Abstract
We analyze in details the impact of the 10 ντ events seen in the OPERA experiment [1] in constraining the Non Standard Interaction parameter εμτ affecting neutrino propagation in matter and the allowed parameter space of models with one sterile neutrino of the 3+1 type.
Highlights
MeloniDipartimento di Matematica e Fisica, Università di Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy article info
The standard neutrino mixing angles and mass differences have been determined with very good accuracy [2,3,4], neutrino physics remains an interesting field where to search for nonstandard properties beyond those described by the Standard Model (SM)
It is easy to guess that the limited OPERA statistics cannot improve the already stringent bound at 90% Confidence Level (CL) | μτ | < 0.005 [5], it is useful to check the importance of having a sample of τ events at our disposal and understand which τ statistics, efficiencies and energy resolutions might be necessary from future experiments to contribute in a crucial manner to the search for NP in the neutrino sector
Summary
Dipartimento di Matematica e Fisica, Università di Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy article info. Article history: Received 14 November 2018 Received in revised form 21 February 2019 Accepted 21 March 2019 Available online 25 March 2019 Editor: A. We analyze in details the impact of the 10 ντ events seen in the OPERA experiment [1] in constraining the Non Standard Interaction parameter εμτ affecting neutrino propagation in matter and the allowed parameter space of models with one sterile neutrino of the 3 + 1 type
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