Type of Document	Dissertation
Author	Lebedev, Oleg
Author's Email Address	lebedev@quasar.phys.vt.edu
URN	etd-62198-132411
Title	Spontaneous CP-Violation in Two Higgs Doublet Supersymmetric Models
Degree	Doctor of Philosophy
Department	Physics
Advisory Committee	Advisor Name Title Lay Nam Chang Committee Chair Brian K. Dennison Committee Member Chia H. Tze Committee Member Tatsu Takeuchi Committee Member Tetsuro Mizutani Committee Member
Keywords	spontaneous symmetry breaking supersymmetry axion radiative corrections CP-violation
Date of Defense	1998-07-08
Availability	unrestricted
Abstract An alternative approach to the problem of CP-violation is presented. It is based on the possibility of spontaneous CP-breakdown in models with two Higgs doublets. General features of the phenomenon such as stability of the vacuum and the existence of a light axion are discussed. We investigate the feasibility of spontaneously broken CP in the minimal supersymmetric models - the MSSM and NMSSM. The latter is shown to be experimentally viable. The phenomenological implications of the model such as CP-violating effects in the kaon systems and a nonzero neutron electric dipole moment are studied.
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