The Al27(p, p)Al27 Reaction
1965 年 20 巻 5 号 p. 669-678
詳細
1965 年 20 巻 5 号 p. 669-678
The excited states of Si28 were studied by the Al27(p, p)Al27 reaction in the energy region Ep=770–1390 keV. Definite anomalies of the excitation functions were observed at 140°46′ C.M. for the 991, 1117, 1182, 1198, 1362, 1380 and 1387 keV resonances and an ambiguous one for the 936 keV. For the 1117, 1182 and 1198 keV resonances the excitation functions were studied at 90° C.M. too.
The results were analyzed by the R-matrix formalism taking into account the energy spread which came from the beam energy spread and the target thickness. The spin-parities of the 1117, 1182 and 1198 keV resonances were determined to be 3− or 4−, 2+ and 3−, respectively.
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