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Two-loop gluino contributions to neutron electric dipole moment in CP violating MSSM

Tai-Fu Feng·Xue-Qian Li·Jukka Maalampi·Xinmin Zhang
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Abstract

We analyze two-loop gluino corrections to the neutron electric dipole moment (EDM) in the minimal supersymmetry extension of the standard model (MSSM). The dependence of two-loop corrections on the relevant CP violating phases differs from that of the one-loop contributions, and there is a region in the parameter space where the two-loop contributions are comparable with the one-loop contributions. Our numerical results show that the two-loop corrections can be as large as 30% of the one-loop results.

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Tai-Fu Feng, Xue-Qian Li, Jukka Maalampi, Xinmin Zhang. 2004-12-11. Two-loop gluino contributions to neutron electric dipole moment in CP violating MSSM. https://doi.org/10.1103/physrevd.71.056005

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