Giant dipole resonance and the shape of the transition nuclei Ir and Pt
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:6320668
Photoneutron yield curves have been measured for the isotopes /sup 191,193/Ir and /sup 194,195,196,198/Pt in the bremsstrahlung beam of a betatron in the energy range 8--21 MeV with a 0.2-MeV step. For the isotopes /sup 194,196,198/Pt we have also measured the photoneutron multiplicity curves. The measurements were made on-line with a computer. The cross sections were calculated from the yield curves by the Penfold-Leiss method with a 1.0-MeV step. The multiplicty curves were used to separate the contributions of (..gamma..,n) and (..gamma..,2n) reactions. On the basis of the photoabsorption cross sections we have calculated the integrated cross sections, deformation parameters, and average energies. The existence of oblate deformation in these nuclei is not confirmed by the analysis of the measured cross sections.
- Research Organization:
- Saratov State University
- OSTI ID:
- 6320668
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 27:6; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651925* -- Nuclear Properties & Reactions
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYONS
DEFORMED NUCLEI
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
GIANT RESONANCE
HADRONS
IRIDIUM 191 TARGET
IRIDIUM 193 TARGET
MEV RANGE
MEV RANGE 10-100
MULTIPLICITY
NEUTRONS
NUCLEAR REACTION YIELD
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
PHOTONEUTRONS
PHOTONUCLEAR REACTIONS
PHOTONUCLEONS
PLATINUM ISOTOPES
RESONANCE
TARGETS
YIELDS
A=190-219
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYONS
DEFORMED NUCLEI
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
GIANT RESONANCE
HADRONS
IRIDIUM 191 TARGET
IRIDIUM 193 TARGET
MEV RANGE
MEV RANGE 10-100
MULTIPLICITY
NEUTRONS
NUCLEAR REACTION YIELD
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
PHOTONEUTRONS
PHOTONUCLEAR REACTIONS
PHOTONUCLEONS
PLATINUM ISOTOPES
RESONANCE
TARGETS
YIELDS