The radiative decay of the massive neutrino in the external electromagnetic fields

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dc.creatorGvozdev, A. A.
dc.creatorMikheev, N. V.
dc.creatorVassilevskaya, L. A.
dc.date1996-10-02
dc.date.accessioned2026-07-07T11:14:41Z
dc.date.available2026-07-07T11:14:41Z
dc.descriptionThe radiative decay of the massive neutrino $ν_i \rightarrow ν_j γ$ is investigated in the framework of the Standard Model in external electromagnetic fields of various configurations: constant crossed field, constant uniform magnetic field, plane monochromatic wave's field. The effect of significant enhancement of the neutrino decay probability by the external field (electromagnetic catalysis) is discussed. An especially strong enhancement occurs in the case of the ultrarelativistic neutrino decay, since in this case the decay probability does not contain suppression caused by the smallness of the decaying neutrino mass. The ultrarelativistic neutrino decay catalysis is significant even in a relatively weak external field ($F/F_e << 1$, where $F_e$ is the critical Schwinger value). The expression for the photon splitting probability into the neutrino pair $γ\rightarrow ν_i \barν_j$ in the wave field is given. The estimations of a number of gamma-quanta produced in a volume filled with an electromagnetic field and the neutrino lifetime in a strong magnetic field are presented.
dc.description33 pages, latex, 3 ps-figures. To be published in Phys. Rev., V. D54
dc.identifierhttps://arxiv.org/abs/hep-ph/9610219
dc.identifierhttp://arxiv.org/abs/hep-ph/9610219
dc.identifierPhys.Rev.D54:5674-5685,1996
dc.identifierdoi:10.1103/PhysRevD.54.5674
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/192154
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe radiative decay of the massive neutrino in the external electromagnetic fields
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