Heavy mass expansion, light-by-light scattering and the anomalous magnetic moment of the muon

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dc.creatorKühn, J. H.
dc.creatorOnishchenko, A. I.
dc.creatorPivovarov, A. A.
dc.creatorVeretin, O. L.
dc.date2003-01-19
dc.date.accessioned2026-07-07T12:52:28Z
dc.date.available2026-07-07T12:52:28Z
dc.descriptionContributions from light-by-light scattering to (g_μ-2)/2, the anomalous magnetic moment of the muon, are mediated by the exchange of charged fermions or scalar bosons. Assuming large masses M for the virtual particles and employing the technique of large mass expansion, analytical results are obtained for virtual fermions and scalars in the form of a series in (m_μ/M)^2. This series is well convergent even for the case M=m_μ. For virtual fermions, the expansion confirms published analytical formulae. For virtual scalars, the result can be used to evaluate the contribution from charged pions. In this case our result confirms already available numerical evaluations, however, it is significantly more precise.
dc.descriptionrevtex4, eps figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0301151
dc.identifierhttp://arxiv.org/abs/hep-ph/0301151
dc.identifierPhys.Rev.D68:033018,2003
dc.identifierdoi:10.1103/PhysRevD.68.033018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223305
dc.subjectHigh Energy Physics - Phenomenology
dc.titleHeavy mass expansion, light-by-light scattering and the anomalous magnetic moment of the muon
dc.typetext

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