2-loop on Emanuele Bagnaschi's home page https://www.bagnaschi.eu/tags/2-loop/ Recent content in 2-loop on Emanuele Bagnaschi's home page Hugo -- gohugo.io en Sun, 29 Nov 2020 15:48:20 +0100 Full two-loop QCD corrections to the Higgs mass in the MSSM with heavy superpartners https://www.bagnaschi.eu/science/articles/mh_2l_qcd/ Sun, 29 Nov 2020 15:48:20 +0100 https://www.bagnaschi.eu/science/articles/mh_2l_qcd/ Emanuele Bagnaschi (PSI, Villigen), Giuseppe Degrassi (INFN, Rome and Rome U.), Sebastian Paßehr (Paris, LPTHE), Pietro Slavich (Paris, LPTHE) Eur.Phys.J.C 79 (2019) 11, 910 DOI: 10.1140/epjc/s10052-019-7417-9 e-print: 1908.01670 [hep-ph] We improve the determination of the Higgs-boson mass in the MSSM with heavy superpartners, by computing the two-loop threshold corrections to the quartic Higgs coupling that involve both the strong and the electroweak gauge couplings. Combined with earlier results, this completes the calculation of the two-loop QCD corrections to the quartic coupling at the SUSY scale.