Published December 2004
| Version v1
Journal article
Compton scattering of polarized γ rays by 16O for Eγ=25-40 MeV
Creators
- Perdue, B.A.1, 2, 3, 4, 5, 6
- Ahmed, M.W.1, 2, 3, 4, 5, 6
- Tonchev, A.P.1, 2, 3, 4, 5, 6
- Weller, H.R.1, 2, 3, 4, 5, 6
- Feldman, G.1, 2, 3, 4, 5, 6
- Litvinenko, V.N.1, 2, 3, 4, 5, 6
- Pinayev, I.V.1, 2, 3, 4, 5, 6
- Norum, B.E.1, 2, 3, 4, 5, 6
- Prior, R.M.1, 2, 3, 4, 5, 6
- Spraker, M.C.1, 2, 3, 4, 5, 6
- Sawatzky, B.D.1, 2, 3, 4, 5, 6
- 1. Department of Physics, University of Virginia, P.O. Box 400714, Charlottesville, Virginia 22904 (United States)
- 2. North Georgia College and State University, Dahlonega, Georgia 30597 (United States)
- 3. Department of Physics, University of Virginia, P.O. Box 400714, Charlottesville, Virginia 22903 (United States)
- 4. Duke Free Electron Laser Laboratory, Duke University, P.O. Box 90319, Durham, North Carolina 27708 (United States)
- 5. Department of Physics, George Washington University, Washington, DC 20052 (United States)
- 6. Triangle Universities Nuclear Laboratory, Duke University, P.O. Box 90308, Durham, North Carolina 27708 (United States)
Description
Measurements of the polarization asymmetries Σ(θc.m.) and Σ(Eγ) of Compton scattering by 16O have been performed in the energy range of 25-40 MeV over a range of scattering angles between 90 and 150 deg. . An analysis of the present data combined with previous results indicates that significant, narrow concentrations of E2 strength are not present below an excitation energy of 40 MeV. The existence, however, of a broad isovector giant quadrupole resonance exhausting a large percentage of the isovector energy weighted sum rule is not ruled out by the combined data. Additionally, the present data are insensitive to modifications to the free values of the nucleon polarizabilities, but cannot rule them out
Additional details
Identifiers
Publishing Information
- Journal Title
- Physical Review. C, Nuclear Physics
- Journal Volume
- 70
- Journal Issue
- 6
- Journal Page Range
- p. 064305-064305.7
- ISSN
- 0556-2813
- CODEN
- PRVCAN
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 37011713
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Descriptors DEI
- ASYMMETRY; COMPTON EFFECT; EXCITATION; GAMMA RADIATION; GIANT RESONANCE; MEV RANGE; NUCLEONS; OXYGEN 16; OXYGEN 16 TARGET; PHOTON-NUCLEON INTERACTIONS; PHOTONUCLEAR REACTIONS; POLARIZABILITY; POLARIZATION; PROBABILITY; QUADRUPOLES; RESCATTERING; RESONANCE SCATTERING; SUM RULES
- Descriptors DEC
- BARYONS; BASIC INTERACTIONS; ELASTIC SCATTERING; ELECTRICAL PROPERTIES; ELECTROMAGNETIC INTERACTIONS; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; ENERGY RANGE; ENERGY-LEVEL TRANSITIONS; EQUATIONS; EVEN-EVEN NUCLEI; FERMIONS; HADRONS; INELASTIC SCATTERING; INTERACTIONS; IONIZING RADIATIONS; ISOTOPES; LIGHT NUCLEI; MULTIPOLES; NUCLEAR REACTIONS; NUCLEI; OXYGEN ISOTOPES; PARTICLE INTERACTIONS; PHOTON-BARYON INTERACTIONS; PHOTON-HADRON INTERACTIONS; PHYSICAL PROPERTIES; RADIATIONS; RESONANCE; SCATTERING; STABLE ISOTOPES; TARGETS
Optional Information
- Notes
- (c) 2004 The American Physical Society