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Measurement of the Isolated Prompt Photon Production Cross Section in pp Collisions at s=7TeV

V. Khachatryan et al. (CMS Collaboration)
Phys. Rev. Lett. 106, 082001 – Published 23 February 2011

Abstract

The differential cross section for the inclusive production of isolated prompt photons has been measured as a function of the photon transverse energy ETγ in pp collisions at s=7TeV using data recorded by the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 2.9pb1. Photons are required to have a pseudorapidity |ηγ|<1.45 and ETγ>21GeV, covering the kinematic region 0.006<xT<0.086. The measured cross section is found to be in agreement with next-to-leading-order perturbative QCD calculations.

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  • Received 3 December 2010

DOI:https://doi.org/10.1103/PhysRevLett.106.082001

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 2011 CERN, for the CMS Collaboration

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Vol. 106, Iss. 8 — 25 February 2011

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