CPsuperH2.3: an Updated Tool for Phenomenology in the MSSM with Explicit CP Violation
Abstract
We describe the Fortran code CPsuperH2.3, which incorporates the following updates compared with its predecessor CPsuperH2.0. It implements improved calculations of the Higgs-boson masses and mixing including stau contributions and finite threshold effects on the tau-lepton Yukawa coupling. It incorporates the LEP limits on the processes e+ e- to Hi Z, Hi Hj and the CMS limits on Hi to tau+ tau- obtained from 4.6/fb of data at a centre-of-mass energy of 7 TeV. It also includes the decay mode Hi to Z gamma and the Schiff-moment contributions to the electric dipole moments of Mercury and Radium225, with several calculational options for the case of Mercury. These additions make CPsuperH2.3 a suitable tool for analyzing possible CP-violating effects in the MSSM in the era of the LHC and a new generation of EDM experiments
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