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Search for Boosted Dark Matter Interacting with Electrons in Super-Kamiokande.

08:00 EDT 1st June 2018 | BioPortfolio

Summary of "Search for Boosted Dark Matter Interacting with Electrons in Super-Kamiokande."

A search for boosted dark matter using 161.9 kt yr of Super-Kamiokande IV data is presented. We search for an excess of elastically scattered electrons above the atmospheric neutrino background, with a visible energy between 100 MeV and 1 TeV, pointing back to the Galactic center or the Sun. No such excess is observed. Limits on boosted dark matter event rates in multiple angular cones around the Galactic center and Sun are calculated. Limits are also calculated for a baseline model of boosted dark matter produced from cold dark matter annihilation or decay. This is the first experimental search for boosted dark matter from the Galactic center or the Sun interacting in a terrestrial detector.

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This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 221301

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