Complete and incomplete momentum-transfer processes in the reaction sup 16 O + @Si
Thesis/Dissertation
·
OSTI ID:5190393
Complete and incomplete fusion components from the nuclear reaction {sup 16}O + {sup nat}Si were studied at 39.2, 59.0. 80.6, 96.4, 112.4, and 127.8 MeV bombarding energy. Inclusive measurements of evaporation residues (ERs) were made at all energies; ER/{alpha}-particle coincidence measurements were made at 127.8 MeV. Theoretical predictions of observable features of fusion and incomplete fusion are discussed, for inclusive and coincidence measurements. The design, construction, and calibration of a new time of flight (TOF) heavy ion spectrometer for the detection of ERs from this reaction is discussed. A model-independent method for extracting complete and incomplete momentum transfer components (CMT and ICMT) of the inclusive data, which are expected to correspond to complete and incomplete fusion (CF and ICF), is presented. Results of the collection and analysis of both the inclusive and coincidence data are presented. From the inclusive data, the mass, velocity, and angular distributions of the ERs resulting from CMT processes were found in agreement with predictions for CF reactions. From the ERs resulting from ICMT processes, the velocity distributions were found to agree with a two-body projectile fragmentation model; net absorption of clusters of one, two, or three {alpha}-particles seems to be the predominant process.
- Research Organization:
- Florida State Univ., Tallahassee, FL (United States)
- OSTI ID:
- 5190393
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
663450* -- Heavy-Ion-Induced Reactions & Scattering-- (1992-)
663530 -- Nuclear Mass Ranges-- A=20-38-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CALIBRATION
CHARGED-PARTICLE REACTIONS
DATA ANALYSIS
DESIGN
DISTRIBUTION
ELEMENTS
ENERGY RANGE
ENERGY SPECTRA
EVAPORATION MODEL
HEAVY ION FUSION REACTIONS
HEAVY ION REACTIONS
INCLUSIVE INTERACTIONS
INCOMPLETE FUSION REACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
MOMENTUM TRANSFER
NUCLEAR MODELS
NUCLEAR REACTIONS
OXYGEN 16 REACTIONS
PARTICLE INTERACTIONS
RADIATION DETECTORS
SEMICONDUCTOR DETECTORS
SEMIMETALS
SILICON
SPECTRA
SPECTROMETERS
SURFACE BARRIER DETECTORS
TIME-OF-FLIGHT SPECTROMETERS
663530 -- Nuclear Mass Ranges-- A=20-38-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CALIBRATION
CHARGED-PARTICLE REACTIONS
DATA ANALYSIS
DESIGN
DISTRIBUTION
ELEMENTS
ENERGY RANGE
ENERGY SPECTRA
EVAPORATION MODEL
HEAVY ION FUSION REACTIONS
HEAVY ION REACTIONS
INCLUSIVE INTERACTIONS
INCOMPLETE FUSION REACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
MOMENTUM TRANSFER
NUCLEAR MODELS
NUCLEAR REACTIONS
OXYGEN 16 REACTIONS
PARTICLE INTERACTIONS
RADIATION DETECTORS
SEMICONDUCTOR DETECTORS
SEMIMETALS
SILICON
SPECTRA
SPECTROMETERS
SURFACE BARRIER DETECTORS
TIME-OF-FLIGHT SPECTROMETERS