Generalized GDH Sum Rule and Spin-Dependent Electroproduction in Resonance Region
We have measured the spin-parallel and spin-perpendicular asymmetries and cross sections for inclusive {sup 3}{bar H}e({bar e}e{prime}) reaction from the quasielastic to beyond the resonance region. The Q{sup 2} range covered is from 0.1 to 1 GeV{sup 2}. From these data, the {sup 3}He and the neutron spin structure and the Q{sup 2} evolution of the generalized Gerasimov-Drell-Hearn (GDH) sum are extracted. Preliminary results are presented. Plans for future studies on this subject is discussed. Also discussed is a new approved experiment in the resonance region at higher Q{sub 2} range to study spin duality.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 780459
- Report Number(s):
- JLAB-PHY-01-09; DOE/ER/40150-1840
- Journal Information:
- World Scientific, Journal Name: World Scientific
- Country of Publication:
- United States
- Language:
- English
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