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@ARTICLE{Sirunyan:448502,
      author       = {Sirunyan, Albert M and others},
      collaboration = {{CMS Collaboration}},
      title        = {{S}tudy of central exclusive $\pi^+\pi^-$ production in
                      proton-proton collisions at $\sqrt{s} =$ 5.02 and 13
                      {T}e{V}},
      journal      = {The European physical journal / C},
      volume       = {80},
      number       = {8},
      issn         = {1434-6052},
      address      = {Heidelberg},
      publisher    = {Springer},
      reportid     = {PUBDB-2020-03488, arXiv:2003.02811. CMS-FSQ-16-006.
                      CERN-EP-2020-005},
      pages        = {718},
      year         = {2020},
      abstract     = {Central exclusive and semiexclusive production of
                      $\pi^+\pi^-$ pairs is measured with the CMS detector in
                      proton-proton collisions at the LHC at center-of-mass
                      energies of 5.02 and 13TeV. The theoretical description of
                      these nonperturbative processes, which have not yet been
                      measured in detail at the LHC, poses a significant challenge
                      to models. The two pions are measured and identified in the
                      CMS silicon tracker based on specific energy loss, whereas
                      the absence of other particles is ensured by calorimeter
                      information. The total and differential cross sections of
                      exclusive and semiexclusive central $\pi^+\pi^-$ production
                      are measured as functions of invariant mass, transverse
                      momentum, and rapidity of the $\pi^+\pi^-$ system in the
                      fiducial region defined as transverse momentum $P_T(\pi)$ >
                      0.2 GeV and pseudorapidity $|η(π)|$ < 2.4. The production
                      cross sections for the four resonant channels $f_0$(500),
                      $ρ^0$(770), $f_0$(980), and $f_2$(1270) are extracted using
                      a simple model. These results represent the first
                      measurement of this process at the LHC collision energies of
                      5.02 and 13TeV.},
      keywords     = {p p: scattering (INSPIRE) / p p: colliding beams (INSPIRE)
                      / pi: pair production (INSPIRE) / pi: particle
                      identification (INSPIRE) / CERN LHC Coll (INSPIRE) /
                      transverse momentum dependence (INSPIRE) / rapidity
                      dependence (INSPIRE) / mass dependence (INSPIRE) / mass
                      spectrum: (pi+ pi-) (INSPIRE) / CMS (INSPIRE) / differential
                      cross section: measured (INSPIRE) / total cross section:
                      measured (INSPIRE) / f0(600) (INSPIRE) / rho(770) (INSPIRE)
                      / f0(980) (INSPIRE) / f2(1270) (INSPIRE) / pi: exclusive
                      production (INSPIRE) / tracking detector (INSPIRE) /
                      nonperturbative (INSPIRE) / calorimeter (INSPIRE) / energy
                      loss (INSPIRE) / two-pion (INSPIRE) / silicon (INSPIRE) /
                      experimental results (INSPIRE) / 5020 GeV-cms (INSPIRE) /
                      13000 GeV-cms (INSPIRE)},
      cin          = {CMS},
      ddc          = {530},
      cid          = {I:(DE-H253)CMS-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611) / DFG
                      project 390833306 - EXC 2121: Quantum Universe (390833306)},
      pid          = {G:(DE-HGF)POF3-611 / G:(GEPRIS)390833306},
      experiment   = {EXP:(DE-H253)LHC-Exp-CMS-20150101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2003.02811},
      howpublished = {arXiv:2003.02811},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2003.02811;\%\%$},
      pubmed       = {pmid:32834020},
      UT           = {WOS:000561401400001},
      doi          = {10.1140/epjc/s10052-020-8166-5},
      url          = {https://bib-pubdb1.desy.de/record/448502},
}