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@PHDTHESIS{Tholen:331169,
      author       = {Tholen, Heiner},
      othercontributors = {Schmidt, Alexander and Haller, Johannes},
      title        = {{S}earch for single production of a heavy vector-like {T}
                      quark decaying to a top quark and a {H}iggs boson with the
                      {CMS} {E}xperiment},
      school       = {Universität Hamburg},
      type         = {Dr.},
      address      = {Hamburg},
      publisher    = {Verlag Deutsches Elektronen-Synchrotron},
      reportid     = {PUBDB-2017-07592, DESY-THESIS-2017-028},
      series       = {DESY-THESIS},
      pages        = {171},
      year         = {2017},
      note         = {Universität Hamburg, Diss., 2017},
      abstract     = {The presented work is a search for single production of
                      vector-like T quarks.Vector-like quarks are common among
                      non-SUSY theories that strive to solve the hierarchy
                      problem.The search is undertaken with 2.3$\,$fb of
                      proton-proton collisions at a centre of mass energy of
                      $\sqrt s=13\,$TeV, recorded with the CMS experiment at the
                      CERN LHC in 2015.The T quark decay channel into a top quark
                      and a Higgs boson is considered.A mass-range from 700$\,$GeV
                      up to 1800$\,$GeV is scanned, where the top quark and Higgs
                      boson acquire a significant Lorentz boost.An electron or
                      muon in the final state is required, as well as a collimated
                      pair of b quarks from the decay of the boosted Higgs
                      boson.The search is performed as a shape analysis with a
                      signal plus background model, fitted to the data.The shape
                      of the background is extracted from a signal-depleted
                      control region in the data.The background shape describes
                      the observed data well and no excess of events is
                      seen.Exclusion limits are derived for the single T quark
                      production cross section times the branching fraction of the
                      T quark decay into a Higgs boson and a top quark.A Bayesian
                      statistical method is applied.At 95\\% confidence level,
                      values of 0.49$\,$pb and 0.18$\,$pb (0.42$\,$pb and
                      0.14$\,$pb) for T quark masses of 1200$\,$GeV and
                      1700$\,$GeV, respectively, are excluded for T quark
                      production in association with b (top) quarks.These are the
                      first results on singly produced vector-like quarks
                      published by the CMS Collaboration and the first results
                      from the LHC at $\sqrt s=13\,$TeV.},
      cin          = {UNI/EXP / CMS},
      cid          = {$I:(DE-H253)UNI_EXP-20120731$ / I:(DE-H253)CMS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611)},
      pid          = {G:(DE-HGF)POF3-611},
      experiment   = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
      typ          = {PUB:(DE-HGF)3 / PUB:(DE-HGF)29 / PUB:(DE-HGF)11},
      doi          = {10.3204/PUBDB-2017-07592},
      url          = {https://bib-pubdb1.desy.de/record/331169},
}