Abstract
The integrated and differential cross-sections of the production of pairs of isolated photons were measured in proton–proton collisions at a centre-of-mass energy of 7 TeV using the CMS detector at the LHC. Data corresponding to an integrated luminosity of 36 pb − 1 were analysed. A next-to-leading-order perturbative QCD calculation was compared to the measurements which showed an overall satisfactory agreement. A discrepancy was observed in the regions of phase space populated by photons radiated at relatively small angles.
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CMS Collaboration, J. Instrum. 3, S08004 (2008)
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AHUJA, S., for the CMS Collaboration. Measurement of the production cross-section of pairs of isolated photons in pp collisions at \({\sqrt{s}} =\) 7 TeV. Pramana - J Phys 79, 813–816 (2012). https://doi.org/10.1007/s12043-012-0375-5
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DOI: https://doi.org/10.1007/s12043-012-0375-5