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

Identifieur interne : 000100 ( PascalFrancis/Corpus ); précédent : 000099; suivant : 000101

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

Auteurs : Tim R. Morris

Source :

RBID : Pascal:12-0189172

Descripteurs français

English descriptors

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.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0954-3899
A02 01      @0 JPGPED
A03   1    @0 J. phys., G, Nucl. part. phys. : (Print)
A05       @2 39
A06       @2 4
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
A21       @1 2012
A23 01      @0 ENG
A43 01      @1 INIST @2 577G @5 354000509685110110
A44       @0 0000 @1 © 2012 INIST-CNRS. All rights reserved.
A45       @0 21 ref.
A47 01  1    @0 12-0189172
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of physics. G. Nuclear and particle physics : (Print)
A66 01      @0 GBR
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
C02 02  3    @0 001B10
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
C03 06  3  ENG  @0 Neutrino mass @5 31
C03 07  3  FRE  @0 Physique mathématique @5 32
C03 07  3  ENG  @0 Mathematical physics @5 32
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

Format Inist (serveur)

NO : PASCAL 12-0189172 INIST
ET : Superluminal velocity through near-maximal neutrino oscillations or by being off shell
AU : MORRIS (Tim R.)
AF : School of Physics and Astronomy, University of Southampton Highfield/Southampton, SO17 1BJ/Royaume-Uni (1 aut.)
DT : Publication en série; Niveau analytique
SO : Journal of physics. G. Nuclear and particle physics : (Print); ISSN 0954-3899; Coden JPGPED; Royaume-Uni; Da. 2012; Vol. 39; No. 4; 045010.1-045010.13; Bibl. 21 ref.
LA : Anglais
EA : 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.
CC : 001B20; 001B10
FD : Vitesse superluminique; Oscillation neutrino; Neutrino; Vitesse groupe; Etat propre; Masse neutrino; Physique mathématique; Physique nucléaire; Particule sans masse; Masse particule élémentaire; Particule élémentaire
ED : Superluminal velocity; Neutrino oscillations; Neutrinos; Group velocity; Eigenstates; Neutrino mass; Mathematical physics; Nuclear physics; Massless particles; Elementary particle mass; Elementary particles
LO : INIST-577G.354000509685110110
ID : 12-0189172

Links to Exploration step

Pascal:12-0189172

Le document en format XML

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