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Absorption Spectroscopy of (8,1) Band in d^3△-a^3П System of CS Radical

Absorption Spectroscopy of (8,1) Band in d^3△-a^3П System of CS Radical
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摘要 The CS radical was generated by discharging the mixture gas of CS2 and Helium. The Doppler limited spectra of CS were recorded in the region of 12350-12950 cm^-1 using optical heterodyne concentration modulation absorption spectroscopy. Three hundred and twenty-six lines were recorded and assigned to the d^3△-a^3П (8,1) band, in which eighty-three transitions were first observed. A set of improved molecular constants for the d^3△(v=8) and a^3П(v=1) levels were determined by a non-linear least-squares fitting of all the lines to the effective Hamiltonian.
出处 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 2012年第5期513-518,I0003,共7页 化学物理学报(英文)
关键词 CS radical Concentration modulation absorption spectroscopy Molecularconstant 吸收光谱 CS2 自由基 最小二乘法拟合 系统 有效哈密顿 混合气体 浓度调制
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