Quantum dissipative effects and neutrinos: Current constraints and future perspectives

A. M. Gago, E. M. Santos, W. J.C. Teves, R. Zukanovich Funchal

Research output: Contribution to journalArticlepeer-review

Abstract

We establish the most stringent experimental constraints coming from recent terrestrial neutrino experiments on quantum mechanical decoherence effects in neutrino systems. Taking a completely phenomenological approach, we probe vacuum oscillations plus quantum decoherence between two neutrino species in the channels (Formula presented) (Formula presented) and (Formula presented) admitting that the quantum decoherence parameter γ is related to the neutrino energy (Formula presented) as (Formula presented) with (Formula presented) 0, 1, and 2. Our bounds are valid for a neutrino mass squared difference compatible with the atmospheric, the solar and, in many cases, the LSND scales. We also qualitatively discuss the perspectives of the future long-baseline neutrino experiments to further probe quantum dissipation.

Original languageEnglish
Pages (from-to)11
Number of pages1
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume63
Issue number7
DOIs
StatePublished - 2001
Externally publishedYes

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