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- W2597665034 abstract "We initiate the study of novel thermal dark matter (DM) scenarios where present- day annihilation of DM in the galactic center produces boosted stable particles in the dark sector. These stable particles are typically a subdominant DM component, but because they are produced with a large Lorentz boost in this process, they can be detected in large volume terrestrial experiments via neutral-current-like interactions with electrons or nuclei. This novel DM signal thus combines the production mechanism associated with indirect detection experiments (i.e. galactic DM annihilation) with the detection mechanism associated with direct detection experiments (i.e. DM scattering o terrestrial targets). Such processes are generically present in multi-component DM scenarios or those with non-minimal DM stabi- lization symmetries. As a proof of concept, we present a model of two-component thermal relic DM, where the dominant heavy DM species has no tree-level interactions with the stan- dard model and thus largely evades direct and indirect DM bounds. Instead, its thermal relic abundance is set by annihilation into a subdominant lighter DM species, and the latter can be detected in the boosted channel via the same annihilation process occurring today. Especially for dark sector masses in the 10 MeV{10 GeV range, the most promising signals are electron scattering events pointing toward the galactic center. These can be detected in experiments designed for neutrino physics or proton decay, in particular Super-K and its upgrade Hyper-K, as well as the PINGU/MICA extensions of IceCube. This boosted DM phenomenon highlights the distinctive signatures possible from non-minimal dark sectors." @default.
- W2597665034 created "2017-04-07" @default.
- W2597665034 creator A5007260627 @default.
- W2597665034 creator A5007882925 @default.
- W2597665034 creator A5014442537 @default.
- W2597665034 creator A5051781797 @default.
- W2597665034 date "2014-05-28" @default.
- W2597665034 modified "2023-09-27" @default.
- W2597665034 title "In)direct Detection of Boosted Dark Matter" @default.
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