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QCD phenomenology of parton distribution functions at small x [electronic resource].

Published:
Washington, D.C : United States. Dept. of Energy. Office of Energy Research, 1990.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: (9 pages) : digital, PDF file
Additional Creators:
Fermi National Accelerator Laboratory, United States. Department of Energy. Office of Energy Research, National Science Foundation (U.S.), and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
The small x behavior of parton distributions is studied phenomenologically by examining in detail a series of QCD-evolved distribution sets obtained in a new global analysis of deep inelastic scattering and lepton-pair production experiments. The importance of 2-loop evolution is discussed. The main features and results of the global analysis are described. The range of small x behavior consistent with next-to-leading order QCD and current data is delineated. The extrapolated small x behavior is parameterized by effective Q-dependent power- and logarithmic-law parameters. Intriguing features of the evolution of these parameters with Q are presented. Alternative parametrizations based on the analytic solution for small x is also explored. 20 refs., 6 figs., 1 tab.
Report Numbers:
E 1.99:fnal/c-90/200-t
E 1.99: conf-9005264--4
conf-9005264--4
fnal/c-90/200-t
Subject(s):
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Note:
Published through SciTech Connect.
09/01/1990.
"fnal/c-90/200-t"
" conf-9005264--4"
"DE91006382"
": PHY89-05161"
DESY topical meeting: small-x behavior of deep inelastic structure functions in QCD, Hamburg (Germany, F.R.), 14-16 May 1990.
Tung, Wu-Ki Fermi National Accelerator.
Funding Information:
AC02-76CH03000
View MARC record | catkey: 14714394