A measurement of the cross section for the inclusive production
of isolated photons by the CDF experiment at the Fermilab Tevatron
collider is presented. The measurement covers the pseudorapi+dity region
|\etagamma| < 1.0 and the transverse energy range Egamma_t > 30 GeV
and is based on 2.5 fb-1 of integrated luminosity. The sample is almost
a factor of seven larger than those used for recent published results
and extends the Egamma_T coverage by 100 GeV. The result agrees with
next-to-leading order perturbative QCD calculations within uncertainties
over the range 50 < Egamma_T < 400 GeV, though the energy spectrum
in the data shows a steeper slope at lower Egamma_T.
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Updated: Tuesday, 2009 October 20 09:11:36 CDT automatically from input from carol picciolo