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Advances in High Energy Physics
Volume 2015 (2015), Article ID 231547, 12 pages
http://dx.doi.org/10.1155/2015/231547
Review Article

A Review of the Intrinsic Heavy Quark Content of the Nucleon

1SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94301, USA
2Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS/IN2P3, 53 avenue des Martyrs, 38026 Grenoble, France
3Southern Methodist University, Dallas, TX 75275, USA
4PRISMA Cluster of Excellence, Institut für Physik, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany
5Centre for Theoretical and Mathematical Physics and Department of Physics, University of Cape Town, Rondebosch 7700, South Africa
6Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA
7Physics Department, University of California at Davis, Davis, CA 95616, USA

Received 17 April 2015; Accepted 15 June 2015

Academic Editor: Gianluca Cavoto

Copyright © 2015 S. J. Brodsky et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.

Abstract

We present a review of the state of the art of our understanding of the intrinsic charm and bottom content of the nucleon. We discuss theoretical calculations, constraints from global analyses, and collider observables sensitive to the intrinsic heavy quark distributions. A particular emphasis is put on the potential of a high energy and high luminosity fixed target experiment using the LHC beams (AFTER@LHC) to search for intrinsic charm.