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- W1887310347 abstract "If dark matter(DM) dominantly comprises of a massive, non-thermal relic $phi$ (mass $m_phi$), which decays preferentially (with a very long-lifetime) to another, significantly lighter DM particle $chi$, a small non-thermal but highly energetic population of DM may be created around energies $E = m_phi/2$. If $chi$ interacts with nucleons, it is possible that its cross-section, like the neutrino-nucleus coherent cross-section, may be undetectably small at low energies but may rise sharply with energy leading to deep inelastic scattering not dis-similar to neutral current neutrino-nucleon interactions. Thus, its direct detection may be possible via cascades in very large neutrino detectors. IceCube (IC) has recently reported three ultra-high energy PeV cascade events clustered around $1-2$ PeV. We apply this notion to these events and discuss the features which may help discriminate this scenario from one in which only astrophysical neutrinos constitute the IC event sample." @default.
- W1887310347 created "2016-06-24" @default.
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- W1887310347 date "2014-07-11" @default.
- W1887310347 modified "2023-09-27" @default.
- W1887310347 title "Astrophysical neutrinos, PeV events at IceCube, and the Direct Detection of Dark Matter" @default.
- W1887310347 hasPublicationYear "2014" @default.
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