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Non-standard interactions using the OPERA experiment

Identifieur interne : 000288 ( PascalFrancis/Curation ); précédent : 000287; suivant : 000289

Non-standard interactions using the OPERA experiment

Auteurs : Mattias Blennow [Allemagne] ; Davide Meloni [Italie] ; Tommy Ohlsson [Suède] ; Francesco Terranova [Italie] ; Mattias Westerberg [Suède]

Source :

RBID : Pascal:08-0468099

Descripteurs français

English descriptors

Abstract

We investigate the implications of non-standard interactions on neutrino oscillations in the OPERA experiment. In particular, we study the non-standard interaction parameter εμτ. We show that the OPERA experiment has a unique opportunity to reduce the allowed region for this parameter compared with other experiments such as the MI-NOS experiment, mostly due to the higher neutrino energies in the CNGS beam compared to the NuMI beam. We find that OPERA is mainly sensitive to a combination of standard and non-standard parameters and that a resulting anti-resonance effect could suppress the expected number of events. Furthermore, we show that running OPERA for five years each with neutrinos and anti-neutrinos would help in resolving the degeneracy between the standard parameters and εμτ. This scenario is significantly better than the scenario with a simple doubling of the statistics by running with neutrinos for ten years.
pA  
A01 01  2    @0 1434-6044
A05       @2 56
A06       @2 4
A08 01  1  ENG  @1 Non-standard interactions using the OPERA experiment
A11 01  1    @1 BLENNOW (Mattias)
A11 02  1    @1 MELONI (Davide)
A11 03  1    @1 OHLSSON (Tommy)
A11 04  1    @1 TERRANOVA (Francesco)
A11 05  1    @1 WESTERBERG (Mattias)
A14 01      @1 Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Föhringer Ring 6 @2 80805 Munich @3 DEU @Z 1 aut.
A14 02      @1 Dipartimento di Fisica, Universitá di Roma Tre and INFN Sez. di Roma Tre, Via della Vasca Navale 84 @2 00146 Rome @3 ITA @Z 2 aut.
A14 03      @1 Department of Theoretical Physics, School of Engineering Sciences, Royal Institute of Technology-AlbaNova University Center, Roslagstullsbacken 21 @2 106 91 Stockholm @3 SWE @Z 3 aut. @Z 5 aut.
A14 04      @1 Laboratori Nazionali di Frascati dell'INFN, Via E. Fermi 40 @2 00044 Frascati @3 ITA @Z 4 aut.
A20       @1 529-536
A21       @1 2008
A23 01      @0 ENG
A43 01      @1 INIST @2 27152 @5 354000185828180070
A44       @0 0000 @1 © 2008 INIST-CNRS. All rights reserved.
A45       @0 37 ref.
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A60       @1 P
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A64 01  2    @0 The European physical journal. C, Particles and fields
A66 01      @0 DEU
C01 01    ENG  @0 We investigate the implications of non-standard interactions on neutrino oscillations in the OPERA experiment. In particular, we study the non-standard interaction parameter εμτ. We show that the OPERA experiment has a unique opportunity to reduce the allowed region for this parameter compared with other experiments such as the MI-NOS experiment, mostly due to the higher neutrino energies in the CNGS beam compared to the NuMI beam. We find that OPERA is mainly sensitive to a combination of standard and non-standard parameters and that a resulting anti-resonance effect could suppress the expected number of events. Furthermore, we show that running OPERA for five years each with neutrinos and anti-neutrinos would help in resolving the degeneracy between the standard parameters and εμτ. This scenario is significantly better than the scenario with a simple doubling of the statistics by running with neutrinos for ten years.
C02 01  3    @0 001B10
C03 01  3  FRE  @0 Interaction neutrino @5 26
C03 01  3  ENG  @0 Neutrino interactions @5 26
C03 02  3  FRE  @0 Oscillation neutrino @5 27
C03 02  3  ENG  @0 Neutrino oscillations @5 27
C03 03  X  FRE  @0 Paramètre interaction @5 28
C03 03  X  ENG  @0 Interaction parameter @5 28
C03 03  X  SPA  @0 Parámetro interacción @5 28
C03 04  3  FRE  @0 Neutrino @5 29
C03 04  3  ENG  @0 Neutrinos @5 29
C03 05  3  FRE  @0 Résonance @5 30
C03 05  3  ENG  @0 Resonance @5 30
C03 06  3  FRE  @0 Dégénérescence @5 31
C03 06  3  ENG  @0 Degeneration @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 Particule élémentaire @5 33
C03 08  3  ENG  @0 Elementary particles @5 33
C03 09  3  FRE  @0 Particule sans masse @5 34
C03 09  3  ENG  @0 Massless particles @5 34
N21       @1 301
N44 01      @1 OTO
N82       @1 OTO

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Le document en format XML

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