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CT10 next-to-next-to-leading order global analysis of QCD

Jun Gao1, Marco Guzzi2, Joey Huston3, Hung-Liang Lai4, Zhao Li5, Pavel Nadolsky1, Jon Pumplin3, Daniel Stump3, and C.-P. Yuan3,6

  • 1Department of Physics, Southern Methodist University, Dallas, Texas 75275-0181, USA
  • 2Deutsches Elektronensynchrotron DESY, Notkestrasse 85, D-22607 Hamburg, Germany
  • 3Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824-1116, USA
  • 4Taipei Municipal University of Education, Taipei 10048, Taiwan
  • 5Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 6Center for High Energy Physics, Peking University, Beijing 100871, China

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Phys. Rev. D 89, 033009 – Published 19 February, 2014

DOI: https://doi.org/10.1103/PhysRevD.89.033009

Abstract

We present next-to-next-to-leading order (NNLO) parton distribution functions (PDFs) from the CTEQ-TEA group. The CT10NNLO PDF fit is based on essentially the same global data sets used in the CT10 and CT10W NLO PDF analyses. After exploring the goodness of the fits to the HERA combined data and the Tevatron jet data, we present various predictions at NNLO accuracy for both existing and forthcoming precision measurements from the CERN Large Hadron Collider. The range of variations in the gluon distribution introduced by correlated systematic effects in inclusive jet production is also examined.

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Phys. Rev. D 89, 033009– Published 19 February, 2014
  • Received 20 March 2013

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