Inelastic Scattering of Deuterons from C^<12>, Mg^<24> and Ni^<60>
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概要
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The absolute differential cross sections for the inelastic scattering of deuterons leading to the first excited state of C^<12> has been measured at the bombarding deuteron energies of 14.7, 15.9 and 18.1 MeV. Similar measurements were made on Mg^<24> at deuteron energies of 15.9 and 17.5 MeV and also on Ni^<60> at 18.1 MeV. Deuterons are detected with thin CsI crystals, so that protons from (d, p) reactions do not contribute to the cross section. The energy resolution of the detectors is less than 4 percent. The obtained angular distributions show a prominent peak at small angles in all the cases and the cross sections decrease at the extremely forward angles. Therefore it is not necessary to take into account the electric interaction to explain these reactions. These angular distributions are compared with the results at different deuteron energies given by other authors, and are observed to have an unusual energy dependence. The data are analysed with the nuclear interaction theory of Huby and Newns. When the theoretical curve is normalized to fit to the measurement at the forward peak, disagreement between the theoretical curve and the experimental one occurs at the other places, which shows the need of modifing the theoretical calculations with the distorted wave approximation taking a proper optical potential to explain the reaction.
- 社団法人日本物理学会の論文
- 1961-06-05
著者
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Ishizaki Yoshihide
Institute For Nuclear Study University Of Tokyo
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Ishizaki Y.
Institute for Nuclear Study, University of Tokyo
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