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We present a model-independent interpretation of searches for dark matterannihilation in the Sun using an effective field theory approach. We identify aset of effective operators contributing to spin-dependent scattering of darkmatter with protons in the non-relativistic limit and explore simple newphysics models which would give rise to such operators. Using the limits on thespin-dependent scattering cross-section set by the IceCube collaboration intheir search for dark matter annihilation in the Sun, we derive limits oneffective couplings and corresponding masses of mediating particles. We showthat the effective field theory interpretation of the IceCube searches providesconstraints on dark matter complementary to those from relic densityobservations and searches at the LHC. Finally, we discuss the impact ofastrophysical uncertainties on our results.

Effective field theory interpretation of searches for dark matter annihilation in the Sun with the IceCube Neutrino Observatory