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@ARTICLE{Collaboration:153440,
      key          = {153440},
      collaboration = {{ATLAS Collaboration}},
      title        = {{S}earch for invisible decays of a {H}iggs boson produced
                      in association with a $\it{{Z}}$ boson in {ATLAS}},
      reportid     = {DESY-2013-00507, ATLAS-CONF-2013-011},
      year         = {2013},
      note         = {March 5, 2013},
      abstract     = {A direct search for evidence of decays to invisible
                      particles of a Higgs boson at the Large Hadron Collider
                      (LHC) is presented. This search is performed for a Standard
                      Model (SM)-like Higgs boson produced in association with a Z
                      boson and having a mass between m H = 115 GeV and m H = 300
                      GeV. The results are interpreted to place limits on the
                      branching fraction to invisible particles of the SM Higgs
                      boson, where a non-zero invisible branching fraction could
                      provide evidence for the production of dark matter
                      particles. In addition, limits are set on any neutral
                      Higgs-like particle, produced in association with a Z boson
                      and decaying predominantly to invisible particles. No
                      deviation from the Standard Model expectation is observed in
                      the search, which uses 4.7 fb −1 of 7 TeV pp collision
                      data and 13.0 fb −1 of 8 TeV pp collision data collected
                      by the ATLAS experiment at the LHC. Assuming the ZH
                      production rate for a 125 GeV SM Higgs boson, an invisible
                      branching fraction greater than $65\%$ is excluded with a
                      $95\%$ confidence level for the observed, and $84\%$ with
                      $95\%$ CL for the expected. Limits are also set on the cross
                      section times invisible branching fraction of a possible
                      additional Higgs-like boson over the mass range 115 GeV <m H
                      <300 GeV},
      cin          = {ATLAS},
      cid          = {I:(DE-H253)ATLAS-20120731},
      pnm          = {Experiments at LHC (ATLAS) (POF1-510) / Experiments at LHC
                      (ATLAS) (POF2-512)},
      pid          = {G:(DE-H253)POF1-LHC-Exp.-(ATLAS)-20130405 /
                      G:(DE-H253)POF2-LHC-Exp.-(ATLAS)-20130405},
      experiment   = {EXP:(DE-H253)LHC-Exp-ATLAS-20150101},
      typ          = {PUB:(DE-HGF)25 / PUB:(DE-HGF)15},
      url          = {https://bib-pubdb1.desy.de/record/153440},
}