Electric Dipole Moments in The Limit of Heavy Superpartners

Details Electric Dipole Moments in The Limit of Heavy Superpartners Electric Dipole Moments in The Limit of Heavy Superpartners

2002-04-30

arxiv.org/abs/hep-ph/0204359v2

Phys.Rev.Lett. 89 (2002) 101801

Physics

High Energy Physics

High Energy Physics - Phenomenology

minor revisions, to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.89.101801

Supersymmetric loop corrections induce potentially large CP-violating couplings of the Higgs bosons to nucleons and electrons that do not vanish in the limit of heavy superpartners. The Higgs-mediated CP-odd four-fermion operators are enhanced by tan^3 beta and induce electric dipole moments of heavy atoms which exceed the current experimental bounds for the electroweak scale Higgs masses and tan beta > 10. If only the first two sfermion generations are heavy, the Higgs-mediated contributions typically dominate over the Barr-Zee type two-loop diagrams at tan beta > 30.

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