Reactions /sup 9/Be(. gamma. ,. gamma. '), /sup 11/B(. gamma. ,. gamma. '), and /sup 11/B(. gamma. , X. gamma. ')
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:5901972
Photon energy spectra from the reactions /sup 9/Be(..gamma..,..gamma..'), /sup 11/B(..gamma..,..gamma..'), and /sup 11/B(..gamma..,X..gamma..') have been measured in a bremsstrahlung beam. The cross section for quasielastic scattering of photons by the /sup 9/Be nucleus has been obtained, and also the cross sections for elastic scattering and for the nuclear Raman effect in /sup 11/B. For the reaction /sup 11/B(..gamma..,X..gamma..') excitation functions have been found for the 3.37-MeV level of the /sup 10/Be nucleus and for the 1.74- and 3.49-MeV levels of /sup 10/B. The ratio of the cross sections for total photoabsorption and elastic scattering of photons has been analyzed in the framework of dispersion theory. Conclusions are drawn regarding the spins and parities of a number of levels of the giant resonance. For the /sup 11/B nucleus we have estimated the contribution of 1p-1h configurations to the wave function of the giant resonance.
- Research Organization:
- Nuclear Physics Institute, Moscow State University
- OSTI ID:
- 5901972
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 40:2; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651325* -- Nuclear Properties & Reactions
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BERYLLIUM 9 TARGET
BORON 11 TARGET
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
ELASTIC SCATTERING
ENERGY RANGE
EXPERIMENTAL DATA
GIANT RESONANCE
INFORMATION
MEV RANGE
MEV RANGE 10-100
NUCLEAR REACTIONS
NUMERICAL DATA
PHOTONUCLEAR REACTIONS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
RAMAN EFFECT
RESONANCE
SCATTERING
TARGETS
TOTAL CROSS SECTIONS
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BERYLLIUM 9 TARGET
BORON 11 TARGET
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
ELASTIC SCATTERING
ENERGY RANGE
EXPERIMENTAL DATA
GIANT RESONANCE
INFORMATION
MEV RANGE
MEV RANGE 10-100
NUCLEAR REACTIONS
NUMERICAL DATA
PHOTONUCLEAR REACTIONS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
RAMAN EFFECT
RESONANCE
SCATTERING
TARGETS
TOTAL CROSS SECTIONS