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Ro-vibrational population distribution in the ground state of hydrogen isotopologues in LHD peripheral plasmas deduced from emission spectroscopy
Journal of Quantitative Spectroscopy and Radiative Transfer ( IF 2.3 ) Pub Date : 2021-02-24 , DOI: 10.1016/j.jqsrt.2021.107592
Hiroki Ishihara , Arseniy Kuzmin , Masahiro Kobayashi , Taiichi Shikama , Keiji Sawada , Seiki Saito , Hiroaki Nakamura , Keisuke Fujii , Masahiro Hasuo

Wide wavelength range with high-resolution emission spectroscopy was applied to LHD peripheral plasmas. All measured Fulcher-a band Q-branches spectra (600–630 nm) were measured with a single shot exposure time of 100–200 ms for all investigated discharges. Ro-vibrational populations up to v = 2 and N = 11 for H2 and up to v = 3 and N = 14 for D2 in the 3p3Πu state were estimated, where v and N are vibrational and rotational quantum numbers, respectively. It was found that the rotational population of every vibrational state follows two-temperature Boltzmann distribution. From the calculation with a coronal model, ro-vibrational populations distribution up to such high N quantum numbers in the ground state are deduced.



中文翻译:

发射光谱法推导的左旋多态性外围等离子体中氢同位素同位体在基态下的振动振子分布

具有高分辨率发射光谱的宽波长范围已应用于LHD外围等离子体。所有Fulcher-测量一个带Q-分支光谱(600-630纳米),用100-200毫秒所有研究的放电单杆曝光时间测量。振转种群达v  = 2和Ñ 为H = 11 2和至多v  = 3和Ñ 为d = 14 2在3P 3 Π ù状态估计,其中vÑ分别是振动和旋转量子数。已经发现,每个振动状态的旋转总体遵循两个温度的玻尔兹曼分布。从冠状模型的计算中,推导出了在基态中高达如此高的N量子数的反振动群分布。

更新日期:2021-03-15
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