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T: Fachverband Teilchenphysik

T 77: Jenseits des Standardmodells (Theorie) 2

T 77.9: Talk

Wednesday, March 26, 2014, 18:45–19:00, P6

Search for dark matter at the LHC and with astrophysical experiments — •Leila Ali Cavasonza and Michael Kraemer — RWTH Aachen, Germany

The search for new physics beyond the Standard Model is one of the central goals of current and future experiments in particle and astroparticle physics. A particularly exciting challenge is the exploration of the nature of dark matter. Weakly interacting massive particles (WIMPs) are predicted in many well-motivated extensions of the Standard Model, like SUSY, and provide a natural candidate for cold dark matter. Searches for WIMPs can be carried out at colliders, in the framework of a concrete model, and through direct and indirect detection. A particularly exciting aspect of current and future searches is the complementarity of these different search methods. In indirect detection one searches for dark matter annihilation products which would produce secondary antimatter particles like positrons or anti-protons in cosmic rays. Such antimatter particles can be detected with the AMS experiment, which is currently taking data on the International Space Station ISS. AMS is measuring various spectra on antimatter particles with unprecedented precision and thus offers new opportunities to detect dark matter or exclude certain regions of the parameter space of new physics models. In this context we investigate the interplay between LHC searches for dark matter and the potential for indirect dark matter detection with the AMS experiment, to obtain new constraints on the SUSY parameter space or on more general new physics models, proposed in the literature.