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H_2O self-broadening coefficients of rotation-vibration lines in the 15500 - 16000 cm~(-1) region

机译:15500-16000 cm〜(-1)范围内旋转振动线的H_2O自增系数

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Line broadening coefficients of the H_2O-H_2O system were investigated in the region 15500 - 16000 cm~(-1) using a high resolution Fourier-transform spectrometer IFS-125M The White type multipass absorption cell with a basic length of 60 cm was used. Least-square-fitting algorithm WXSPE was used to retrieve of the spectroscopic parameters from measured spectral data set. Calculations of self-broadening are performed using a semi-empirical approach. This method is further developed by using anharmonic wavefunctions in the estimates of line profiles. This approach explicitly takes into account all scattering channels induced by collisions. Calculated data are in a good agreement with the measured ones.
机译:使用高分辨率傅里叶变换光谱仪IFS-125M在15500-16000 cm〜(-1)范围内研究了H_2O-H_2O系统的线宽系数,使用了基本长度为60 cm的White型多通道吸收池。最小二乘拟合算法WXSPE用于从测量的光谱数据集中检索光谱参数。使用半经验方法进行自我扩展的计算。通过在线路轮廓的估计中使用非谐波波函数来进一步开发此方法。该方法明确地考虑了由碰撞引起的所有散射通道。计算数据与实测数据吻合良好。

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