Measurements of Q{sub 2} evolution of the GDH sum rule and the spin structure of the {sup 3}He and the neutron
Conference
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OSTI ID:755812
The authors have recently completed experiment E94-010 at Jefferson Lab. The experiment used a polarized {sup 3}He target and polarized electron beam to measure asymmetries and cross sections for {sup 3}He (e,e{prime}) from the threshold to deep inelastic region, covering the quasielastic and the resonance region. The Q{sup 2} range covered is from 0.03 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 Gerasimov-Drell-Hearn (GDH) sum rule will be studied. This is the first measurement of the Q{sup 2} evolution of the GDH sum rule. Preliminary results are presented. Plans for future study on this subject at Jefferson Lab is discussed.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 755812
- Report Number(s):
- DOE/ER/40150-1473; JLAB-PHY-99-25; TRN: US0002577
- Resource Relation:
- Conference: Few Body Systems Supplement 0, 1-6 (1999), No location given, No date given; Other Information: PBD: 1 Oct 1999
- Country of Publication:
- United States
- Language:
- English
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