Dark matter, CEνNS and neutrino new physics scrutinized by a statistical method in Xenon-based experiments
arxiv(2024)
摘要
Dark matter direct detection experiments are going to touch the neutrino
floor with a good chance to measure coherent elastic neutrino-nucleus
scattering (CEνNS) and a probe of neutrino-related new physics (νNP).
In this study, we emphatically investigate the simultaneous presence of dark
matter and νNP revealing a response resembling of Standard Model neutrino
backgrounds in Xenon-based dark matter experiments. Demonstrated by three U(1)
extension models, we figure out that dark matter signals can be distinguished
from an excess or a depletion of neutrino contributions from νNP by a
statistically defined distinction method in nuclear and electronic recoil
spectra. We also present the influence of νNP on the exclusion limits for
spin-independent dark matter-nucleon interactions. Our work might pave the way
for new physics discrimination in future dark matter experiments.
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