Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-12-11
Phys.Rev. D71 (2005) 056005
Physics
High Energy Physics
High Energy Physics - Phenomenology
Revtex, 27 pages, including 11 ps figures
Scientific paper
10.1103/PhysRevD.71.056005
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.
Feng Tai-fu
Li Xue-Qian
Maalampi Jukka
Zhang Xinmin
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