OperaV1, PascalFrancis, Curation, bibRecord, 000426

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

Identifieur interne : 000426 ( PascalFrancis/Curation ); précédent : 000425; suivant : 000427

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 : (Print) [ 0954-3899 ] ; 2012.

RBID : Pascal:12-0189172

Descripteurs français

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

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.

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A08	`01`	`1`	`ENG`	`@1 Superluminal velocity through near-maximal neutrino oscillations or by being off shell`
A11	`01`	`1`		`@1 MORRIS (Tim R.)`
A14	`01`			`@1 School of Physics and Astronomy, University of Southampton Highfield @2 Southampton, SO17 1BJ @3 GBR @Z 1 aut.`
A20				`@2 045010.1-045010.13`
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A23	`01`			`@0 ENG`
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A64	`01`	`1`		`@0 Journal of physics. G. Nuclear and particle physics : (Print)`
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C01	`01`		`ENG`	@0 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.
C02	`01`	`3`		`@0 001B20`
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C03	`01`	`3`	`FRE`	`@0 Vitesse superluminique @5 26`
C03	`01`	`3`	`ENG`	`@0 Superluminal velocity @5 26`
C03	`02`	`3`	`FRE`	`@0 Oscillation neutrino @5 27`
C03	`02`	`3`	`ENG`	`@0 Neutrino oscillations @5 27`
C03	`03`	`3`	`FRE`	`@0 Neutrino @5 28`
C03	`03`	`3`	`ENG`	`@0 Neutrinos @5 28`
C03	`04`	`3`	`FRE`	`@0 Vitesse groupe @5 29`
C03	`04`	`3`	`ENG`	`@0 Group velocity @5 29`
C03	`05`	`3`	`FRE`	`@0 Etat propre @5 30`
C03	`05`	`3`	`ENG`	`@0 Eigenstates @5 30`
C03	`06`	`3`	`FRE`	`@0 Masse neutrino @5 31`
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C03	`07`	`3`	`FRE`	`@0 Physique mathématique @5 32`
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C03	`08`	`3`	`FRE`	`@0 Physique nucléaire @5 33`
C03	`08`	`3`	`ENG`	`@0 Nuclear physics @5 33`
C03	`09`	`3`	`FRE`	`@0 Particule sans masse @5 34`
C03	`09`	`3`	`ENG`	`@0 Massless particles @5 34`
C03	`10`	`3`	`FRE`	`@0 Masse particule élémentaire @5 35`
C03	`10`	`3`	`ENG`	`@0 Elementary particle mass @5 35`
C03	`11`	`3`	`FRE`	`@0 Particule élémentaire @5 36`
C03	`11`	`3`	`ENG`	`@0 Elementary particles @5 36`
N21				`@1 149`
N44	`01`			`@1 OTO`
N82				`@1 OTO`

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Le document en format XML

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<front><div type="abstract" xml:lang="en">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.</div>
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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)

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