Journal
PHYSICS LETTERS B
Volume 831, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2022.137194
Keywords
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Funding
- Natural Science Foundation of China [12150610465]
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Electric dipole moments (EDMs) of elementary particles provide a powerful tool for exploring new physics with flavor-diagonal CP violation. This study focuses on the muon EDM and investigates the extent to which new physics with flavor-diagonal CP violation can explain the discrepancy in the muon anomalous magnetic moment. The results suggest that the proposed J-PARC experiment has the potential to cover most of the parameter space in a CP-violating two-Higgs-doublet model.
Electric dipole moments (EDMs) of elementary particles are powerful probes of new physics with flavor-diagonal CP violation. The reported discrepancy in the muon anomalous magnetic moment motivates us to explore to what extent new physics with flavor-diagonal CP violation to address the discrepancy is probed by searches for the muon EDM. As a benchmark, we focus on a CP-violating two-Higgs-doublet model to explain the muon g - 2 anomaly where the muon exclusively couples to one Higgs doublet. Since contributions to flavor violating processes as well as the electron EDM are suppressed, the muon EDM becomes an essential probe of the model. Our result shows that some viable parameter space leads to the muon EDM of around d(mu) similar or equal to 6 x 10(-23) e cm probed by the PSI experiment and most of the parameter space is covered by the proposed J-PARC experiment. (C) 2022 The Author(s). Published by Elsevier B.V.
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