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Supersymmetric QCD corrections to Higgs-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>b</mml:mi></mml:math>production: Is the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>Δ</mml:mi><mml:mi>b</mml:mi></mml:msub></mml:math>approximation accurate?
The associated production of a Higgs boson with a $b$ quark is a discovery channel for the lightest MSSM neutral Higgs boson. We consider the supersymmetric QCD contributions from squarks and gluinos and discuss the decoupling properties of these effects. A detailed comparison of our exact $\mathcal{O}({\ensuremath{\alpha}}_{s})$ results with those …