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The Reaction F 19 ( d , n )Ne 20 and the Energy Levels of Ne 20

Journal Article · · Journal of the Physical Society of Japan
DOI:https://doi.org/10.1143/JPSJ.13.1241· OSTI ID:4288391
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The energy spectra of neutrons emitted in the reaction F/sup 19/(d,n)Ne/ sup 20/ produced by the 2.17 Mev deuteron, were measured with nuclear plates disposed at angles of 0 to 165 degrees, with respect to the incident deuteron, at intervals of 15 degrees. The general features of the spectra were consistent with the evaporation model. From these spectra, the energy levels of Ne2/sup 20/ were found at excitation energies of 1.74 plus or minus 0.03, 4.20 plus or minus 7.41 plus or minus 0.05, 7.90 plus or minus 0.04, 9.15 plus or minus 0.04 and 10.01 plus or minus 0.03 Mev. Some evidences for the existence of new levels at 0.65 plus or minus 0.04, 2.53 plus or minus 0.07, 8.32 plus or minus 0.03, 8.71 plus or minus 0.01 and 9.50 plus or minus 0.04 Mev were also obtained. The Q-value for the ground state transition was determined to be 10.81 plus or minus 0.03 Mev. The angular distributions of the neutrons leading to the ground state and the lowest four excited states, with exception of the uncertain states, were obtained and compared with the stripping theory. The agreement is not very good. The relative values of total cross sections for each neutron group were estimated.
Research Organization:
Kyushu Univ., Fukuoka, Japan
Sponsoring Organization:
USDOE
NSA Number:
NSA-13-003304
OSTI ID:
4288391
Journal Information:
Journal of the Physical Society of Japan, Journal Name: Journal of the Physical Society of Japan Journal Issue: 11 Vol. 13; ISSN 0031-9015
Publisher:
Physical Society of Japan
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

43 PARTICLE ACCELERATORS
ANGULAR DISTRIBUTION
CROSS SECTIONS
DEUTERON BEAMS
DEUTERONS
EMISSION
ENERGY
ENERGY LEVELS
ENERGY RANGE
EVAPORATION
EXCITATION
FISSION
FLUORINE 19
IONIZATION
MEASURED VALUES
NEON 20
NEUTRONS
NUCLEAR EMULSIONS
NUCLEAR MODELS
NUCLEAR REACTIONS
PARTICLE TRACKS
SPECTRA
STRIPPING
TARGETS
TRANSIENTS