A Search for Lorentz and CPT Violation Using the T2K Near Detectors

Clifton, Gary Alexander

Contribution to a conference proceedings/Contribution to a book

PUBDB-2016-05612

A Search for Lorentz and CPT Violation Using the T2K Near Detectors

Clifton, G. A. (Corresponding author)

2016
Verlag Deutsches Elektronen-Synchrotron Hamburg
ISBN: 978-3-945931-08-0

Clifton, Gary Alexander "A Search for Lorentz and CPT Violation Using the T2K Near Detectors" in Proceedings, Magellan Workshop: Connecting Neutrino Physics and Astronomy / Dahmke, Stefan K.G., Meyer, Mikko, Vanhoefer, Laura (eds.), Deutsches Elektronen-Synchrotron, DESY : 2016 ; Magellan Workshop, 2016-03-17 - 2016-03-18, Hamburg
Magellan Workshop, Hamburg, Germany, 17 Mar 2016 - 18 Mar 2016 Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-PROC 55-64 (2016) [10.3204/DESY-PROC-2016-05/36]

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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2016-05/36

Abstract: Lorentz symmetry violation (LV) arises when the behavior of a particle depends on its direction or boost velocity. The Standard Model Extension (SME) is a general theoretical framework that includes both General Relativity and the Standard Model while also allowing for the breaking of particle Lorentz symmetry through a set of controlling coefficients. A search for LV at the T2K near detectors with baselines of 280 m is described. The protons-on-target normalized neutrino event rate at the T2K near detectors is used to search for LV using a shape-only analysis via Fast Fourier Transform (FFT) analysis and a binned log-likelihood fit. No indication of LV is observed with either method in the T2K near detector data.

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