Abstract
The production rate of the CP-odd Higgs boson in the Minimal Supersymmetric Standard Model is evaluated through next-to-leading order in the strong coupling constant. The divergent integrals are regulated using Dimensional Reduction, with a straightforward implementation of γ5. The result is confirmed within Dimensional Regularization where γ5 is implemented according to the Standard Model calculation of Chetyrkin et al. [16]. The well-known Standard Model result is recovered if the masses of the supersymmetric particles tend to infinity.
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