Measurement of the production cross section for pairs of isolated photons in pp collisions at s√=7TeV (CROSBI ID 200626)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Chatrchyan, S. ; ... ; Godinović, Nikola ; Lelas, Damir ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Đurić, Senka ; Kadija, Krešo ; Morović, Srećko ; Luetić, Jelena ; ... ; Mekterović, Darko ; ... ; Swanson, J.
engleski
Measurement of the production cross section for pairs of isolated photons in pp collisions at s√=7TeV
The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7 TeV with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 36 pb−1 is analysed. A next-to-leading-order perturbative QCD calculation is compared to the measurements. A discrepancy is observed for regions of the phase space where the two photons have an azimuthal angle difference Δφ≲2.8 rad.
CMS; QCD
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Podaci o izdanju
12 (1)
2012.
133-1-133-38
objavljeno
1029-8479
10.1007/JHEP01(2012)133
