The Neutron and the Lepton EDMs in MSSM, Large CP violating Phases, and the Cancellation Mechanism

Abstract

An analysis of the electric dipole moment (EDM) of the neutron and of the leptons in the minimal supersymmetric standard model (MSSM) with the most general allowed set of CP violating phases without generational mixing is given. The analysis includes the contributions from the gluino, the chargino and the neutralino exchanges to the electric dipole operator, the chromoelectic dipole operator, and the CP violating purely gluonic dimension six operator. It is found that the EDMs depend only on certain combination of the CP phases. The independent set of such phases is classified. The analysis of the EDMs given here provides the framework for the exploration of the effects of large CP violating phases on low energy phenomena such as the search for supersymmetry at colliders, and in the analyses of dark matter consistent with the experimental limits on EDMs via the mechanism of internal cancellations.

10 pages, Latex, no figures

References in corpus (4)

• The Neutron and the Electron Electric Dipole Moment in N=1 Supergravity Unification
• The Chromoelectric and Purely Gluonic Operator Contributions to the Neutron Electric Dipole Moment in N=1 Supergravity
• Electric Dipole Moment Constraints on Phases in the Constrained MSSM
• Constraints on supersymmetric soft phases from renormalization group relations

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