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Search for invisible decays of a Higgs boson using vector-boson fusion in pp collisions at s = 8 $$ sqrts=8 $$ TeV with the ATLAS detector

Aad, G.
•
Abbott, B.
•
Abdallah, J.
altro
ATLAS Publications
2016
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
A search for a Higgs boson produced via vector-boson fusion and decaying into invisible particles is presented, using 20.3 fb−1of proton-proton collision data at a centre-of-mass energy of 8 TeV recorded by the ATLAS detector at the LHC. For a Higgs boson with a mass of 125 GeV, assuming the Standard Model production cross section, an upper bound of 0.28 is set on the branching fraction of H → invisible at 95% confidence level, where the expected upper limit is 0.31. The results are interpreted in models of Higgs-portal dark matter where the branching fraction limit is converted into upper bounds on the dark-matter-nucleon scattering cross section as a function of the dark-matter particle mass, and compared to results from the direct dark-matter detection experiments.
DOI
10.1007/JHEP01(2016)172
WOS
WOS:000369302700001
Archivio
http://hdl.handle.net/11390/1109798
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84957801044
Diritti
metadata only access
Scopus© citazioni
72
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
80
Data di acquisizione
Mar 27, 2024
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