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Determination of. alpha. sub s from a differential jet multiplicity distribution at SLC and PEP [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: (7 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 measure the differential jet multiplicity distribution in e⁺e{sup −} annihilation with the Mark 2 detector. This distribution is compared with the second order QCD prediction and α{sub s} is determined to be 0.123 {plus minus} 0.009 {plus minus} 0.005 at √s ∼ M{sub Z} (at SLC) and 0.149 {plus minus} 0.002 {plus minus} 0.007 at √s = 29 GeV (at PEP). The running of α{sub s} between these two center of mass energies is consistent with the QCD prediction. The Q² dependence of the Λ{sub {ovr MS}} determination is also discussed. 21 refs., 3 figs.
Report Numbers
E 1.99:slac-pub-5247
E 1.99: conf-900135--16
conf-900135--16
slac-pub-5247
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
04/01/1990.
"slac-pub-5247"
" conf-900135--16"
"DE90013573"
15. general meeting of the Division of Particles and Fields of the American Physical Society, Houston, TX (USA), 3-6 Jan 1990.
Komamiya, Sachio.
Funding Information
AC03-76SF00515
View MARC record | catkey: 14714466