Bound on the tau neutrino magnetic moment from the Super-Kamiokande data

Abstract

It is shown that recent results from the Super-Kamiokande detector constrain the tau neutrino diagonal magnetic moment to ${\mu }_{{\nu }_{\tau }}<1.3\times 10^{-7}{\mu }_B$ for the case of ${\nu }_{\mu }\to {\nu }_{\tau }$ interpretation of the atmospheric neutrino anomaly. It is pointed out that the large magnetic moment of the tau neutrino could affect further understanding of the origin of the anomaly.

7 pages, LaTex. To appear in Phys.Lett.B

References in corpus (4)

• Evidence for oscillation of atmospheric neutrinos
• Measurement of a small atmospheric ${\nu }_{\mu }/{\nu }_e$ ratio
• Study of the atmospheric neutrino flux in the multi-GeV energy range
• On mixing angles and magnetic moment of heavy tau neutrino

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• On the Possible Observation of Mirror Matter
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• Neutrino emission in neutron matter from magnetic moment interactions
• High Scale Physics Connection to LHC Data