DETERMINATION OF THE BETA-1PI-CHI-1-SIGMA AND CHI-1SIGMA ELECTRONIC-TRANSITIONS STRENGTHS OF CAOстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The strengths Se of the B1II-X1Σ electronic transitions of the CaO molecule have been determined by absorption measurements in a shock tube. Powdered calcium oxide and a gaseous mixture of oxygen and argon in the ratio of 1:5 or 1:9 were introduced into the shock channel. The CaO gas-phase concentration was determined by using the equilibrium constant for CaO⇄Ca + O; atomic oxygen concentration was calculated and that of calcium was measured spectroscopically. The values of Se (in atomic units) are for B1II-X1Σ, 1.7 ± 0.5; for C1Σ-X1Σ, 2.1 ± 0.6.