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@ARTICLE{Tumasyan:475611,
      author       = {Tumasyan, Armen and others},
      collaboration = {{CMS Collaboration}},
      title        = {{I}nclusive nonresonant multilepton probes of new phenomena
                      at $\sqrt{s}$ = 13 {T}e{V}},
      reportid     = {PUBDB-2022-01371, arXiv:2202.08676. CMS-EXO-21-002.
                      CERN-EP-2022-008},
      year         = {2022},
      note         = {Submitted to Physical Review D. All figures and tables can
                      be found at
                      http://cms-results.web.cern.ch/cms-results/public-results/publications/EXO-21-002
                      (CMS Public Pages)},
      abstract     = {An inclusive search for nonresonant signatures of beyond
                      the standard model (SM) phenomena in events with three or
                      more charged leptons, including hadronically decaying $\tau$
                      leptons, is presented. The analysis is based on a data
                      sample corresponding to an integrated luminosity of 138
                      fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$ = 13
                      TeV, collected by the CMS experiment at the LHC in
                      2016-2018. Events are categorized based on the lepton and
                      b-tagged jet multiplicities and various kinematic variables.
                      Three scenarios of physics beyond the SM are probed, and
                      signal-specific boosted decision trees are used for
                      enhancing sensitivity. No significant deviations from the
                      background expectations are observed. Lower limits are set
                      at 95\% confidence level on the mass of type-III seesaw
                      heavy fermions in the range 845-1065 GeV for various decay
                      branching fraction combinations to SM leptons. Doublet and
                      singlet vector-like $\tau$ lepton extensions of the SM are
                      excluded for masses below 1045 GeV and in the mass range
                      125-150 GeV, respectively. Scalar leptoquarks decaying
                      exclusively to a top quark and a lepton are excluded below
                      1.12-1.42 TeV, depending on the lepton flavor. For the
                      type-III seesaw as well as the vector-like doublet model,
                      these constraints are the most stringent to date. For the
                      vector-like singlet model, these are the first constraints
                      from the LHC experiments. Detailed results are also
                      presented to facilitate alternative theoretical
                      interpretations.},
      keywords     = {fermion, heavy (INSPIRE) / lepton, flavor (INSPIRE) /
                      leptoquark, scalar (INSPIRE) / p p, scattering (INSPIRE) /
                      jet, multiplicity (INSPIRE) / GeV (INSPIRE) / TeV (INSPIRE)
                      / seesaw model (INSPIRE) / singlet (INSPIRE) / CERN LHC Coll
                      (INSPIRE) / doublet (INSPIRE) / branching ratio (INSPIRE) /
                      sensitivity (INSPIRE) / kinematics (INSPIRE) / background
                      (INSPIRE) / signature (INSPIRE) / CMS (INSPIRE)},
      cin          = {CMS},
      cid          = {I:(DE-H253)CMS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) /
                      HIDSS-0002 - DASHH: Data Science in Hamburg - Helmholtz
                      Graduate School for the Structure of Matter
                      $(2019_IVF-HIDSS-0002)$},
      pid          = {G:(DE-HGF)POF4-611 / $G:(DE-HGF)2019_IVF-HIDSS-0002$},
      experiment   = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2202.08676},
      howpublished = {arXiv:2202.08676},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2202.08676;\%\%$},
      doi          = {10.3204/PUBDB-2022-01371},
      url          = {https://bib-pubdb1.desy.de/record/475611},
}