CPsuperH2.0: An improved computational tool for Higgs phenomenology in the MSSM with explicit CP violation

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题名:	CPsuperH2.0: An improved computational tool for Higgs phenomenology in the MSSM with explicit CP violation
作者:	Lee,JS;Carena,M;Ellis,J;Pilaftsis,A;Wagner,CEM
贡献者:	物理研究所
关键词:	ELECTRIC-DIPOLE MOMENTS;SUPERSYMMETRIC STANDARD MODEL;LARGE TAN-BETA;BOSON PRODUCTION;QCD CORRECTIONS;PROTON COLLIDERS;PHOTON COLLIDER;HADRON COLLIDERS;LINEAR COLLIDER;SELF-ENERGIES
日期:	2009
上传时间:	2010-07-08 13:59:16 (UTC+8)
出版者:	中央大學
摘要:	We describe the Fortran code CPsuperH2.0, which contains several improvements and extensions of its predecessor CPsuperH. It implements improved calculations of the Higgs-boson pole masses, notably a full treatment of the 4 x 4 neutral Higgs propagator matrix including the Goldstone boson and a more complete treatment of threshold effects in self-energies and Yukawa couplings, improved treatments of two-body Higgs decays, some important three-body decays, and two-loop Higgs-mediated contributions to electric dipole moments. CPsuperH2.0 also implements an integrated treatment of several B-meson observables, including the branching ratios of B-s -> mu(+)mu(-), B-d -> tau(+)tau(-), B-u -> tau(v), B -> X-s gamma and the latter's CP-violating asymmetry Acp. and the supersymmetric contributions to the B-s.d(0) - (B) over bar (0)(s.d) mass differences. These additions make CPsuperH2.0 an attractive integrated tool for analyzing supersymmetric CP and flavour physics as well as searches for new physics at high-energy colliders such as the Tevatron, LHC and linear colliders.
關聯:	COMPUTER PHYSICS COMMUNICATIONS
显示于类别:	[物理研究所] 期刊論文

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