Dark photon distortions of NO$\nu$A and T2K neutrino oscillations

• DOI: 10.48550/arxiv.2407.13817
• Publication Date: 2024-01-01
• Authors: Alonso-Álvarez, G...; Cline, James M.; Laurent, Benoit; Rahaman, Ushak
• Keywords: High Energy Physics - Phenomenology; High Energy Physics - Experiment (hep-ex); High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO); FOS: Physical sciences; Astrophysics - Cosmology and Nongalactic Astrophysics; High Energy Physics - Experiment

5 pages, 1 figure<br/>Dark photons coupling to $L_μ-L_τ$ lepton number difference are a highly studied light dark matter candidate, with potential to be discovered through their impact on terrestrial neutrino oscillation experiments. We re-examine this in the light of claimed tensions between the NO$ν$A and T2K long baseline experiments, also taking into account data from the MINOS experiment. We obtain leading limits on the $L_μ-L_τ$ gauge coupling $g'$ versus dark photon mass $m_{A'}$, and find no statistically significant alleviation of the tension from inclusion of the new physics effect.<br/>