Search for non-yrast states in /sup 98/Ru via the (/sub 3/He, 2n. gamma. ) reaction
Thesis/Dissertation
·
OSTI ID:5379980
A large number of new states have been observed in /sup 98/Ru via the (/sup 3/He,2n..gamma..) reaction. Because of the low binding energy and low mass of /sup 3/He nuclei, the reaction can be used to populate non-yrast states. Excitation functions, angular distributions, linear polarizations, ..gamma..-..gamma.. coincidences, and ..gamma..-..gamma.. directional correlations were measured and used to construct a level scheme for /sup 98/Ru. Several new techniques were developed for data analysis. The simultaneous analysis of angular distributions and linear polarizations has been shown to be a more powerful tool for making angular momentum assignments than either separately. Together with excitation functions, these experiments did a successful job of predicting spins of many new states. Eighteen of the observed thirty-four states have been observed the first time in this investigation. A rotational model calculation treating the Coriolis term exactly and including a simple residual interaction was performed. The model was successful in predicting the energies and transition properties of many states.
- Research Organization:
- Purdue Univ., Lafayette, IN (USA)
- OSTI ID:
- 5379980
- Country of Publication:
- United States
- Language:
- English
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Investigation of the suitability of the (/sup 3/He,2n. gamma. ) reaction for the study of non-yrast states in /sup 99/Ru
Thesis/Dissertation
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Levels in /sup 99/Ru populated by the (/sup 3/He,2n. gamma. ) reaction: Complete particle-core multiplets
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Related Subjects
651723* -- Nuclear Properties & Reactions
A=90-149
Experimental-- Energy Levels & Transitions-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
CHARGED-PARTICLE REACTIONS
CORRELATIONS
CROSS SECTIONS
DATA
DIRECT REACTIONS
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXCITATION FUNCTIONS
EXCITED STATES
EXPERIMENTAL DATA
FUNCTIONS
GAMMA RADIATION
HELIUM 3 REACTIONS
INFORMATION
INTERMEDIATE MASS NUCLEI
IONIZING RADIATIONS
ISOTOPES
KNOCK-OUT REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
PARTICLE PROPERTIES
POLARIZATION
RADIATIONS
ROTATIONAL STATES
RUTHENIUM 98
RUTHENIUM ISOTOPES
SPIN
STABLE ISOTOPES
A=90-149
Experimental-- Energy Levels & Transitions-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
CHARGED-PARTICLE REACTIONS
CORRELATIONS
CROSS SECTIONS
DATA
DIRECT REACTIONS
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EVEN-EVEN NUCLEI
EXCITATION FUNCTIONS
EXCITED STATES
EXPERIMENTAL DATA
FUNCTIONS
GAMMA RADIATION
HELIUM 3 REACTIONS
INFORMATION
INTERMEDIATE MASS NUCLEI
IONIZING RADIATIONS
ISOTOPES
KNOCK-OUT REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
PARTICLE PROPERTIES
POLARIZATION
RADIATIONS
ROTATIONAL STATES
RUTHENIUM 98
RUTHENIUM ISOTOPES
SPIN
STABLE ISOTOPES