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Beyond the standard model Higgs boson self-couplings at the LHC

Record type: Article

A study of two-Higgs-doublet models (2HDM) in the decoupling limit reveals the existence of parameter configurations with a large triple-Higgs self-coupling as the only low-energy trace of a departure from a Standard Model (SM) Higgs sector. This observation encourages attempts to search for double Higgs production at the Large Hadron Collider (LHC) and its luminosity upgrade (SLHC) even in mass regions which have been shown to be very hard to probe in the context of SM-like Higgs self-couplings. In a scenario where only an Intermediate Mass Higgs (IMH) boson, with 120 GeV <= m_h <= 140 GeV, is discovered at the LHC, with measured couplings to fermions and gauge bosons compatible with their SM values, we show that Higgs-pair production (with each Higgs state decaying in two b bbar pairs) through Weak Boson Fusion (WBF) could open a window on physics beyond the SM in the Higgs sector.

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Citation

Moretti, M., Moretti, S., Piccinini, F., Pittau, R. and Polosa, A.D (2004) Beyond the standard model Higgs boson self-couplings at the LHC High Energy Physics - Phenomenology

More information

Published date: 2004
Additional Information: arXiv:hep-ph/0411039v1

Identifiers

Local EPrints ID: 57475
URI: http://eprints.soton.ac.uk/id/eprint/57475
ISSN: 0418-9833
PURE UUID: 7f76f68e-6c6c-4f69-94bc-dd37767c78dc

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Date deposited: 13 Aug 2008
Last modified: 17 Jul 2017 14:29

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Contributors

Author: M. Moretti
Author: S. Moretti
Author: F. Piccinini
Author: R. Pittau
Author: A.D Polosa

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