Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-11-25
Phys.Rev.D80:015009,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
26 pages, 14 figures, published version with more arguments
Scientific paper
10.1103/PhysRevD.80.015009
CP violation from physics beyond the Standard Model may reside in triple boson vertices of the electroweak theory. We review the effective theory description and discuss how CP violating contributions to these vertices might be discerned by electric dipole moments (EDM) or diboson production at the Large Hadron Collider (LHC). Despite triple boson CP violating interactions entering EDMs only at the two-loop level, we find that EDM experiments are generally more powerful than the diboson processes. To give example to these general considerations we perform the comparison between EDMs and collider observables within supersymmetric theories that have heavy sfermions, such that substantive EDMs at the one-loop level are disallowed. EDMs generally remain more powerful probes, and next-generation EDM experiments may surpass even the most optimistic assumptions for LHC sensitivities.
Jung Sunghoon
Wells James Daniel
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