Journal
PHYSICS LETTERS B
Volume 713, Issue 1, Pages 23-28Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2012.05.024
Keywords
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Funding
- European Research Council (ERC) [EFT4LHC]
- German Federal Ministry for Education and Research (BMBF) [05H09UME]
- Rhineland-Palatinate Research Center Elementary Forces and Mathematical Foundations
- Swiss National Foundation [SNF 200020-126632]
- Science and Technology Facilities Council [ST/J000507/1] Funding Source: researchfish
- STFC [ST/J000507/1] Funding Source: UKRI
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We point out that the discovery of a light Higgs boson in the gamma gamma, ZZ, and WW decay channels at the LHC, with cross sections not far from the predictions of the Standard Model, would have profound implications for the parameters of warped extra-dimension models with a brane-localized Higgs sector. Due to loop effects of Kaluza-Klein particles, these models predict a significant reduction of the Higgs production cross section via gluon-gluon fusion, combined with an enhancement of the ratio Br(h -> gamma gamma)/Br(h -> ZZ) in large parts of parameter space. LHC measurements of these decays will probe Kaluza-Klein masses up to the 10 TeV range, exceeding by far the reach for direct production. (C) 2012 Elsevier B.V. All rights reserved.
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