Astrophysical limitations to the identification of dark matter: Indirect neutrino signals vis-à-vis direct detection recoil rates
作者： Pasquale D. Serpico , Gianfranco Bertone
DOI: 10.1103/PHYSREVD.82.063505
关键词:
摘要: A convincing identification of dark matter (DM) particles can probably be achieved only through a combined analysis different detections strategies, which provides an effective way removing degeneracies in the parameter space DM models. In practice, however, this program is made complicated by fact that strategies depend on physical quantities, or same quantities but way, making treatment systematic errors rather tricky. We discuss here uncertainties recoil rate direct-detection experiments and muon induced neutrinos from annihilations Sun, we show that, contrarily to local density overall cross section scale, irreducible astrophysical affect two rates fashion, therefore limiting our ability reconstruct parameters particles. By varying within their respective such as escape velocity dispersion particles, uncertainty relative strength neutrino signal large factor 2 for typical values parameters, even larger some circumstances.
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