PoS - Proceedings of Science
Volume 409 - Computational Tools for High Energy Physics and Cosmology (CompTools2021) - session Higgs, Flavour and Precision
GM2Calc - 2 for the 2HDM
P. Athron, C. Balazs, A. Cherchiglia, D. Jacob*, D. Stöckinger, H. Stoeckinger-Kim and A. Voigt
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Published on: July 14, 2022
GM2Calc is a leading tool for calculating precise contributions to $a_\mu$ in the Minimal Supersymmetric Standard Model. In this proceeding we detail GM2Calc version 2 where it is extended so it can calculate two-loop contributions to $a_\mu$ in the Two-Higgs Doublet Model (2HDM), based on the work in Ref. [1]. The 2HDM is a simple model, yet it is one of the few single field extensions of the Standard Model which is able to explain the muon $g-2$ anomaly. We demonstrate the powerful and flexible 2HDM capabilities of GM2Calc2, which include the most precise contributions in the literature and allow the user to work in their favourite type of the 2HDM as well as use complex and lepton flavour violating couplings. With its multiple interfaces and input flexibility, GM2Calc2 is a powerful tool both as a standalone code and as part of a larger code toolchain.
DOI: https://doi.org/10.22323/1.409.0009
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