Dynamics of isolated-photon plus jet production in pp collisions at root s=7 TeV with the ATLAS detector

G. Aad, T. Abajyan, B. Abbott, J. Abdallah, Mogens Dam, Peter Henrik Hansen, Jørgen Beck Hansen, Jørn Dines Hansen, John Renner Hansen, Simon Johann Franz Heisterkamp, Esben Bryndt Klinkby, Morten Dam Jørgensen, Nele Maria Philomena Boelaert, Sascha Mehlhase, Ask Emil Løvschall-Jensen, Troels Christian Petersen, Björn Stefan Nilsson, Stefania Xella

39 Citationer (Scopus)

Abstract

The dynamics of isolated-photon plus jet production in pp collisions at a centre-of-mass energy of 7 TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of 37 pb−1. Measurements of isolated-photon plus jet bin-averaged cross sections are presented as functions of photon transverse energy, jet transverse momentum and jet rapidity. In addition, the bin-averaged cross sections as functions of the difference between the azimuthal angles of the photon and the jet, the photon–jet invariant mass and the scattering angle in the photon–jet centre-of-mass frame have been measured. Next-to-leading-order QCD calculations are compared to the measurements and provide a good description of the data, except for the case of the azimuthal opening angle.

OriginalsprogEngelsk
TidsskriftNuclear Physics B
Vol/bind875
Udgave nummer3
Sider (fra-til)483-535
ISSN0550-3213
DOI
StatusUdgivet - 21 okt. 2013

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