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Dark Matter (DM) may have a relic density that is in part determined by aparticle/antiparticle asymmetry, much like baryons. If this is the case, it canaccumulate in stars like the Sun to sizable number densities and annihilate toStandard Model (SM) particles including neutrinos. We show that the combinationof neutrino telescope and direct detection data can be used in conjunction todetermine or constrain the DM asymmetry from data. Depending on the DM mass,the current neutrino data from Super-K and IceCube give powerful constraints onasymmetric DM unless its fractional asymmetry is $\lesssim 10^{-2}$. Futureneutrino telescopes and detectors like Hyper-K and KM3NeT can search for theresulting signal of high-energy neutrinos from the center of the Sun. Theobservation of such a flux yields information on both the DM-nucleus crosssection but also on the relative abundances of DM and anti-DM.

Detecting Asymmetric Dark Matter in the Sun with Neutrinos