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Detectability of weakly interacting dark matter candidates

✍ Scribed by Gintaras Duda

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
432 KB
Volume
49
Category
Article
ISSN
1387-6473

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✦ Synopsis

We have examined the detectability of weakly interacting dark matter candidates that constitute not all, but only a subdominant component of galactic cold dark matter. We find that neutralinos may remain detectable in direct dark matter searches even if they constitute only 1% of the halo dark matter. Regarding indirect detection, we find that upward-going muon fluxes in underground detectors from neutralino annihilations in the Sun and in the Earth can remain above the threshold of detectability of 10 muons/km 2 /yr for neutralinos composing 1% or more of the halo dark matter. Thus if a signal is seen in any of the current dark matter searches it is possible we are only detecting the subdominant component of the total cold dark matter.

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