Logo image
Back
Neutrino-Antineutrino Conversion from Ultralight Vector Dark Matter
Preprint   Open access

Neutrino-Antineutrino Conversion from Ultralight Vector Dark Matter

Asher Berlin, Rodolfo Capdevilla, Ting Cheng, Matheus Hostert and Pedro A. N Machado
ArXiv.org
Cornell University
05/07/2026
DOI: 10.48550/arxiv.2605.06777
url
https://doi.org/10.48550/arxiv.2605.06777View
Preprint (Author's original) This preprint has not been evaluated by subject experts through peer review. Preprints may undergo extensive changes and/or become peer-reviewed journal articles. Open Access

Abstract

We show that Majorana neutrinos convert into antineutrinos in a background of ultralight vector dark matter coupled to lepton number, such as the gauge boson of U(1)B−L or U(1)Li−Lj with i, j = e, μ, τ . This effect is suppressed by the small neutrino mass, but the enhancement by long astrophysical baselines can enable future searches for solar and supernova neutrinos to explore uncharted parameter space. For instance, for U(1)B−L dark matter, the observation of a supernova neutrino burst at DUNE, Hyper-Kamiokande, and JUNO could probe gauge couplings as small as e′ ∼ 10−32 − 10−25 for dark matter masses of mA′ ∼ 10−22 eV − 10−14 eV, beyond the capability of other future probes.
 Physics - High Energy Astrophysical Phenomena Physics - High Energy Physics - Experiment Physics - High Energy Physics - Phenomenology

Details

Metrics

1 Record Views
Logo image