Studying possible CP-violating Higgs couplings through top-quark pair productions at muon colliders - High Energy Physics - PhenomenologyReportar como inadecuado




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Abstract: We study possible anomalous CP-violating Higgs couplings to mu mu-bar and tt-bar fully model-independent way through top-quark pair productions at muoncolliders. Assuming additional non-standard neutral Higgs bosons, whosecouplings with top-quark and muon are expressed in the most general covariantform, we carry out analyses of effects which they are expected to produce viaCP-violating asymmetries and also the optimal-observable OO procedure underlongitudinal and transverse muon polarizations. We find the measurement of theasymmetry for longitudinal beam polarization could be useful to catch somesignal of CP violation, and an OO analysis might also be useful if we couldreduce the number of unknown parameters with a help of other experiments and ifthe size of the parameters is at least O1 ~ O10.



Autor: Zenro Hioki, Takuya Konishi, Kazumasa Ohkuma

Fuente: https://arxiv.org/







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