2010

A Lower Bound on hadronic EDMs from CP Violation in D0-D0bar mixing in SUSY Alignment Models

Altmannshofer, Wolfgang, Buras, Andrzej J., Paradisi, Paride

Understand

The SM predictions for CP violating effects in D meson systems are highly suppressed at the per mill level.

Therefore, any experimental evidence for a sizable CP violation in D0-D0bar mixing would unambiguously point towards a New Physics (NP) signal.
Within supersymmetric scenarios, the popular alignment models can naturally account for large, non-standard effects in D0-D0bar mixing.
We demonstrate that, within alignment models, detectable CP violating effects in D0-D0bar mixing would unambiguously imply a lower bound for the electric dipole moment (EDM) of hadronic systems, like the neutron EDM and the mercury EDM, in the reach of future experimental sensitivities.

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