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$sup 10$B($alpha$,n)$sup 13$N, $sup 13$N cross section for $alpha$-energies from 1.0 to 5 MeV

Journal Article · · Nucl. Phys., A, v. A216, no. 1, pp. 188-198
OSTI ID:4395314
;

The three neutron groups, populating the ground state, the 2.566 MeV state and the 3.51, 3.55 MeV doublet of /sup 13/N were studied. Differential cross section measurements between E/sub alpha / = 1.0 and 5.0 MeV at 0, 90, and 160 deg showed fifteen resonances of which nine had not been seen before in this reaction. Angular distributions were taken at six alpha -energies. These confirmed the J/sup pi / = 3/sup -/ assignment of the 12.690 level in /sup 14/N and permitted a tentative assignment of J/sup pi / = 3/sup -/ to the 13.166 MeV level. Compound nucleus formation involving overlap of several resonances appesrs dominant, except for the neutron group to the doublet in /sup 13/N which shows evidence for s direct reaction mechanism. (auth)

Research Organization:
National Research Council of Canada, Ottawa
NSA Number:
NSA-29-011395
OSTI ID:
4395314
Journal Information:
Nucl. Phys., A, v. A216, no. 1, pp. 188-198, Journal Name: Nucl. Phys., A, v. A216, no. 1, pp. 188-198; ISSN NUPAB
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

*ALPHA REACTIONS-- STRIPPING
*BORON 10-- ALPHA REACTIONS
*NITROGEN 14-- ENERGY LEVELS
ANGULAR DISTRIBUTION
COMPOUND NUCLEI
DIFFERENTIAL CROSS SECTIONS
LEVEL WIDTHS
MEV RANGE 01-10
N68331 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
6 <= A <= 19--Energy Levels & Transitions
N68351* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
6 <= A <= 19--Nuclear Reactions & Scattering
NITROGEN 13
PARITY
RESONANCE
SPIN
THREE-NUCLEON TRANSFER REACTIONS