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Scholarly Communication

Small x gluon from exclusive J/psi production

Teubner, T.; Martin, A.D.; Nockles, C.J. and Ryskin, M. (2007) Small x gluon from exclusive J/psi production. In: 15th International Workshop On Deep-Inelastic Scattering And Related Subjects (DIS2007), 16-20 Apr 2007, Munich, Germany.

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Cited 10 times in WoS


Exclusive J/psi production, gamma* p -> J/psi p, offers a unique opportunity to determine the gluon density of the proton in the small x domain. We use the available HERA data to determine the gluon distribution in the region 10^{-4} <~ x <~ 10^{-2} and 2 <~ Q^2 <~ 10 GeV^2, where the uncertainty on the gluon extracted from the global parton analyses is large. The gluon density is found to be approximately flat at the lower scale; it is compared with those of recent global analyses.

Item Type:Conference or Workshop Item (Paper)
Additional Information:LTH - 755; arXiv Number: arXiv:0709.4406v1.ISBN 978-3-935702-23-2.
Uncontrolled Keywords:talk Munich 2007/04/16; electron p; inelastic scattering; photon p; J/psi(3100); electroproduction; Photoproduction; gluon; momentum spectrum; small-x; quantum chromodynamics; perturbation theory; channel cross section; energy dependence; higher-order; correction; Upsilon(9460); numerical calculations
Subjects:Q Science > QC Physics
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Science > Department of Mathematical Sciences
Publisher's Statement:You are free: to Share — to copy, distribute and transmit the work; to Remix — to adapt the work. Under the following conditions: Attribution. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). For any reuse or distribution, you must make clear to others the license terms of this work. The best way to do this is with a link to this web page: Any of the above conditions can be waived if you get permission from the copyright holder. Nothing in this license impairs or restricts the author's moral rights.
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ID Code:353
Deposited On:30 Nov 2009 12:22
Last Modified:20 May 2011 16:58

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