Improved limit on electron neutrino charge radius through a new evaluation of the weak mixing angle

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dc.creatorBarranco, J.
dc.creatorMiranda, O. G.
dc.creatorRashba, T. I.
dc.date2007-07-29
dc.date2008-04-22
dc.date.accessioned2026-07-07T11:52:50Z
dc.date.available2026-07-07T11:52:50Z
dc.descriptionWe have obtained a new limit on the electron neutrino effective charge radius from a new evaluation of the weak mixing angle by a combined fit of all electron-(anti)neutrino electron elastic scattering measurements. Weak mixing angle is found to be sin^2 theta_W=0.259 \pm 0.025 in the low energy regime below 100 MeV. The electron neutrino charge radius squared is bounded to be in the range -0.13 10^-32 cm^2 < r^2 < 3.32 10^-32 cm^2 at 90 % C.L. Both results improve previously published analyses. We also discuss perspectives of future experiments to improve these constraints.
dc.description10 pages, 2 figures. Final published version
dc.identifierhttps://arxiv.org/abs/0707.4319
dc.identifierhttp://arxiv.org/abs/0707.4319
dc.identifierPhys.Lett.B662:431-435,2008
dc.identifierdoi:10.1016/j.physletb.2008.03.039
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204323
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleImproved limit on electron neutrino charge radius through a new evaluation of the weak mixing angle
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