y$, a cancellation that requires the consideration of both leptons {\it and} quarks within each generation and that had been previously overlooked.
dc.description9 pages, 5 figs., sign error corrected, numerical result changes slightly, note added referring to some recent related work
dc.identifierhttps://arxiv.org/abs/hep-ph/9505405
dc.identifierhttp://arxiv.org/abs/hep-ph/9505405
dc.identifierPhys.Lett.B355:523-530,1995
dc.identifierdoi:10.1016/0370-2693(95)00768-G
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179668
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTwo--Loop Electroweak Corrections to the Muon g-2: a new class of Hadronic Contributions
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