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Excitation Functions for Alpha-Induced Reactions on Zinc-64

Excitation Functions for Alpha-Induced Reactions on Zinc-64 Eleven excitation functions for alpha-induced reactions on Zn 64 have been measured up to incident energies of 41 Mev. The values of σ ( α , p ) σ ( α , n ) and σ ( α , p n ) σ ( α , 2 n ) in the region of maximum yield were found to be 1.7 and 9, respectively. Reactions involving alpha-particle emission account for about 20% of the total inelastic cross section at 40 Mev. The total inelastic cross section was found to agree with calculated values for r 0 = 1.6 × 10 - 13 cm. The competition between different reactions was analyzed in terms of the statistical theory by use of a level density expression of the form W ( E ) = C exp { 2 a ( E - δ ) 1 2 } . Values of a ranging from 0.8 to 2.8 were required to fit the experimental results, indicating that the statistical theory is not completely applicable. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review American Physical Society (APS)

Excitation Functions for Alpha-Induced Reactions on Zinc-64

Physical Review , Volume 115 (4) – Aug 15, 1959
10 pages

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1959 The American Physical Society
ISSN
1536-6065
DOI
10.1103/PhysRev.115.939
Publisher site
See Article on Publisher Site

Abstract

Eleven excitation functions for alpha-induced reactions on Zn 64 have been measured up to incident energies of 41 Mev. The values of σ ( α , p ) σ ( α , n ) and σ ( α , p n ) σ ( α , 2 n ) in the region of maximum yield were found to be 1.7 and 9, respectively. Reactions involving alpha-particle emission account for about 20% of the total inelastic cross section at 40 Mev. The total inelastic cross section was found to agree with calculated values for r 0 = 1.6 × 10 - 13 cm. The competition between different reactions was analyzed in terms of the statistical theory by use of a level density expression of the form W ( E ) = C exp { 2 a ( E - δ ) 1 2 } . Values of a ranging from 0.8 to 2.8 were required to fit the experimental results, indicating that the statistical theory is not completely applicable.

Journal

Physical ReviewAmerican Physical Society (APS)

Published: Aug 15, 1959

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