Excitation Transfer of Helium 3^1P, D→3^3Dby Atomic Collisions : Violation of Wigner's Spin Conservation Rule
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概要
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Pulsed-laser selective~;xcitation has been applied to a helium discharge plasma to excite the 3 IP Ievel. From the observed population perturbations of 3 IP. 3 1 D and 33D Ievels the cross section has been determined for the excitation transfer by atomic collisions: for 31P-33D it is (1.40 0.11)x l0-18 cm2, and for 31D-33D it is (1.25 0.26) x lO- 17 cm2. The possibility has been examined that these transfer processes are interpreted from the mixing of the 3 1 D2 and 3 3D2 atomic wavefunctions that is due to the spin-orbit interaction ; the former cross section is compared with the 3 IP-3 1 D transfer cross section, and the latter is compared with the 3 1 D-Ievel dis-alignment collision cross section, which is measured to be (1.63 0.09) x l0-14 cm2. Discrepancies by one order of magnitude for the both cases indicate the obvious violation of Wigner's spin rule.
- 社団法人日本物理学会の論文
- 1981-10-15
著者
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FUJIMOTO Takashi
Department of Engineering Physics and Mechanics, Graduate School of Engineering, Kyoto University
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Fukuda Kuniya
Department Of Engineering Science Kyoto University
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Fukuda Kuniya
Department Of Engineering Physics Faculty Engineering Kyoto University
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Fujimoto Takashi
Department Of Engineering Science Kyoto University
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Fujimoto Takashi
Department Of Aeronautical Engineering Faculty Of Engineering Kyusyu University
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