Enhancement of h -> gamma gamma in the Two Higgs Doublet Model Type I

Autor(en)
Paul Posch
Abstrakt

We show that in the Two Higgs Doublet Model (THDM) Type I the partial decay width Γ(h→γγ)Γ(h→γγ) can be considerably larger than in Type II, due to light charged scalars with MH±≈100 GeVMH±≈100 GeV, which are not yet excluded in Type I. A possible enhancement of the width compared to the SM is analyzed for different Higgs potentials, subject to constraints from tree-level unitarity, vacuum stability and electroweak precision tests.

Organisation(en)
Teilchenphysik
Journal
Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
Band
696
Seiten
447-453
Anzahl der Seiten
7
ISSN
0370-2693
DOI
https://doi.org/10.1016/j.physletb.2011.01.003
Publikationsdatum
2011
Peer-reviewed
Ja
ÖFOS 2012
103014 Kernphysik
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/enhancement-of-h--gamma-gamma-in-the-two-higgs-doublet-model-type-i(90d9505b-d152-435c-ba60-9cec9a9c2450).html