Search for Lorentz and CPT violation using sidereal time dependence of neutrino flavor transitions over a short baseline

The T2K Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

A class of extensions of the Standard Model allows Lorentz and CPT violations, which can be identified by the observation of sidereal modulations in the neutrino interaction rate. A search for such modulations was performed using the T2K on-axis near detector. Two complementary methods were used in this study, both of which resulted in no evidence of a signal. Limits on associated Lorentz and CPT violating terms from the Standard Model Extension have been derived taking into account their correlations in this model for the first time. These results imply such symmetry violations are suppressed by a factor of more than 1020 at the GeV scale.

Original languageEnglish
JournalUnknown Journal
Publication statusPublished - Mar 3 2017

ASJC Scopus subject areas

  • General

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