Angular dependence of recoil proton polarization in high-energy \gamma d \to p n
Journal Article
·
OSTI ID:899853
We measured the angular dependence of the three recoil proton polarization components in two-body photodisintegration of the deuteron at a photon energy of 2 GeV. These new data provide a benchmark for calculations based on quantum chromodynamics. Two of the five existing models have made predictions of polarization observables. Both explain the longitudinal polarization transfer satisfactorily.. Transverse polarizations are not well described, but suggest isovector dominance.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 899853
- Report Number(s):
- JLAB-PHY-07-616; DOE/ER/40150-4223; nucl-ex/0702002; TRN: US0702108
- Country of Publication:
- United States
- Language:
- English
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