Khachatryan, V. ; Sirunyan, A. M. ; Tumasyan, A. ; Kailas, S. ; et., al (2011) Measurement of the isolated prompt photon production cross section in pp collisions at √s=7 TeV Physical Review Letters, 106 (8). 082001 _1-082001 _15. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v106/i8/e082001
Related URL: http://dx.doi.org/10.1103/PhysRevLett.106.082001
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=7 TeV using data recorded by the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 2.9 pb-1. Photons are required to have a pseudorapidity |ηγ|<1.45 and ETγ>21 GeV, 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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 85462 |
| Deposited On: | 03 Mar 2012 07:47 |
| Last Modified: | 03 Mar 2012 07:47 |
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