Magnetic Hyperfine Structure in the Rotational Spectrum of H_2CO
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概要
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The theory of magnetic hyperfine interaction of an asymmetric rotor molecule with C_2σ symmetry in 1^Z state was discussed, and the magnetic hyperfine structures in the low frequency rotational spectrum of formalde-hyde were studied with a beam maser. The ΔF=0 and the ΔF=±1 components in the J=4, K_<-1>=3 and the J=5, K_<-1>=3 Q-branch transitions were observed with good signal-to-noise ratio. The frequency of the ΔF=0 component of the J=5, K_<-1>=3 line was measured as 18.275±0.004 Mc. The observed hyperfine structures were analysed with the theory, and the hyperfine coupling constants were determined as α=-13.2±3.4kc, β=-3.0±3.4 kc and γ=30.2±2.7 kc. The coupling constants were theoretically interpreted, and a proportionality of the hyperfine coupling constans and the rotational g factors for the asymmetric rotor molecule was found.
- 社団法人日本物理学会の論文
- 1961-02-05
著者
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Takuma Hiroshi
Department Of Physics Faculty Of Science University Of Tokyo:(present)department Of Applied Physics
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Takuma Hiroshi
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Takuma Hiroshi
Department Of Physics Faculty Of Science University Of Tokyo
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