The decay Z -> neutrino antineutrino photon in the Standard Model

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dc.creatorHernandez, J. M.
dc.creatorPerez, M. A.
dc.creatorTavares-Velasco, G.
dc.creatorToscano, J. J.
dc.date1999-03-17
dc.date.accessioned2026-07-07T06:26:44Z
dc.date.available2026-07-07T06:26:44Z
dc.descriptionA complete study of the one-loop induced decay Z -> neutrino antineutrino photon is presented within the framework of the Standard Model. The advantages of using a nonlinear gauge are stressed. We have found that the main contributions come from the electric dipole and the magnetic dipole transitions of the Z gauge boson and the neutrino, respectively. We obtain a branching ratio B=7.16E-10, which is about four orders of magnitude smaller than the bound recentely obtained by the L3 collaboration and thus it leaves open a window to search for new physics effects in single-photon decays of the Z boson.
dc.descriptionREVTEX,15 pp, 5 eps figures, Approved for publication in Physical Review D
dc.identifierhttps://arxiv.org/abs/hep-ph/9903391
dc.identifierhttp://arxiv.org/abs/hep-ph/9903391
dc.identifierPhys.Rev. D60 (1999) 013004
dc.identifierdoi:10.1103/PhysRevD.60.013004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/97201
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe decay Z -> neutrino antineutrino photon in the Standard Model
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