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

(T2K Collaboration)

研究成果: Article査読

20 被引用数 (Scopus)

抄録

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 by 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.

本文言語English
論文番号111101
ジャーナルPhysical Review D
95
11
DOI
出版ステータスPublished - 2017 6月 1

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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