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

Super-Kamiokande Collaboration

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number221301
JournalPhysical Review Letters
Volume120
Issue number22
DOIs
Publication statusPublished - 2018 May 30
Externally publishedYes

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dark matter
sun
electrons
cones
neutrinos
detectors
decay
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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

In: Physical Review Letters, Vol. 120, No. 22, 221301, 30.05.2018.

Research output: Contribution to journalArticle

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abstract = "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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AU - Kachulis, C.

AU - Abe, K.

AU - Bronner, C.

AU - Hayato, Y.

AU - Ikeda, M.

AU - Iyogi, K.

AU - Kameda, J.

AU - Kato, Y.

AU - Kishimoto, Y.

AU - Marti, Ll

AU - Miura, M.

AU - Moriyama, S.

AU - Nakahata, M.

AU - Nakano, Y.

AU - Nakayama, S.

AU - Okajima, Y.

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AU - Pronost, G.

AU - Sekiya, H.

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AU - Sonoda, Y.

AU - Takeda, A.

AU - Takenaka, A.

AU - Tanaka, H.

AU - Tasaka, S.

AU - Tomura, T.

AU - Akutsu, R.

AU - Kajita, T.

AU - Kaneyuki, K.

AU - Nishimura, Yasuhiro

AU - Okumura, K.

AU - Tsui, K. M.

AU - Labarga, L.

AU - Fernandez, P.

AU - Blaszczyk, F. D.M.

AU - Gustafson, J.

AU - Kearns, E.

AU - Raaf, J. L.

AU - Stone, J. L.

AU - Sulak, L. R.

AU - Berkman, S.

AU - Tobayama, S.

AU - Goldhaber, M.

AU - Elnimr, M.

AU - Kropp, W. R.

AU - Mine, S.

AU - Locke, S.

AU - Weatherly, P.

AU - Smy, M. B.

AU - Sobel, H. W.

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