Elastic and Inelastic Scattering of Deuterons from Be^9, C^<12>, N^<14> and O^<16> at 14MeV

概要

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Angular distributions of the elastic and inelastic scatterings of deuterons from Be^9, C^<12>, N^<14> and O^<16> were measured by means of a broad range magnetic spectrograph with nuclear emulsion plates at intervals of 5° between 10° and 80° in the laboratory system. Deuterons leading to the 2.31MeV T=1 state of N^<14> were not distinguished from the background so that the violation of the isobaric spin selection rule was not observed. For Be^9, the 2.43MeV (5/2)^- rotational state was excited more strongly than the neighboring states. The 4.43MeV rotational state of C^<12> was also strongly excited. In the case of O^<16> the 6. 14MeV 3^- octupole vibrational state was resolved from the 6.06MeV 0+ state and was found to be excited more strongly than the 6.06 MeV 0+ state and also than the 6.92MeV 2^+ and 7.12MeV 1^-states. Comparison with the inelastic scattering data of protons and of alpha particles indicates that collective states which are excited strongly by protons and by alpha particles are also excited strong]y by deuterons. Experimental angular distributions are compared with the predictions of the nuclear interaction theory of Huby and Newns and of the diffraction theory of Dar, and with the results from the DWBA analysis.
社団法人日本物理学会の論文
1966-12-05