Surface structure of deformed nuclei by radial and angular localization in heavy-ion scattering
Thesis/Dissertation
·
OSTI ID:6207474
Theoretical and experimental methods for studying heavy-ion inelastic scattering from deformed nuclei are described. The theoretical methods involve classical-limit approximations, while particle-..gamma..-ray spectroscopy techniques are employed experimentally. With these approaches, heavy-ion excitation in the Coulomb-nuclear interference region acquires a transparent interpretation, despite the apparent complexity of the multistep excitation processes involved. Radial and angular localization effects in such collisions are discussed. The sensitivity of the inelastic scattering to details of the surface ion-ion potential due to radial and angular localization is exploited to introduce a method of determining the equipotential contours in a direct manner which bypasses particular model-dependent parametrizations. Adiabatic giant resonance polarization potentials are included explicitly in the prescription. Experimental inelastic excitation functions for the scattering of /sup 40/Ar projectiles from /sup 156/Gd, /sup 160/Gd, /sup 162/Dy, /sup 164/Dy, and /sup 180/Hf are reported. Ion-ion potential contours for these systems are obtained with the aforementioned method. These contours agree well with calculations which employ deformed double-folding potentials and deformed proximity potentials. Electric quadrupole and hexadecapole moments deduced for /sup 180/Hf disagree with previous Coulomb-excitation measurements with ..cap alpha..-particle projectiles.
- Research Organization:
- Tennessee Univ., Knoxville (USA)
- OSTI ID:
- 6207474
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651815 -- Nuclear Properties & Reactions
A=150-189
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
651825* -- Nuclear Properties & Reactions
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Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ARGON 40 REACTIONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DEFORMED NUCLEI
DYSPROSIUM 162 TARGET
DYSPROSIUM 164 TARGET
EXCITATION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
GADOLINIUM 156 TARGET
GADOLINIUM 160 TARGET
GIANT RESONANCE
HAFNIUM 180 TARGET
HEAVY ION REACTIONS
INELASTIC SCATTERING
INFORMATION
NUCLEAR POTENTIAL
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
POTENTIALS
RESONANCE
SCATTERING
SEMICLASSICAL APPROXIMATION
SPECTROSCOPY
TARGETS
A=150-189
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
651825* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ARGON 40 REACTIONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DEFORMED NUCLEI
DYSPROSIUM 162 TARGET
DYSPROSIUM 164 TARGET
EXCITATION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
GADOLINIUM 156 TARGET
GADOLINIUM 160 TARGET
GIANT RESONANCE
HAFNIUM 180 TARGET
HEAVY ION REACTIONS
INELASTIC SCATTERING
INFORMATION
NUCLEAR POTENTIAL
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
POTENTIALS
RESONANCE
SCATTERING
SEMICLASSICAL APPROXIMATION
SPECTROSCOPY
TARGETS