Publication: Optimal observables as a probe of CP violation in the process
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2020
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© Published under licence by IOP Publishing Ltd.A possible CP violation effects in neutral currents are predicted in a wide class of theories Beyond the Standard Model (BSM). If such a violation will be discovered, it may shed light on the problem of the baryon asymmetry of the Universe. In this paper, an Effective Field Theory (EFT) approach is used to parameterize the BSM Zγ interaction. The optimal observables technique is applied to probe the CP-even and CP-odd anomalous EFT operator within the NTGC phenomenological model. Additional cut requirements on the photon transverse momentum pT were considered in order to enhance the possible BSM signal.
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Belyaev, N. L. Optimal observables as a probe of CP violation in the process / Belyaev, N.L., Soldatov, E.Y. // Journal of Physics: Conference Series. - 2020. - 1690. - № 1. - 10.1088/1742-6596/1690/1/012168