paper

NLO QCD corrections to pseudoscalar Higgs production in the MSSM

arXiv:1107.0914 · doi:10.1007/JHEP08(2011)128

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.

26 pages, 4 figures. v2: comments added in section 3, version published in JHEP

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