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New Results on Testing Duality in Spin Structure from Jefferson Lab [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 2005.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators:
Thomas Jefferson National Accelerator Facility (U.S.), 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 Bloom-Gilman duality has been experimentally demonstrated for spin independent structure functions. Duality is observed when the smooth scaling curve at high momentum transfer is an average over the resonance bumps at lower momentum transfer, but at the same value of scaling variable x. Signs of quark-hadron duality for the spin Dependant structure function g1 of the proton has been recently reported by the Hermes collaboration. Experimental Halls A, B and C at Jefferson lab have recently measured spin structure functions in the resonance region for the proton and the neutron. Data from these experiments combined with Deep-Inelastic-Scattering data provide a precision test of quark-hadron duality predictions for spin structure functions for both the proton and the neutron. This will be one of the first precision tests of spin and flavor dependence of quark-hadron duality.
Report Numbers:
E 1.99:jlab-phy-05-286
E 1.99: doe/er/40150-3805
doe/er/40150-3805
jlab-phy-05-286
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Note:
Published through SciTech Connect.
10/01/2005.
"jlab-phy-05-286"
" doe/er/40150-3805"
Prepared for 13th International Workshop on Deep Inelastic Scattering (DIS 05), Madison, Wisconsin, 27 Apr - 1 May 2005.
Nilanga Liyanage.
Funding Information:
AC05-84ER40150
View MARC record | catkey: 14709741