Measurement of direct photon pair production cross sections in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, The and Bertram, Iain and Borissov, Guennadi and Fox, Harald and Williams, Mark and Ratoff, Peter and Love, Peter (2010) Measurement of direct photon pair production cross sections in ppbar collisions at sqrt(s)=1.96 TeV. Physics Letters B, 690 (2). pp. 108-117. ISSN 0370-2693

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Abstract

We present a measurement of direct photon pair production cross sections using 4.2 fb-1 of data collected with the D0 detector at the Fermilab Tevatron proton-antiproton Collider. We measure single differential cross sections as a function of the diphoton mass, the transverse momentum of the diphoton system, the azimuthal angle between the photons, and the polar scattering angle of the photons, as well as the double differential cross sections considering the last three kinematic variables in three diphoton mass bins. The results are compared with different perturbative QCD predictions and event generators.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Additional Information:
11 pages,16 figures, published in physics letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
?? nuclear and high energy physics ??
ID Code:
63710
Deposited By:
Deposited On:
25 Apr 2013 10:20
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 13:47