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Perturbations in the Rotational Structure of the 4p Complex of H2 Molecule Terms. / Lavrov, B. P.
в: Russian Journal of Physical Chemistry B, Том 6, № 2, 2012, стр. 239-248.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Perturbations in the Rotational Structure of the 4p Complex of H2 Molecule Terms
AU - Lavrov, B. P.
PY - 2012
Y1 - 2012
N2 - A statistical analysis of all the available data on the wave numbers of spectral lines related to triplet-triplet electronic-vibrational-rotational (rovibronic) radiation transitions into the H2 molecule (1sσ2sσ) a3SIGMAg+ electronic state was performed for the first time. This allowed us to check and refine the controversial identification of several spectral lines. Optimum rovibronic term values were found for 15 electronic states, including the (4pσ)f 3SIGMAu+ , (4pπ)k3PIu+ , and (4pπ)k3PIu- states studied in this work. The ratios between the oscillator strengths of R- and P-branch lines with common upper levels (branching coefficients) for the f3SIGMAu+ ->a3SIGMAg+ and k3PIu+ -> a3SIGMAg+ systems of H2 molecule bands were measured for the first time. Substantial deviations of the measured branching coefficients from the corresponding ratios between the Henl–London factors were observed. The deviations monotonically increased as the rotational quantum number N grew, which, in combination with substantial Λ
AB - A statistical analysis of all the available data on the wave numbers of spectral lines related to triplet-triplet electronic-vibrational-rotational (rovibronic) radiation transitions into the H2 molecule (1sσ2sσ) a3SIGMAg+ electronic state was performed for the first time. This allowed us to check and refine the controversial identification of several spectral lines. Optimum rovibronic term values were found for 15 electronic states, including the (4pσ)f 3SIGMAu+ , (4pπ)k3PIu+ , and (4pπ)k3PIu- states studied in this work. The ratios between the oscillator strengths of R- and P-branch lines with common upper levels (branching coefficients) for the f3SIGMAu+ ->a3SIGMAg+ and k3PIu+ -> a3SIGMAg+ systems of H2 molecule bands were measured for the first time. Substantial deviations of the measured branching coefficients from the corresponding ratios between the Henl–London factors were observed. The deviations monotonically increased as the rotational quantum number N grew, which, in combination with substantial Λ
KW - rovibronic terms
KW - H2 molecule
KW - spontaneous transition probabilities
KW - perturbations in spectra
KW - electron-rotational interaction
U2 - DOI: 10.1134/S1990793112020194
DO - DOI: 10.1134/S1990793112020194
M3 - статья
VL - 6
SP - 239
EP - 248
JO - Russian Journal of Physical Chemistry B
JF - Russian Journal of Physical Chemistry B
SN - 1990-7931
IS - 2
ER -
ID: 5378172