Electric Dipole Moments in The Limit of Heavy Superpartners
arXiv:hep-ph/0204359 · doi:10.1103/PhysRevLett.89.101801
Abstract
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.
minor revisions, to appear in Phys. Rev. Lett
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