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@ARTICLE{Sirunyan:450154,
      author       = {Sirunyan, Albert M and others},
      collaboration = {{CMS Collaboration}},
      title        = {{O}bservation of the {B}$^0_\mathrm{s}\to ${X}(3872)$\phi$
                      decay},
      journal      = {Physical review letters},
      volume       = {125},
      number       = {15},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PUBDB-2020-04210, arXiv:2005.04764. CMS-BPH-17-005.
                      CERN-EP-2020-070},
      pages        = {152001},
      year         = {2020},
      note         = {All the figures and tables, including additional
                      supplementary figures, can be found at
                      http://cms-results.web.cern.ch/cms-results/public-results/publications/BPH-17-005
                      (CMS Public Pages) ; publication: Phys.Rev.Lett. 125 15
                      (2020) 152001 ; ;},
      abstract     = {Using a data sample of proton-proton collisions at s=13
                      TeV, corresponding to an integrated luminosity of 140 fb-1
                      collected by the CMS experiment in 2016–2018, the
                      Bs0→X(3872)ϕ decay is observed. Decays into J/ψπ+π−
                      and K+K- are used to reconstruct, respectively, the X(3872)
                      and ϕ. The ratio of the product of branching fractions
                      B[Bs0→X(3872)ϕ]B[X(3872)→J/ψπ+π−] to the product
                      B[Bs0→ψ(2S)ϕ]B[ψ(2S)→J/ψπ+π−] is measured to be
                      $[2.21±0.29(stat)±0.17(syst)]\%.$ The ratio
                      B[Bs0→X(3872)ϕ]/B[B0→X(3872)K0] is found to be
                      consistent with one, while the ratio
                      B[Bs0→X(3872)ϕ]/B[B+→X(3872)K+] is two times smaller.
                      This suggests a difference in the production dynamics of the
                      X(3872) in B0 and Bs0 meson decays compared to B+. The
                      reported observation may shed new light on the nature of the
                      X(3872) particle.},
      keywords     = {p p: colliding beams (INSPIRE) / B/s0: hadronic decay
                      (INSPIRE) / p p: scattering (INSPIRE) / X(3872): hadronic
                      decay (INSPIRE) / Phi(1020): hadronic decay (INSPIRE) /
                      B/s0: branching ratio (INSPIRE) / X(3872): branching ratio
                      (INSPIRE) / Phi(1020): branching ratio (INSPIRE) / branching
                      ratio: ratio: measured (INSPIRE) / CMS (INSPIRE) / CERN LHC
                      Coll (INSPIRE) / experimental results (INSPIRE) / B/s0 -->
                      X(3872) Phi(1020) (INSPIRE) / X(3872) --> J/psi(3100) pi+
                      pi- (INSPIRE) / Phi(1020) --> K+ K- (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       = {2005.04764},
      howpublished = {arXiv:2005.04764},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2005.04764;\%\%$},
      pubmed       = {pmid:33095627},
      UT           = {WOS:000575690400002},
      doi          = {10.1103/PhysRevLett.125.152001},
      url          = {https://bib-pubdb1.desy.de/record/450154},
}