Higgs to Gamma Gamma beyond the Standard Model
Giacomo Cacciapaglia, Aldo Deandrea, Jeremie Llodra-Perez (Lyon,, IPN)
TL;DR
This paper develops a general framework to test beyond Standard Model theories using Higgs to gamma gamma decay and gluon fusion production, aiding discrimination of new physics models at colliders.
Contribution
It introduces a parametrisation method for analyzing Higgs processes, applicable to models in 4 and 5 dimensions, to distinguish new physics scenarios.
Findings
The framework effectively differentiates models at the LHC.
Application to 4D and 5D models demonstrates versatility.
Potential to guide future collider experiments.
Abstract
We consider the H to gamma gamma decay process and the gluon fusion production of a light Higgs, and provide a general framework for testing models of new physics beyond the Standard Model. We apply our parametrisation to typical models extending the Standard Model in 4 and 5 dimensions, and show how the parametrisation can be used to discriminate between different scenarios of new physics at the Large Hadron Collider and at future Linear Colliders.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · High-Energy Particle Collisions Research