Central exclusive production at the Tevatron
Michael G. Albrow
TL;DR
This paper reports the first observations of various exclusive processes in hadron-hadron collisions at the Tevatron, including photon-photon, photon-pomeron, and pomeron-pomeron interactions, with measurements of resonance structures.
Contribution
It presents the first experimental evidence of multiple exclusive production processes at the Tevatron, expanding understanding of diffractive phenomena in high-energy collisions.
Findings
Observation of photon-photon to lepton pairs
Detection of photon-pomeron to J/psi and psi(2S)
Measurement of pi+pi- production showing resonance structures
Abstract
The Collider Detector at Fermilab, CDF, observed for the first time in hadron-hadron collisions photon-photon to e+e- and mu+mu-, photon-pomeron to J/psi and psi(2S), and pomeron-pomeron to photon+photon and to chi_c. Exclusive pi+pi- production by double pomeron exchange was also measured at p+pbar CM energies 900 GeV and 1960 GeV, showing f0 and f2 resonance structures.
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