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All-flavour search for neutrinos from dark matter annihilations in the Milky Way with IceCube/DeepCore

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Abstract
We present the first IceCube search for a signal of dark matter annihilations in the Milky Way using all-flavour neutrino-induced particle cascades. The analysis focuses on the DeepCore sub-detector of IceCube, and uses the surrounding IceCube strings as a veto region in order to select starting events in the DeepCore volume. We use 329 live-days of data from IceCube operating in its 86-string configuration during 2011-2012. No neutrino excess is found, the final result being compatible with the background-only hypothesis. From this null result, we derive upper limits on the velocity-averaged self-annihilation cross-section, , for dark matter candidate masses ranging from 30 GeV up to 10 TeV, assuming both a cuspy and a flat-cored dark matter halo profile. For dark matter masses between 200 GeV and 10 TeV, the results improve on all previous IceCube results on , reaching a level of 10 cm s, depending on the annihilation channel assumed, for a cusped NFW profile. The analysis demonstrates that all-flavour searches are competitive with muon channel searches despite the intrinsically worse angular resolution of cascades compared to muon tracks in IceCube.
Keywords
TRACK RECONSTRUCTION, PARTICLE PHYSICS, ICECUBE, CANDIDATES, GENERATOR, ENERGIES, HALOS, RAYS

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Chicago
Aartsen, M. G., K. Abraham, M. Ackermann, J. Adams, J. A. Aguilar, M. Ahlers, M. Ahrens, et al. 2016. “All-flavour Search for Neutrinos from Dark Matter Annihilations in the Milky Way with IceCube/DeepCore.” European Physical Journal C 76 (10).
APA
Aartsen, M. G., Abraham, K., Ackermann, M., Adams, J., Aguilar, J. A., Ahlers, M., Ahrens, M., et al. (2016). All-flavour search for neutrinos from dark matter annihilations in the Milky Way with IceCube/DeepCore. EUROPEAN PHYSICAL JOURNAL C, 76(10).
Vancouver
1.
Aartsen MG, Abraham K, Ackermann M, Adams J, Aguilar JA, Ahlers M, et al. All-flavour search for neutrinos from dark matter annihilations in the Milky Way with IceCube/DeepCore. EUROPEAN PHYSICAL JOURNAL C. 2016;76(10).
MLA
Aartsen, M. G., K. Abraham, M. Ackermann, et al. “All-flavour Search for Neutrinos from Dark Matter Annihilations in the Milky Way with IceCube/DeepCore.” EUROPEAN PHYSICAL JOURNAL C 76.10 (2016): n. pag. Print.
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  author       = {Aartsen, M. G. and Abraham, K. and Ackermann, M. and Adams, J. and Aguilar, J. A. and Ahlers, M. and Ahrens, M. and Altmann, D. and Andeen, K. and Anderson, T. and Ansseau, I. and Anton, G. and Archinger, M. and Arguelles, C. and Arlen, T. C. and Auffenberg, J. and Axani, S. and Bai, X. and Barwick, S. W. and Baum, V. and Bay, R. and Beatty, J. J. and Becker~Tjus, J. and Becker, K.-H. and BenZvi, S. and Berghaus, P. and Berley, D. and Bernardini, E. and Bernhard, A. and Besson, D. Z. and Binder, G. and Bindig, D. and Bissok, M. and Blaufuss, E. and Blot, S. and Boersma, D. J. and Bohm, C. and B{\"o}rner, M. and Bos, F. and Bose, D. and B{\"o}ser, S. and Botner, O. and Braun, J. and Brayeur, L. and Bretz, H.-P. and Burgman, A. and Casey, J. and Casier, M. and Cheung, E. and Chirkin, D. and Christov, A. and Clark, K. and Classen, L. and Coenders, S. and Collin, G. H. and Conrad, J. M. and Cowen, D. F. and Cruz~Silva, A. H. and Daughhetee, J. and Davis, J. 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  issn         = {1434-6044},
  journal      = {EUROPEAN PHYSICAL JOURNAL C},
  keyword      = {TRACK RECONSTRUCTION,PARTICLE PHYSICS,ICECUBE,CANDIDATES,GENERATOR,ENERGIES,HALOS,RAYS},
  language     = {eng},
  number       = {10},
  pages        = {14},
  title        = {All-flavour search for neutrinos from dark matter annihilations in the Milky Way with IceCube/DeepCore},
  url          = {http://dx.doi.org/10.1140/epjc/s10052-016-4375-3},
  volume       = {76},
  year         = {2016},
}

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