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Neutralino Annihilation into Massive Quarks with SUSY-QCD Corrections

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arxiv 0901.0481 v2 pith:N7AW2YA4 submitted 2009-01-05 hep-ph

Neutralino Annihilation into Massive Quarks with SUSY-QCD Corrections

Bj\"orn Herrmann , Michael Klasen , Karol Kovarik This is my paper
classification hep-ph
keywords correctionssusyannihilationmassiveneutralinoquarkssupersymmetricalpha
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We compute the full O(alpha_s) supersymmetric (SUSY) QCD corrections for neutralino annihilation into massive quarks through gauge or Higgs bosons and squarks in the Minimal Supersymmetric Standard Model (MSSM), including the known resummation of logarithmically enhanced terms. The numerical impact of the corrections on the extraction of SUSY mass parameters from cosmological data is analyzed for gravity-mediated SUSY breaking scenarios and shown to be sizable, so that these corrections must be included in common analysis tools.

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