Double Higgs boson production in the Standard Model with extra scalar particles
E. V. Zhemchugov
TL;DR
This paper investigates how adding extra scalar particles to the Standard Model affects double Higgs boson production, calculating cross sections and evaluating experimental constraints across three extended models.
Contribution
It provides detailed calculations of double Higgs production in three scalar-extended models and assesses experimental bounds on these theories.
Findings
Enhanced double Higgs production cross sections in extended models
Constraints from electroweak precision tests limit parameter space
Potential signatures for new scalars in collider experiments
Abstract
Three extensions of the scalar sector of the Standard Model are considered: one extra isosinglet, one extra isotriplet, two extra isotriplets (the Georgi-Machacek model). Double Higgs boson production cross section is calculated in all these extensions. Bounds from electroweak precision observables, signal strength measurements and custodial symmetry violation are estimated.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · Dark Matter and Cosmic Phenomena