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

The ATLAS Collaboration

研究成果: Article査読

72 被引用数 (Scopus)

抄録

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.

本文言語English
論文番号172
ページ(範囲)1-44
ページ数44
ジャーナルJournal of High Energy Physics
2016
1
DOI
出版ステータスPublished - 2016 1月 28

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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