CP-odd form factor in the HWW vertex
A. I. Hernández-Juárez, G. Tavares-Velasco, J. Martínez-Ramón
Abstract
We revisit the CP-odd form factor in the HWW vertex within the Standard Model (SM), which is induced only at the one-loop level when one of the W bosons is off-shell. To the best of our knowledge, the numerical evaluation of this form factor is presented for the first time. The relevant contributions from quark loops are of order 10-5, well below the current experimental sensitivity. The phenomenological implications are studied through asymmetries in unpolarized and polarized observables in three-body decays.
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