Spying an invisible Higgs boson

We investigate the potential of multivariate techniques to improve the LHC search for invisible Higgs decays in weak boson fusion. We find that in the coming runs the LHC will be able to probe an invisible Higgs width of 28% within a year and 3.5% during a high luminosity run. A significant improvem...

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Bibliographic Details
Published in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2015-02, Vol.91 (3), Article 035024
Main Authors: Bernaciak, Catherine, Plehn, Tilman, Schichtel, Peter, Tattersall, Jamie
Format: Article
Language:English
Subjects:
Bosons
Cosmology
Decay
Estimates
Gravitation
Higgs bosons
Luminosity
Spying
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Summary:We investigate the potential of multivariate techniques to improve the LHC search for invisible Higgs decays in weak boson fusion. We find that in the coming runs the LHC will be able to probe an invisible Higgs width of 28% within a year and 3.5% during a high luminosity run. A significant improvement over these estimates requires an analysis of QCD radiation patterns down to 10 GeV. Such an analysis can improve the reach at the high luminosity run to 2%. Throughout our analysis, we employ a conservative, data-driven background determination.
ISSN:1550-7998
1550-2368
DOI:10.1103/PhysRevD.91.035024