Abstract
We present a calculation of the two-loop quark-squark-gluino contributions to pseudoscalar Higgs boson production via gluon fusion in the MSSM. We regularize the loop integrals using the Pauli-Villars method, and obtain explicit and compact analytic results based on an expansion in the heavy particle masses. Our results — valid when the pseudoscalar Higgs boson is lighter than squarks and gluinos — can be easily implemented in computer codes for an efficient and accurate determination of the pseudoscalar production cross section.
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Degrassi, G., Di Vita, S. & Slavich, P. NLO QCD corrections to pseudoscalar Higgs production in the MSSM. J. High Energ. Phys. 2011, 128 (2011). https://doi.org/10.1007/JHEP08(2011)128
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DOI: https://doi.org/10.1007/JHEP08(2011)128