OperaV1, Main, Curation, bibRecord, 000853

Superluminal velocity through near-maximal neutrino oscillations or by being off shell

Identifieur interne : 000853 ( Main/Curation ); précédent : 000852; suivant : 000854

Superluminal velocity through near-maximal neutrino oscillations or by being off shell

Auteurs : Tim R. Morris [Royaume-Uni]

Source :

Journal of Physics G Nuclear and Particle Physics [ 0954-3899 ] ; 2012-04.

RBID : ISTEX:018F1A8D7E43B5791309459D40767777B8531BBC

Descripteurs français

Pascal (Inist)
- Etat propre, Masse neutrino, Masse particule élémentaire, Neutrino, Oscillation neutrino, Particule sans masse, Particule élémentaire, Physique mathématique, Physique nucléaire, Vitesse groupe, Vitesse superluminique.
Wicri :
- topic : Particule élémentaire, Physique nucléaire.

English descriptors

KwdEn :
- Eigenstates, Elementary particle mass, Elementary particles, Group velocity, Massless particles, Mathematical physics, Neutrino mass, Neutrino oscillations, Neutrinos, Nuclear physics, Superluminal velocity.

Abstract

Recently it was suggested that the observation of superluminal neutrinos by the OPERA collaboration may be due to group velocity effects resulting from close-to-maximal oscillation between neutrino mass eigenstates, in analogy to known effects in optics. We show that superluminal propagation does occur through this effect for a series of very narrow energy ranges, but this phenomenon cannot explain the OPERA measurement. Superluminal propagation can also occur if one of the neutrino masses is extremely small. However the effect only has appreciable amplitude at energies of order this mass and thus has negligible overlap with the multi-GeV scale of the experiment.

Url:

https://api.istex.fr/document/018F1A8D7E43B5791309459D40767777B8531BBC/fulltext/pdf

DOI: 10.1088/0954-3899/39/4/045010

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ISTEX:018F1A8D7E43B5791309459D40767777B8531BBC

Le document en format XML

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Superluminal velocity through near-maximal neutrino oscillations or by being off shell

Superluminal velocity through near-maximal neutrino oscillations or by being off shell

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri