Oblique Lessons from the W Mass Measurement at CDF II

Pouya Asadi, Cari Cesarotti, Katherine Fraser, Samuel Homiller, Aditya Parikh
April 2022
Cite arXiv
Type
2

We consider the compatibility of the recent CDF measurement of the W mass in an electroweak global fit, with new physics parameterized by the oblique parameters, S, T and U. We show that the large value can be explained by introducing a new SU(2) triplet scalar, the “swino”.