Probing the Higgs potential at a Photon Collider

Fuente: arXiv
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Autori principali: Berger, Marten, Braathen, Johannes, Moortgat-Pick, Gudrid, Weiglein, Georg
Natura: Preprint
Pubblicazione: 2025
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author Berger, Marten
Braathen, Johannes
Moortgat-Pick, Gudrid
Weiglein, Georg
author_facet Berger, Marten
Braathen, Johannes
Moortgat-Pick, Gudrid
Weiglein, Georg
contents A $γγ$ collider, either in conjunction with an $e^+e^-$ linear collider or as a stand-alone facility, offers a very attractive Higgs physics programme at relatively low centre-of-mass (c.m.) energies. While the Higgs boson that has been discovered at the LHC can be studied in detail in resonant production at 125~GeV, a c.m.\ energy as low as 280~GeV can probe the Higgs potential via the Higgs pair production process providing access to the trilinear Higgs-boson self-coupling. High polarisation of the photon beams (produced via Compton back-scattering) can be achieved and adjusted by flipping the polarisation of the incident laser. The prospects for exploring the Higgs pair production process at a $γγ$ collider are assessed by comparing different running scenarios utilising different types of the incident laser. The possibility to use photon polarisations for disentangling different kinds of contributions to the Higgs pair production process is emphasised.
format Preprint
id arxiv_https___arxiv_org_abs_2510_05012
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Probing the Higgs potential at a Photon Collider
Berger, Marten
Braathen, Johannes
Moortgat-Pick, Gudrid
Weiglein, Georg
High Energy Physics - Phenomenology
High Energy Physics - Experiment
A $γγ$ collider, either in conjunction with an $e^+e^-$ linear collider or as a stand-alone facility, offers a very attractive Higgs physics programme at relatively low centre-of-mass (c.m.) energies. While the Higgs boson that has been discovered at the LHC can be studied in detail in resonant production at 125~GeV, a c.m.\ energy as low as 280~GeV can probe the Higgs potential via the Higgs pair production process providing access to the trilinear Higgs-boson self-coupling. High polarisation of the photon beams (produced via Compton back-scattering) can be achieved and adjusted by flipping the polarisation of the incident laser. The prospects for exploring the Higgs pair production process at a $γγ$ collider are assessed by comparing different running scenarios utilising different types of the incident laser. The possibility to use photon polarisations for disentangling different kinds of contributions to the Higgs pair production process is emphasised.
title Probing the Higgs potential at a Photon Collider
topic High Energy Physics - Phenomenology
High Energy Physics - Experiment
url https://arxiv.org/abs/2510.05012