Hamburg 2016 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 79: Neutrinoastronomie IV

T 79.3: Vortrag

Mittwoch, 2. März 2016, 17:20–17:35, VMP9 SR 08

All-Flavor Searches for Solar Dark Matter with the IceCube Neutrino Observatory — •Klaus Wiebe for the IceCube collaboration — Institut für Physik, Universität Mainz, Deutschland

The talk will discuss current limits on dark matter accumulated in the sun with the IceCube Neutrino Observatory, using neutrinos of all flavors. In this context, the reconstruction of cascade-like signatures was significantly improved by the development of a new and efficient resolution estimator algorithm. To obtain limits on signal events - and as such also on the spin-dependent neutralino-proton scattering cross section - an unbinned likelihood approach is employed, using directional and energy information. The dark matter candidate is assumed to be of supersymmetric nature and limits are thus presented in the framework of the pMSSM. The latter was scanned for valid models and the complementarity between direct, indirect and accelerator searches was investigated.