Actions for Measurements of the Q{sup 2}-Dependence of the Proton and Neutron SpinStructure Functions g{sub 1}{sup p} and g{sub 1}{sup n} [electronic resource].

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Measurements of the Q{sup 2}-Dependence of the Proton and Neutron SpinStructure Functions g{sub 1}{sup p} and g{sub 1}{sup n} [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
297 kilobytes 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
The structure functions g₁{sup p} and g₁ⁿ have been measured over the range 0.014 < x < 0.9 and 1 < Q² < 40 GeV² using deep-inelastic scattering of 48 GeV longitudinally polarized electrons from polarized protons and deuterons. The authors find that the Q² dependence of g₁{sup p}(g₁ⁿ) at fixed x is very similar to that of the spin-averaged structure function F₁{sup p} (F₁ⁿ). From an NLO QCD fit to all available data they find Gamma₁{sup p}-Gamma₁{sup p} = 0.176 ± 0.003 ± 0.007 at Q² = 5 GeV₂, in agreement with the Bjorken sum rule prediction of 0.182 ± 0.005.
Report Numbers
E 1.99:slac-pub-7994
slac-pub-7994
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
07/24/2000.
"slac-pub-7994"
Bosted, Peter.
Type of Report and Period Covered Note
Topical;
Funding Information
AC03-76SF00515
View MARC record | catkey: 14711674