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C$sup 13$(P,$gamma$)N$sup 14$ REACTION AND THE 9.17-, 7.03-, AND 6.44-Mev STATES IN N$sup 1$$sup 4$

Journal Article · · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
; ;
A re-examination of the gamma -ray decay of the 9.17-Mev state in N/sup 14/, reached at the 1.75-Mev resonance in the C/sup 13/(p, gamma )Ni/sup 14/ reaction, has confirmed the shell-model assignments previously given to that state and the 7.03-Mev state. The observation of a weak transition to the 2.31Mev state supports the positive parity assignment of the 9. 17-Mev state. Angular distribution and correlation measurements indicate an amplitude ratio of f wave to p wave in the formation of the compound state of --0.70 plus or minus 0.26 and E2/M1 amplitude ratios of --0.005 plus or minus 0.020 and --0.6 plus or minus 0.1 for the 9.17 -- ground-state and 7.03 yields groundstate transitions, respectively. A slight preference for a positive parity assignment for the 8.44-Mev state is found. The results, in general, are in good agreement with the calculations of Warburton and Pinkston. The alternative shell-model configurations suggested by them for the 6.44Mev state are examined, but existing data are found to be inconclusive. (auth)
Research Organization:
Univ. of Kansas, Lawrence
NSA Number:
NSA-17-011714
OSTI ID:
4698254
Journal Information:
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 129; ISSN PHRVA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ANGULAR DISTRIBUTION
CARBON 13
CORRELATION FUNCTION
DECAY
ENERGY LEVELS
GAMMA RADIATION
MEASURED VALUES
NITROGEN 14
NUCLEAR MODELS
NUCLEAR REACTIONS
ORBITS
PARITY
PHYSICS
PROTONS
RESONANCE
SHELL MODELS
STATISTICS
TRANSITIONS