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@ARTICLE{Tumasyan:600098,
      author       = {Tumasyan, Armen and others},
      collaboration = {{CMS Collaboration}},
      title        = {{S}earch for {Z}′ bosons decaying to pairs of heavy
                      {M}ajorana neutrinos in proton-proton collisions at $
                      \sqrt{s} $ = 13 {T}e{V}},
      journal      = {Journal of high energy physics},
      volume       = {11},
      number       = {11},
      issn         = {1126-6708},
      address      = {[Trieste]},
      publisher    = {SISSA},
      reportid     = {PUBDB-2023-07751, arXiv:2307.06959. CMS-EXO-20-006.
                      CERN-EP-2023-115},
      pages        = {181},
      year         = {2023},
      abstract     = {A search for the production of pairs of heavy Majorana
                      neutrinos (N$_{ℓ}$) from the decays of Z′ bosons is
                      performed using the CMS detector at the LHC. The data were
                      collected in proton-proton collisions at a center-of-mass
                      energy of $ \sqrt{s} $ = 13 TeV, with an integrated
                      luminosity of 138 fb$^{−1}$. The signature for the search
                      is an excess in the invariant mass distribution of the
                      final-state objects, two same-flavor leptons (e or μ) and
                      at least two jets. No significant excess of events beyond
                      the expected background is observed. Upper limits at 95\%
                      confidence level are set on the product of the Z′
                      production cross section and its branching fraction to a
                      pair of N$_{ℓ}$, as functions of N$_{ℓ}$ and Z′ boson
                      masses ($ {m}_{{\textrm{N}}_{\ell }} $ and $
                      {m}_{{\textrm{Z}}^{\prime }} $, respectively) for $
                      {m}_{{\textrm{Z}}^{\prime }} $ from 0.4 to 4.6 TeV and $
                      {m}_{{\textrm{N}}_{\ell }} $ from 0.1 TeV to $
                      {m}_{{\textrm{Z}}^{\prime }} $/2. In the theoretical
                      framework of a left-right symmetric model, exclusion bounds
                      in the $ {m}_{{\textrm{N}}_{\ell }} $-$
                      {m}_{{\textrm{Z}}^{\prime }} $ plane are presented in both
                      the electron and muon channels. The observed upper limit on
                      $ {m}_{{\textrm{Z}}^{\prime }} $ reaches up to 4.42 TeV.
                      These are the most restrictive limits to date on the mass of
                      N$_{ℓ}$ as a function of the Z′ boson mass.[graphic not
                      available: see fulltext]},
      keywords     = {p p: colliding beams (INSPIRE) / Z': mass (INSPIRE) / p p:
                      scattering (INSPIRE) / neutrino: Majorana (INSPIRE) /
                      neutrino: pair production (INSPIRE) / Z': leptonic decay
                      (INSPIRE) / Z': hadroproduction (INSPIRE) / neutrino: heavy
                      (INSPIRE) / left-right (INSPIRE) / muon (INSPIRE) / channel
                      cross section: branching ratio: upper limit (INSPIRE) / mass
                      dependence (INSPIRE) / electron (INSPIRE) / dilepton: mass
                      spectrum (INSPIRE) / CERN LHC Coll (INSPIRE) / background
                      (INSPIRE) / signature (INSPIRE) / dijet: mass spectrum
                      (INSPIRE) / CMS (INSPIRE) / mass: upper limit (INSPIRE) /
                      experimental results (INSPIRE) / 13000 GeV-cms (INSPIRE) /
                      Beyond Standard Model (autogen) / Hadron-Hadron Scattering
                      (autogen)},
      cin          = {CMS},
      ddc          = {530},
      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)16},
      eprint       = {2307.06959},
      howpublished = {arXiv:2307.06959},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2307.06959;\%\%$},
      UT           = {WOS:001116685900001},
      doi          = {10.1007/JHEP11(2023)181},
      url          = {https://bib-pubdb1.desy.de/record/600098},
}