Non-standard interactions using the OPERA experiment
Identifieur interne : 001503 ( Main/Exploration ); précédent : 001502; suivant : 001504Non-standard interactions using the OPERA experiment
Auteurs : Mattias Blennow [Allemagne] ; Davide Meloni [Italie] ; Tommy Ohlsson [Suède] ; Francesco Terranova [Italie] ; Mattias Westerberg [Suède]Source :
- The European physical journal. C, Particles and fields [ 1434-6044 ] ; 2008.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Particule élémentaire.
English descriptors
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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.
Affiliations:
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