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@ARTICLE{Sirunyan:418372,
      author       = {Sirunyan, Albert M and others},
      collaboration = {{CMS Collaboration}},
      title        = {{S}earch for new physics in events with two soft oppositely
                      charged leptons and missing transverse momentum in
                      proton-proton collisions at $\sqrt{s}=$ 13 {T}e{V}},
      journal      = {Physics letters / B},
      volume       = {782},
      issn         = {0370-2693},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ.},
      reportid     = {PUBDB-2019-00404, CERN-EP-2017-336. CMS-SUS-16-048.
                      arXiv:1801.01846},
      pages        = {440 - 467},
      year         = {2018},
      abstract     = {A search is presented for new physics in events with two
                      low-momentum, oppositely charged leptons (electrons or
                      muons) and missing transverse momentum in proton-proton
                      collisions at a centre-of-mass energy of 13 TeV. The data
                      collected using the CMS detector at the LHC correspond to an
                      integrated luminosity of 35.9 fb$^{-1}$. The observed event
                      yields are consistent with the expectations from the
                      standard model. The results are interpreted in terms of pair
                      production of charginos and neutralinos
                      ($\widetilde{\chi}^\pm_1$ and $\widetilde{\chi}^0_2$) with
                      nearly degenerate masses, as expected in natural
                      supersymmetry models with light higgsinos, as well as in
                      terms of the pair production of top squarks
                      ($\widetilde{\mathrm{t}}$), when the lightest neutralino and
                      the top squark have similar masses. At 95\% confidence
                      level, wino-like
                      $\widetilde{\chi}^\pm_1$/$\widetilde{\chi}^0_2$ masses are
                      excluded up to 230 GeV for a mass difference of 20 GeV
                      relative to the lightest neutralino, a region constrained
                      thus far only by the LEP experiments. For
                      $\widetilde{\mathrm{t}}$ pair production, top squark masses
                      up to 450 GeV are excluded for a mass difference of 40 GeV
                      relative to the lightest neutralino.},
      keywords     = {p p: colliding beams (INSPIRE) / transverse momentum:
                      missing-energy (INSPIRE) / p p: scattering (INSPIRE) / stop:
                      pair production (INSPIRE) / squark: mass (INSPIRE) / stop:
                      mass: lower limit (INSPIRE) / chargino: pair production
                      (INSPIRE) / new physics: search for (INSPIRE) / neutralino:
                      pair production (INSPIRE) / mass difference (INSPIRE) / CERN
                      LHC Coll (INSPIRE) / supersymmetry (INSPIRE) / electron:
                      pair production (INSPIRE) / muon: pair production (INSPIRE)
                      / CMS (INSPIRE) / experimental results (INSPIRE) / 13000
                      GeV-cms (INSPIRE)},
      cin          = {CMS},
      ddc          = {530},
      cid          = {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)29 / PUB:(DE-HGF)16},
      eprint       = {1801.01846},
      howpublished = {arXiv:1801.01846},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1801.01846;\%\%$},
      UT           = {WOS:000438486900071},
      doi          = {10.1016/j.physletb.2018.05.062},
      url          = {https://bib-pubdb1.desy.de/record/418372},
}