Comparing the Predictions of two Mixed Neutralino Dark Matter Models with the Recent CDMS II Candidate Events

Details Comparing the Predictions of two Mixed Neutralino Dark Matter Models with the Recent CDMS II Candidate Events Comparing the Predictions of two Mixed Neutralino Dark Matter Models with the Recent CDMS II Candidate Events

2010-01-25

arxiv.org/abs/1001.4346v2

Phys.Rev.D81:057701,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages with 2 figures, final version, to be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.81.057701

We consider two optimally mixed neutralino dark matter models, based on nonuniversal gaugino masses, which were recently proposed by us to achieve WMAP compatible relic density over a large part of the MSSM parameter space. We compare the resulting predictions for the spin-independent DM scattering cross-section with the recent CDMS II data, assuming the possibility of the two reported candidate events being signal events. For one model the predicted cross-section agrees with the putative signal over a small part of the parameter space, while for the other the agreement holds over the entire WMAP compatible parameter space of the model.

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