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Precise Prediction of the Dark Matter Relic Density within the MSSM

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arxiv 1510.06295 v1 pith:F5DSPPG3 submitted 2015-10-21 hep-ph

Precise Prediction of the Dark Matter Relic Density within the MSSM

classification hep-ph
keywords darkdensitymatterreliccorrectionsmssmorderparameter
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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With the latest Planck results the dark matter relic density is determined to an unprecedented precision. In order to reduce current theoretical uncertainties in the dark matter relic density prediction, we have calculated next-to-leading order SUSY-QCD corrections to neutralino (co)annihilation processes including Coulomb enhancement effects. We demonstrate that these corrections can have significant impact on the cosmologically favoured MSSM parameter space and are thus of general interest for parameter studies and global fits.

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