The universal Higgs fit
Abstract
We perform a state-of-the-art global fit to all Higgs data. We synthesise them into a 'universal' form, which allows to easily test any desired model. We apply the proposed methodology to extract from data the Higgs branching ratios, production cross sections, couplings and to analyse composite Higgs models, models with extra Higgs doublets, supersymmetry, extra particles in the loops, anomalous top couplings, invisible Higgs decay into Dark Matter. Best fit regions lie around the Standard Model predictions and are well approximated by our 'universal' fit. Latest data exclude the dilaton as an alternative to the Higgs, and disfavour fits with negative Yukawa couplings. We derive for the first time the SM Higgs boson mass from the measured rates, rather than from the peak positions, obtaining GeV.
Cite
@article{arxiv.1303.3570,
title = {The universal Higgs fit},
author = {Pier Paolo Giardino and Kristjan Kannike and Isabella Masina and Martti Raidal and Alessandro Strumia},
journal= {arXiv preprint arXiv:1303.3570},
year = {2015}
}
Comments
25 pages, 9 figures. Version 2: updated including the Higgs results presented at the EPS-HEP 2013 conference. Version 3: updated including Higgs results presented up to the Moriond 2014 conference; final version to be published. Version 4: updated to summer 2014