Elsevier

Nuclear Physics A

Volume 234, Issue 1, 25 November 1974, Pages 61-80
Nuclear Physics A

Investigation of the shell model structure of states in 11C and 12N with the (3He, n) reaction on 9Be and 10B

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Abstract

Absolute differential cross sections for the 9Be(3He, n)11C and 10B(3He, n)12N reactions have been measured for 10.5–13 MeV incident helions and lab angles up to 105°. New energy levels are reported at 10.957 ± 0.020 MeV in 11C and at 7.629 ± 0.020, 8.446 ± 0.017, and 9.035 ± 0.012 MeV in 12N. Transferred L-values have been suggested for most transitions. The results of DWBA calculations with both one-component wave functions and the many-component wave functions of Cohen and Kurath are compared with the experimental data. The dominant jj coupling components of several states have been determined. Analog states in the f = 12 triad are suggested.

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