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Neutrinos from WIMP Annihilations
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Theoretical Particle Physics.ORCID iD: 0000-0002-3525-8349
2008 (English)In: Dark Matter in Astroparticle and Particle Physics - Dark 2007: Proceedings of the 6th International Heidelberg Conference / [ed] Hans Volker Klapdor-Kleingrothaus, Geraint F. Lewis, World Scientific Publishing , 2008, 51-59 p.Conference paper (Refereed)
Abstract [en]

In this talk, we make an improved analysis on the production of neutrinos coming from WIMP annihilations inside the Sun as well as the Earth. We treat both neutrino interaction and oscillation effects in aconsistent three-flavor framework. Our numerical simulations are performed in an event-based setting, which is useful for both theoretical studies and creating neutrino telescope Monte Carlo simulations. We find that the yield of muon-type neutrinos is enhanced or suppressed depending on the dominant WIMP annihilation channel. In addition, we find that oscillations can significantly affect the neutrino yields from WIMP annihilations in the Sun. Effectively, the neutrino flavors are mixed. Finally, for the Earth, the oscillations have no large impact at energies for the new neutrino telescopes such as IceCube, ANTARES, and NESTOR.

Place, publisher, year, edition, pages
World Scientific Publishing , 2008. 51-59 p.
Keyword [en]
WIMP annihilations, neutrinos, neutrino interactions, neutrino oscillations
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-34624ScopusID: 2-s2.0-84894185404ISBN: 978-9812814340OAI: diva2:424009
Dark 2007
Swedish Research Council, 621-2005-3588
QC 20110617Available from: 2011-06-17 Created: 2011-06-10 Last updated: 2011-06-17Bibliographically approved

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