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arxiv: hep-ph/0204359 · v2 · submitted 2002-04-30 · ✦ hep-ph

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Electric Dipole Moments in The Limit of Heavy Superpartners

Oleg Lebedev , Maxim Pospelov
Authors on Pith no claims yet
classification ✦ hep-ph
keywords heavybetadipoleelectrichiggshiggs-mediatedinducelimit
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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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