Physics
Scientific paper
Oct 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002phdt........16c&link_type=abstract
Thesis (PhD). THE UNIVERSITY OF CHICAGO, Source DAI-B 63/04, p. 1889, Oct 2002, 93 pages.
Physics
Scientific paper
We calculate the flux of high-energy (E > 50 GeV) neutrinos from the annihilations of supermassive (108 GeV < M < 1016 GeV), strongly interacting dark matter particles in the core of the Sun. These particles, known as “simpzillas,” could have been produced in large quantities towards the end of inflation and are a candidate for the non-baryonic dark matter. If they exist, they can be captured by the Sun, and their annihilations within will produce a distinctive neutrino signal observable by proposed Earth-based detectors such as IceCube. We therefore calculate the event rates in a hypothetical km 3 ice detector. We take all significant aspects of neutrino propagation through matter into account, including charged- and neutral-current scattering, oscillations, and charged lepton energy losses. We find, in general, that the neutrino event rate from simpzilla annihilations is significant and detectable over a large range of simpzilla mass and interaction cross section, and can be as much as several hundred thousand per year.
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