Measurement of the Cross Section for Prompt Isolated Diphoton Production in p\bar p Collisions at \sqrt{s} = 1.96 TeV
arXiv:1106.5131 · doi:10.1103/PhysRevD.84.052006
Abstract
This article reports a measurement of the production cross section of prompt isolated photon pairs in proton-antiproton collisions at \sqrt{s} = 1.96 TeV using the CDF II detector at the Fermilab Tevatron collider. The data correspond to an integrated luminosity of 5.36/fb. The cross section is presented as a function of kinematic variables sensitive to the reaction mechanisms. The results are compared with three perturbative QCD calculations: (1) a leading order parton shower Monte Carlo, (2) a fixed next-to-leading order calculation and (3) a next-to-leading order/next-to-next-to-leading-log resummed calculation. The comparisons show that, within their known limitations, all calculations predict the main features of the data, but no calculation adequately describes all aspects of the data.
33 pages, 21 figures, submitted to Physical Review D
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- Diphoton production at Next-to-Next-to-Leading-Order
- Search for a Higgs boson in the diphoton final state using the full CDF data set from proton-antiproton collisions at \surds = 1.96 TeV
- A detail study of the LHC and TEVATRON hadron-hadron prompt-photon pair production experiments in the angular ordering constraint k_t-factorization approaches
- Review of physics results from the Tevatron: QCD physics
- Four photon production at the LHC: an application of 2->4 analytic unitarity
- Production of three isolated photons in the parton Reggeization approach at high energies
- Consistent simulation of non-resonant diphoton production in hadron collisions including associated jet production up to two jets
- Master Integrals for Electroweak corrections to -- Light quark contributions
- Direct Photon Results from CDF