Actions for Perturbative QCD relations inspired by hypothetical tau leptons [electronic resource].

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Perturbative QCD relations inspired by hypothetical tau leptons [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 1999.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
5 pages : digital, PDF file
Additional Creators
Stanford Linear Accelerator Center, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
We review our recent works on tests of perturbative QCD, inspired by the relation between the hadronic decay of the τ lepton and the e⁺e⁻ annihilation into hadrons. First, we present a set of commensurate scale relations that probe the self-consistency of leading-twist QCD predictions for any observable which defines an effective charge. These tests are independent of the renormalization scheme and scale, and are applicable over wide data ranges. As an example we apply this approach to R{sub e⁺e⁻}. Second, using a differential form of these commensurate scale relations, we present a method to measure the QCD Gell-Mann-Low Ψ function.
Report Numbers
E 1.99:slac-pub-8247
slac-pub-8247
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
09/10/1999.
"slac-pub-8247"
Brodsky, Stanley J.
Type of Report and Period Covered Note
Topical;
Funding Information
AC03-76SF00515
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