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The effective neutrino charge radius

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The effective neutrino charge radius

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dc.contributor.author	Papavassiliou, Joannis
dc.contributor.author	Bernabeu Alberola, José
dc.contributor.author	Binosi, Daniele
dc.contributor.author	Vidal Perona, Jorge
dc.date.accessioned	2014-01-20T11:30:14Z
dc.date.available	2014-01-20T11:30:14Z
dc.date.issued	2004
dc.identifier.citation	Papavassiliou, Joannis; Bernabeu Alberola, José; Binosi, J.; Vidal Perona, Jorge (2004) The effective neutrino charge European Physical Journal C 33 S01 865 867
dc.identifier.uri	http://hdl.handle.net/10550/32411
dc.description.abstract	It is shown that at one-loop order a neutrino charge radius (NCR) may be defined, which is ultraviolet finite, does not depend on the gauge-fixing parameter, nor on properties of the target other than its electric charge. This is accomplished through the systematic decomposition of physical amplitudes into effective self-energies, vertices, and boxes, which separately respect electroweak gauge invariance. In this way the NCR stems solely from an effective proper photon-neutrino one-loop vertex, which satisfies a naive, QED-like Ward identity. The NCR so defined may be extracted from experiment, at least in principle, by expressing a set of experimental electron-neutrino cross-sections in terms of the finite NCR and two additional gauge- and renormalization-group-invariant quantities, corresponding to the electroweak effective charge and mixing angle.
dc.relation.ispartof	European Physical Journal C, 2004, vol. 33, num. S01, p. 865-867
dc.subject	Camps magnètics
dc.subject	Camps de galga (Física)
dc.title	The effective neutrino charge radius
dc.type	journal article	es_ES
dc.date.updated	2014-01-20T11:30:14Z
dc.identifier.doi	10.1140/epjcd/s2003-03-920-7
dc.identifier.idgrec	013972
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1140/epjcd/s2003-03-920-7