Measurement of the cross section for prompt diphoton production in pp Collisions at TeV
Journal
Physical Review Letters
Journal Volume
95
Journal Issue
2
Date Issued
2005
Author(s)
Acosta, D. et al. (The CDF Collaboration)
Abstract
We report a measurement of the rate of prompt diphoton production in pp collisions at square root of s=1.96 TeV using a data sample of 207 pb(-1) collected with the upgraded Collider Detector at Fermilab. The background from nonprompt sources is determined using a statistical method based on differences in the electromagnetic showers. The cross section is measured as a function of the diphoton mass, the transverse momentum of the diphoton system, and the azimuthal angle between the two photons and is found to be consistent with perturbative QCD predictions.
Type
journal article