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IceCube search for dark matter annihilation in nearby galaxies and galaxy clusters

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Authors
Aartsen, M.
Abbasi, R.
Abdou, Y.
Ackermann, M.
Adams, J.
Aguilar, J.
Ahlers, M.
Altmann, D.
Auffenberg, J.
Bai, X.
Baker, M.
Barwick, S.
Baum, V.
Bay, R.
Beatty, J.
Bechet, S.
Becker Tjus, J.
Becker, K.
Benabderrahmane, M.
Benzvi, S.
Berghaus, P.
Berley, D.
Bernardini, E.
Bernhard, A.
Bertrand, D.
Besson, D.
Binder, G.
Bindig, D.
Bissok, M.
Blaufuss, E.
Blumenthal, J.
Boersma, D.
Bohaichuk, S.
Bohm, C.
Bose, D.
Böser, S.
Botner, O.
Brayeur, L.
Bretz, H.
Brown, A.
Bruijn, R.
Brunner, J.
Carson, Michael
Casey, J.
Casier, M.
Chirkin, D.
Christov, A.
Christy, B.
Clark, K.
Clevermann, F.
Coenders, S.
Cohen, S.
Cowen, D.
Cruz Silva, A.
Danninger, M.
Daughhetee, J.
Davis, J.
Day, M.
De Clercq, C.
De Ridder, S.
Desiati, P.
De Vries, K.
De With, M.
Deyoung, T.
Díaz-Vélez, J.
Dunkman, M.
Eagan, R.
Eberhardt, B.
Eisch, J.
Ellsworth, R.
Euler, S.
Evenson, P.
Fadiran, O.
Fazely, A.
Fedynitch, A.
Feintzeig, J.
Feusels, T.
Filimonov, K.
Finley, C.
Fischer-Wasels, T.
Flis, S.
Franckowiak, A.
Frantzen, K.
Fuchs, T.
Gaisser, T.
Gallagher, J.
Gerhardt, L.
Gladstone, L.
Glüsenkamp, T.
Goldschmidt, A.
Golup, G.
Gonzalez, J.
Goodman, J.
Góra, D.
Grandmont, D.
Grant, D.
Date
2013
Type
Journal Article
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Abstract

We present the results of a first search for self-annihilating dark matter in nearby galaxies and galaxy clusters using a sample of high-energy neutrinos acquired in 339.8 days of live time during 2009/10 with the IceCube neutrino observatory in its 59-string configuration. The targets of interest include the Virgo and Coma galaxy clusters, the Andromeda galaxy, and several dwarf galaxies. We obtain upper limits on the cross section as a function of the weakly interacting massive particle mass between 300 GeV and 100 TeV for the annihilation into bb¯, W+W−, τ+τ−, μ+μ−, and νν¯. A limit derived for the Virgo cluster, when assuming a large effect from subhalos, challenges the weakly interacting massive particle interpretation of a recently observed GeV positron excess in cosmic rays.

Citation
Aartsen, M. and Abbasi, R. and Abdou, Y. and Ackermann, M. and Adams, J. and Aguilar, J. and Ahlers, M. et al. 2013. IceCube search for dark matter annihilation in nearby galaxies and galaxy clusters. Physical Review D - Particles, Fields, Gravitation and Cosmology. 88 (12).
Source Title
Physical Review D - Particles, Fields, Gravitation and Cosmology
URI
DOI
Department
Department of Exploration Geophysics
Remarks

Copyright © 2013 by the American Physical Society

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