Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-06-30
Phys.Rev.D80:085025,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
27 pages
Scientific paper
10.1103/PhysRevD.80.085025
We describe in detail our calculation of the full supersymmetric (SUSY) QCD corrections to neutralino annihilation into heavy quarks and extend our numerical analysis of the resulting dark matter relic density to scenarios without scalar or gaugino mass unification. In these scenarios, the final state is often composed of top quarks and the annihilation proceeds through Z^0-boson or scalar top-quark exchanges. The impact of the corrections is again shown to be sizable, so that they must be taken into account systematically in global analyses of the supersymmetry parameter space.
Herrmann Björn
Klasen Michael
Kovarik Karol
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