OperaV1, Main, Exploration, bibRecord, 000A32

Superluminal neutrinos in long baseline experiments and SN1987a

Identifieur interne : 000A32 ( Main/Exploration ); précédent : 000A31; suivant : 000A33

Superluminal neutrinos in long baseline experiments and SN1987a

Auteurs : G. Cacciapaglia [France] ; A. Deandrea [France] ; L. Panizzi [France]

Source :

Journal of High Energy Physics [ 1126-6708 ] ; 2011.

RBID : Hal:in2p3-00626337

Abstract

Precise tests of Lorentz invariance in neutrinos can be performed using long baseline experiments such as MINOS and OPERA or neutrinos from astrophysical sources. The MINOS collaboration reported a measurement of the muonic neutrino velocities that hints to super-luminal propagation, very recently confirmed at 6 sigma by OPERA. We consider a general parametrisation which goes beyond the usual linear or quadratic violation considered in quantum-gravitational models. We also propose a toy model showing why Lorentz violation can be specific to the neutrino sector and give rise to a generic energy behaviour E^alpha, where alpha is not necessarily an integer number. Supernova bounds and the preferred MINOS and OPERA regions show a tension, due to the absence of shape distortion in the neutrino bunch in the far detector of MINOS. The energy independence of the effect has also been pointed out by the OPERA results.

Url:

http://hal.in2p3.fr/in2p3-00626337

Affiliations:

Links toward previous steps (curation, corpus...)

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to stream Hal, to step Curation: 000254
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Le document en format XML

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Superluminal neutrinos in long baseline experiments and SN1987a

Superluminal neutrinos in long baseline experiments and SN1987a

Source :

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri