Abstract
A search for Secluded Dark Matter annihilation in the Sun using 2007–2012 data of the ANTARES neutrino telescope is presented. Three different cases are considered: a) detection of dimuons that result from the decay of the mediator, or neutrino detection from: b) mediator that decays into a dimuon and, in turn, into neutrinos, and c) mediator that decays directly into neutrinos. As no significant excess over background is observed, constraints are derived on the dark matter mass and the lifetime of the mediator.
Highlights
Even for short-lived mediators that decay before reaching the Earth, neutrinos from the products of mediator decays could be detected in neutrino telescopes as well
The analysis treats the different mediator decay products: a) direct detection of dimuons b) neutrinos from decays of dimuons produced by mediators that decay before reaching the Earth c) neutrinos produced by mediators that decay directly to neutrinos and antineutrinos
After the optimisation of the flux sensitivities using the Model Rejection Factor (MRF) with scrambled data, the data coming from the Sun direction was unblinded
Summary
A search for Secluded Dark Matter annihilation in the Sun using 2007–2012 data of the ANTARES neutrino telescope is presented. The analysis procedure is similar to the previous ANTARES search for DM annihilation in the Sun [4], but optimising the search for the expected signal in the case of SDM.
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