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arXiv 1712.09406physics.chem-ph
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6250 - 6670 \cm \ region中1950 K时的实验水线表

An experimental water line list at 1950 K in the 6250 -- 6670 \cm\ region

Lucile Rutkowski, Aleksandra Foltynowicz, Florian M. Schmidt, Alexandra C. Johansson, Amir Khodabakhsh, Aleksandra A. Kyuberis, Nikolai F. Zobov, Oleg L. Polyan… 展开作者

Lucile Rutkowski, Aleksandra Foltynowicz, Florian M. Schmidt, Alexandra C. Johansson, Amir Khodabakhsh, Aleksandra A. Kyuberis, Nikolai F. Zobov, Oleg L. Polyansky, Sergei N. Yurchenko, Jonathan Tennyson

摘要:

利用基于腔增强的光学频率梳傅里叶变换光谱仪,在甲烷/空气预混平焰中记录了1950 K时H-$_2$ $^{16}$ O的吸收光谱.在6250 - 6670厘米波段共识别出2417条吸收线,精度约为0.01厘米。绝对线强度检索使用可调谐二极管激光吸收光谱获得的温度和浓度值。线分配使用的组合经验已知的能级和预测从新的POKAZATEL变线列表。2030观察到的线被分配到2937过渡,一旦考虑到混合。确定了H-$_2$ $^{16}$ O的126个新能级。所分配的跃迁属于136个带,并且跨越高达$J=27$的转动态。

英文摘要:

An absorption spectrum of H$_2$$^{16}$O at 1950 K is recorded in a premixed methane/air flat flame using a cavity-enhanced optical frequency comb-based Fourier transform spectrometer. 2417 absorption lines are identified in the 6250 -- 6670 cm region with an accuracy of about 0.01 cm. Absolute line intensities are retrieved using temperature and concentration values obtained by tunable diode laser absorption spectroscopy. Line assignments are made using a combination of empirically known energy levels and predictions from the new POKAZATEL variational line list. 2030 of the observed lines are assigned to 2937 transitions, once blends are taken into account. 126 new energy levels of H$_2$$^{16}$O are identified. The assigned transitions belong to 136 bands and span rotational states up to $J=27$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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