The widths of the 9.991-MeV and 10.165-MeV levels in 27Al

de Kock P.R. ; Koen J.W. ; Mouton W.L. (1968)

Article

Gamma radiation from the decay of two resonances in the reaction 26Mg(p, γ)27Al at Ep = 1.785 MeV and 1.965-MeV, have been resonantly absorbed in aluminium to excite the states at 9.991 MeV and 10.165 MeV, respectively. In addition the γ-decay of the resonances have been studied in detail and angular distribution and yield measurements of the ground-state radiation performed. The following results were obtained: 9.991-MeV Level 10.165-Mev Level Jπ 7 2(-) 5 2+ Γt 1.2 ± 0.3 eV 23 ± 3 eV Γp 0.5 ± 0.2 eV 22 ± 3 eV Γγ 0.7 ± 0.2 eV 1 ± 5 eV. The spin of the 9.629-MeV state in 27Al, excited at Ep = 1.409 MeV, was also determined and found to be 1 2. © 1968.

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