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Measurement of the cross section for prompt isolated diphoton production in pp[over ¯] collisions at sqrt[s]=1.96 TeV
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(2011) Measurement of the cross section for prompt isolated diphoton production in pp[over ¯] collisions at sqrt[s]=1.96 TeV. Physical Review D, Vol.84 (No. 5). doi:10.1103/PhysRevD.84.052006 ISSN 1550-7998.
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Official URL: http://dx.doi.org/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 √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-1. 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.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review D | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1550-7998 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.84 | ||||
Number: | No. 5 | ||||
DOI: | 10.1103/PhysRevD.84.052006 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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