CT10 parton distributions and other developments in the global QCD analysis
msra(2011)
摘要
We summarize several projects carried out by the CTEQ global analysis of
parton distribution functions (PDFs) of the proton during 2010. We discuss a
recently released CT10 family of PDFs with a fixed and variable QCD coupling
strength; implementation of combined HERA and Tevatron lepton asymmetry data
sets; theoretical issues associated with the analysis of $W$ charge asymmetry
in PDF fits; PDFs for leading-order shower programs; and constraints on new
color-octet fermions from the hadronic data.
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关键词
global analysis,neutral current,parametrization,high energy physics,new physics
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