Recoil-Proton Polarization in High-Energy Deuteron Photodisintegration with Circularly Polarized Photons
Journal Article
·
· Phys. Rev. Lett.
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, Newport News, VA
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 903398
- Report Number(s):
- JLAB-PHY-07-629; DOE/ER/40150-4281
- Journal Information:
- Phys. Rev. Lett., Journal Name: Phys. Rev. Lett. Vol. 98; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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