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Data · dataset · 2024

H-COUP Version 3: A program for one-loop corrected decays of any Higgs bosons in non-minimal Higgs models

Listed in Teesside University Research Data Repository

The H-COUP program is provided as a package of Fortran codes, which can compute observables related to Higgs bosons including radiative corrections in various extended Higgs sectors.

Description

We give a manual for the latest version of H-COUP (H-COUP_3.0), in which decay rates and branching ratios of all the Higgs bosons can be calculated at one-loop level in EW and Higgs interactions with QCD corrections in the Higgs singlet model, four types of the two Higgs doublet model with a softly-broken Z_2 symmetry, and the inert doublet model.

The previous version (H-COUP_2.0) can evaluate those only for the standard model like Higgs boson with the mass of 125 GeV (h). In H-COUP_3.0, renormalized quantities are computed based on the gauge-independent on-shell renormalization scheme. The source code of H-COUP_3.0 can be downloaded via the following link: www-het.phys.sci.osaka-u.ac.jp/~hcoup.

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By using H-COUP_3.0, we can compare the precise measurements of the properties of h and direct searches for additional Higgs bosons with their predictions at one-loop level, by which we can reconstruct the structure of the Higgs sector.

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Nuclear and plasma physics 70%
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