Muon spin resonance and pulse radiolysis studies of liquid CS2

Toshiyuki Azuma*, Masakazu Washio, Yoneho Tabata, Yasua Ito, Kusuo Nishiyama, Yasuhiro Miyake, Kanetada Nagamine


研究成果: Conference article査読

4 被引用数 (Scopus)


An extensive study of positive muon chemistry has been performed in order to clarify the mechanism of the large loss of the muon spin polarization in CS2. The main technique used in the experiments was 'muon spin resonance'. After a brief demonstration of the usefulness of the resonance method, its application to the study of both the diamagnetic muon and the muonium-substituted free radicals in CS2 are described. The results show an existence of muonium-substituted free radicals in CS2, but they were stable only in limited conditions. The diamagnetic muon fraction, which is only about 0.2 at first, was found to increase slowly with time. This kind of slow formation of muon state has been found for the first time by the resonance method in CS2. From the combination of the obtained results, we infer that the loss of the muon spin polarization is due to reactions of the muonium-substituted free radicals, for which aggregation effect of the substance plays an important role. Results of nanosecond pulse radiolysis of CS2 are also presented compared with the results of the muon chemistry.

ジャーナルRadiation Physics and Chemistry
出版ステータスPublished - 1989
イベントProceedings of an International Symposium on Fast Excitation Processes - Tokyo, Jpn
継続期間: 1988 3月 211988 3月 25

ASJC Scopus subject areas

  • 放射線


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