OperaV1, Main, Exploration, bibRecord, 000929

Apparent superluminal neutrino propagation caused by nonlinear coherent interactions in matter

Identifieur interne : 000929 ( Main/Exploration ); précédent : 000928; suivant : 000930

Apparent superluminal neutrino propagation caused by nonlinear coherent interactions in matter

Auteurs : Ram Brustein [Israël, France, Allemagne] ; Dmitri Semikoz [France, Russie]

Source :

Physics letters. Section B [ 0370-2693 ] ; 2012.

RBID : Pascal:12-0224573

Descripteurs français

Pascal (Inist)
- Neutrino muonique, Cohérence quantique, Diffusion avant, Diffusion neutrino, Indice réfraction, Vitesse phase, Interaction neutrino, Vitesse lumière, Oscillation neutrino, Supernova, Particule sans masse, Particule élémentaire.
Wicri :
- topic : Particule élémentaire.

English descriptors

KwdEn :
- Elementary particles, Forward scattering, Light velocity, Massless particles, Muon neutrinos, Neutrino interactions, Neutrino oscillations, Neutrino scattering, Phase velocity, Quantum coherence, Refractive index, Supernovae.

Abstract

Quantum coherence can significantly increase the strength of the forward scattering of neutrinos propagating through the Earth and interacting with matter. The index of refraction of the neutrinos propagating in a medium and hence their phase velocity is determined by the forward scattering. So, depending on the nature of the interaction of neutrinos with matter, their phase velocity can be larger than the speed of light in vacuum. We show that such effects can explain the apparent superluminal propagation of muon neutrinos found recently by the OPERA experiment. Our proposal explains why the neutrino oscillations and the propagation of neutrinos from supernova 1987A are unaffected. It can be verified by changing the amount of neutrino coherence or by changing the composition of matter in which they propagate.

Url:

https://hal.archives-ouvertes.fr/hal-00713440

Affiliations:

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<front><div type="abstract" xml:lang="en">Quantum coherence can significantly increase the strength of the forward scattering of neutrinos propagating through the Earth and interacting with matter. The index of refraction of the neutrinos propagating in a medium and hence their phase velocity is determined by the forward scattering. So, depending on the nature of the interaction of neutrinos with matter, their phase velocity can be larger than the speed of light in vacuum. We show that such effects can explain the apparent superluminal propagation of muon neutrinos found recently by the OPERA experiment. Our proposal explains why the neutrino oscillations and the propagation of neutrinos from supernova 1987A are unaffected. It can be verified by changing the amount of neutrino coherence or by changing the composition of matter in which they propagate.</div>
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Apparent superluminal neutrino propagation caused by nonlinear coherent interactions in matter

Apparent superluminal neutrino propagation caused by nonlinear coherent interactions in matter

Source :

Descripteurs français

English descriptors

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

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