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@INPROCEEDINGS{Zurek:187946,
      author       = {Zurek, Maria},
      title        = {{E}xclusive {C}entral {M}eson {P}roduction in {P}roton
                      {A}ntiproton {C}ollisions at the {T}evatron at √s = 1960
                      {G}e{V} and 900 {G}e{V}},
      reportid     = {FZJ-2015-01453},
      year         = {2014},
      abstract     = {We have measured exclusive $\pi^{+}\pi^{-}$ production in
                      proton-antiproton collisions at $\sqrt{s}=$0.9 and1.96 TeV
                      in the Collider Detector at Fermilab. We selected events
                      with exactly two oppositely chargedparticles in
                      $|\eta|<1.3$, with no other particles detected in
                      $|\eta|<5.9$. The central $\pi^{+}\pi^{-}$ wasrequired to
                      have rapidity $|y|<1$. By requiring no other charged
                      particles, these events are dominated bydouble pomeron
                      exchange, which constrains the quantum numbers of the
                      central state. The data showresonance structures attributed
                      to the $f_0$ and $f_2$ mesons. We place upper limits on
                      exclusive$\chi_{c0}\rightarrow\pi^{+}\pi^{-}$ and
                      $\chi_{c0}\rightarrow K^{+}K^{-}$.},
      month         = {Sep},
      date          = {2014-09-10},
      organization  = {International Workshop on Diffraction
                       in High-Energy Physics, Primosten
                       (Croatia), 10 Sep 2014 - 17 Sep 2014},
      subtyp        = {Invited},
      cin          = {IKP-2},
      cid          = {I:(DE-Juel1)IKP-2-20111104},
      pnm          = {899 - ohne Topic (POF2-899)},
      pid          = {G:(DE-HGF)POF2-899},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/187946},
}