Generalized GDH experiments at CLAS
Conference
·
OSTI ID:824789
The Gerasimov-Drell-Hearn sum rule relates the helicity dependent total photo-absorption cross section of circularly polarized photons on polarized nucleons to the nucleon anomalous magnetic moment. This sum rule follows from unsubtracted dispersion relation applied to the forward Compton-scattering amplitude and the Low Energy Theorem. Because of the 1/? weight, the sum rule is mostly sensitive to the low energy part of the cross section.
- 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:
- 824789
- Report Number(s):
- JLAB-PHY-03-27; DOE/ER/40150-2706
- Country of Publication:
- United States
- Language:
- English
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