Searching for solar KDAR with DUNE
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Data
2021
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Resumo
The observation of 236 MeV muon neutrinos from kaon-decay-at-rest (KDAR)
originating in the core of the Sun would provide a unique signature of dark matter annihila tion. Since excellent angle and energy reconstruction are necessary to detect this monoener getic, directional neutrino flux, DUNE with its vast volume and reconstruction capabilities,
is a promising candidate for a KDAR neutrino search. In this work, we evaluate the proposed
KDAR neutrino search strategies by realistically modeling both neutrino-nucleus interactions
and the response of DUNE. We find that, although reconstruction of the neutrino energy and
direction is difficult with current techniques in the relevant energy range, the superb energy
resolution, angular resolution, and particle identification offered by DUNE can still permit
great signal/background discrimination. Moreover, there are non-standard scenarios in which
searches at DUNE for KDAR in the Sun can probe dark matter interactions.
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Dark matter theory, Neutrino detectors
Citação
ABUD, Adam Abed et al. Searching for solar KDAR with DUNE. Journal of Cosmology and Astroparticle Physics, Bristol, v. 2021, e065, 2021. DOI: 10.1088/1475-7516/2021/10/065. Disponível em: https://iopscience.iop.org/article/10.1088/1475-7516/2021/10/065. Acesso em: 16 maio 2023.