HAL : in2p3-00275257, version 1

DOI : 10.1103/PhysRevD.77.053014

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Physical Review D 77 (2008) 053014-19

Quantum-gravity decoherence effects in neutrino oscillations: Expected constraints from CNGS and J-PARC

N.E. Mavromatos, A. Meregaglia1, A. Rubbia, A.S. Sakharov2, S. Sarkar

(2008)

Quantum decoherence, the evolution of pure states into mixed states, may be a feature of quantum-gravity models. In most cases, such models lead to fewer neutrinos of all active flavors being detected in a long-baseline experiment as compared to three-flavor standard neutrino oscillations. We discuss the potential of the CNGS and J-PARC beams in constraining models of quantum-gravity induced decoherence using neutrino oscillations as a probe. We use as much as possible model-independent parametrizations, even though they are motivated by specific microscopic models, for fits to the expected experimental data which yield bounds on quantum-gravity decoherence parameters

1 :	DRS-IPHC - Département Recherches Subatomiques
2 :	CERN - European Organization for Nuclear Research

Thème(s)

:

Physique/Physique des Hautes Energies - Théorie

Mot(s)-clé(s) : DYNAMICAL SEMIGROUPS – CPT SYMMETRY – KAON SYSTEM – MECHANICS – EVOLUTION – TESTS – FOAM

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Contributeur : Yvette Heyd <>

Soumis le : Mercredi 23 Avril 2008, 09:30:46

Dernière modification le : Mercredi 23 Avril 2008, 09:40:27