LHC: Standard Higgs and Hidden Higgs

Abstract

Interpretations of Higgs searches critically involve production cross sections and decay probabilities for different analysis channels. Mixing effects can reduce production rates, while invisible decays can reduce decay probabilities. Both effects can transparently be quantified in Higgs systems where a visible Higgs boson is mixed with a hidden sector Higgs boson. Recent experimental exclusion bounds can be re-interpreted in this context as a sign for non-standard Higgs properties. Should a light Higgs boson be discovered, then our analysis will quantify how closely it may coincide with the Standard Model.

7 pages, 3 figures; references added; final version accepted for publication in PLB

References in corpus (10)

• Gauge Singlet Scalars as Cold Dark Matter
• Echoes of a Hidden Valley at Hadron Colliders
• LHC Phenomenology of an Extended Standard Model with a Real Scalar Singlet
• VBFNLO: A parton level Monte Carlo for processes with electroweak bosons
• Discovering the Higgs Through Highly-Displaced Vertices
• Heavy Dark Matter Through the Higgs Portal
• Measuring the Higgs Sector
• Probing Hidden Sector Photons through the Higgs Window
• Hidden Higgs Boson at the LHC and Light Dark Matter Searches
• Measuring Hidden Higgs and Strongly-Interacting Higgs Scenarios

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• First Glimpses at Higgs' face
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• Constraints on New Scalars from the LHC 125 GeV Higgs Signal
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• Off-shell Higgs Probe to Naturalness
• Higgs Couplings at High Scales
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• Constraining the Unhiggs with LHC data
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• Boosting Invisible Higgs Searches by Tagging a Gluon Jet for Gluon Fusion Process
• Hidden-Sector Higgs Bosons at High-Energy Electron-Positron Colliders