https://doi.org/10.1140/epjc/s10052-021-09598-4
Regular Article - Theoretical Physics
Looking for Lorentz invariance violation (LIV) in the latest long baseline accelerator neutrino oscillation data
Centre for Astro-Particle Physics (CAPP) and Department of Physics, University of Johannesburg, PO Box 524, Auckland Park, 2006, Johannesburg, South Africa
Received:
20
April
2021
Accepted:
28
August
2021
Published online:
6
September
2021
In this paper, we have analysed the latest data from NOA and T2K with the Lorentz invariance violation along with the standard oscillation hypothesis. We have found that the NOA data cannot distinguish between the two hypotheses at confidence level. T2K data and the combined data analysis excludes standard oscillation at . All three cases do not have any hierarchy sensitivity when analysed with LIV. There is a mild tension between the two experiments, when analysed with LIV, as at NOA best-fit is at higher octant but the same for T2K is at lower octant. The present data from accelerator neutrino long baseline experiments lose octant determination sensitivity when analysed with LIV. The tension between the two experiments is also reduced when the data are analysed with LIV.
© The Author(s) 2021
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