The 40Ar(n, γ)41Ar reaction

Lycklama, H.; Archer, Norm; Kennett, T. J.

doi:10.1016/0375-9474(67)90350-8

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Cited by 9 publications

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“…Provided the decay pattern of the χ capture state is similar to that of the neutron capture state, the energies of photons in the cascades can be determined from the known data for neutron capture by 40 Ar [37][38][39]. The only difference is that the energy of the first photon in each cascade from dark matter capture will be smaller by ∆m than the energy of the corresponding photon in a neutron capture process.…”

Section: Dunementioning

confidence: 99%

Dark Matter Capture by Atomic Nuclei

Fornal,

Grinstein,

Zhao

2020

Preprint

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We propose a new strategy to search for a particular type of dark matter via nuclear capture. If the dark matter particle carries baryon number, as motivated by a class of theoretical explanations of the matter-antimatter asymmetry of the universe, it can mix with the neutron and be captured by an atomic nucleus. The resulting state de-excites by emitting a single photon or a cascade of photons with a total energy of up to several MeV. The exact value of this energy depends on the dark matter mass. We investigate the prospects for detecting dark matter capture signals in current and future neutrino and dark matter direct detection experiments.

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