Jul 3 – 8, 2016
The University of Melbourne
Australia/Melbourne timezone

Next-to-leading order unitarity fits of the Two-Higgs-Doublet Models

Jul 7, 2016, 5:50 PM
Yasuko Hiraoka Myer Room

Yasuko Hiraoka Myer Room

Talk Higgs Physics Higgs Physics


Debtosh Chowdhury (INFN, Rome)


We present global fits of the Two-Higgs-Doublet models with a softly broken $Z_2$ symmetry. The results were obtained with the public HEPfit package and combine the effects of various constraints coming from experiment (including LHC run I) and theory. As for the latter, we use for the first time the next-to-leading order contributions to the scattering matrix of ``two scalar to two scalar" processes in a global Two-Higgs-Doublet model fit. We will discuss in detail how unitarity and perturbativity affect the model parameters.

Primary author

Debtosh Chowdhury (INFN, Rome)


Christopher W. Murphy (Scuola Normale Superiore, Pisa) Luca Silvestrini (INFN Rome) Otto Eberhardt (Istituto Nazionale di Fisica Nucleare) Vincenzo Cacchio (INFN, Rome)

Presentation materials