TY  - CONF
AU  - Zurek, Maria
TI  - Exclusive Central Meson Production in Proton Antiproton Collisions at the Tevatron at √s = 1960 GeV and 900 GeV
M1  - FZJ-2015-01453
PY  - 2014
AB  - 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 $\chi_{c0}\rightarrow K^{+}K^{-}$.
T2  - International Workshop on Diffraction in High-Energy Physics
CY  - 10 Sep 2014 - 17 Sep 2014, Primosten (Croatia)
Y2  - 10 Sep 2014 - 17 Sep 2014
M2  - Primosten, Croatia
LB  - PUB:(DE-HGF)6
UR  - https://juser.fz-juelich.de/record/187946
ER  -