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The photon PDF of the proton.

Martin, A. D. and Ryskin, M. G. (2014) 'The photon PDF of the proton.', European physical journal C., 74 (9). p. 3040.

Abstract

We show how the photon input parton distribution function (PDF) may be calculated with good accuracy and used in an extended DGLAP global parton analysis in which the photon is treated as an additional point-like parton. The uncertainty of the input photon PDF is relatively small, since the major part of the distribution (which is produced by the coherent emission of the photon from a proton that remains intact) is well known. We present the expected photon PDFs and compare the predictions with ZEUS data for isolated photon electroproduction at negative rapidities.

Item Type:Article
Full text:(VoR) Version of Record
First Live Deposit - 31 May 2017
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1140/epjc/s10052-014-3040-y
Publisher statement:© The Author(s) 2014 Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. Funded by SCOAP3 / License Version CC BY 4.0.
Record Created:31 May 2017 10:58
Last Modified:31 May 2017 13:53

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