Elsevier

Nuclear Physics

Volume 51, February–March 1964, Pages 518-527
Nuclear Physics

Excitation function of the N14(p, n)O14 total cross section from threshold to 12 MeV

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Abstract

The excitation function of the total N14(p, n)O14 cross section from threshold to 12 MeV was obtained by measuring the activation of O14. The threshold was determined to be 6.345±0.015 MeV. The excitation function rises smoothly from threshold up to about 8 MeV and then stays nearly constant up to 12 MeV, with indication of resonances at 7.5, 7.7, 7.95, 8.20, 9.05, 9.4 and 9.85 MeV. The 9.85 MeV resonance is relatively more pronounced than the others and has Γlab = 600±100 keV. Corresponding resonances in C12+He3 and N14+p due to the same states in O15 are evident. Using the same experimental arrangement the excitation function of the total C12(He3, n)O14 cross section from threshold to 3.5 MeV was also measured.

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Work supported in part by the U.S. Atomic Energy Commission.

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