Two-photon excitation of NO(A2Σ+; ν′ = 0,1,2) and radiation lifetime and quenching measurements
✍ Scribed by H. Zacharias; J.B. Halpern; K.H. Welge
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 321 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
✦ Synopsis
The NO mokculc has &en excited with tunable pulsed dye hscr by two-photon absorption into the u' = 0, I,2 fcvck of the A 2X* state at bandwidths down to Doppler width. The method has been used to musurc the radiation lifetime and the c&isional dcexcitation of rotationally rcsolvcd levcis in the A 2 Ze+ state.
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Fluorescence excitation by a tunable dye-laser has been used for measuring the natural iifetime of the OH('ZC) radical, and its chemical lifetime in the presence of atomic hydrogen, molecular hydrogen and argon. For the 0H(2Z+, u = 0, N = 2.J = 3/2) state a natural lifetime of (0.82 + 0.04) wet was
Branching fractions are determined for the product NO (A 'X+, u= 0,l) and NO( B 'II, v= 0) emissions as a function of v' in the energy transfer reaction N,(A 'Z:, v') tNO(X 211n v"=O) in a rapidly pumped discharge-flow reactor operated at a total 2 pressure of TC 2 Torr at % 295 K. Using the NO( A Z
Branching fractions are determined for the product NO(A2X +, v = 0, 1 and 2) and NO(B 2I-Ir, v = 0) emissions as a function of v' in the title reaction. Using the NO(A2X +, v' = 0-2 ~ X 2lit, v") "r, Av = v' -v" = -4, -5 and -6 and the NO(B2FIr, v'=0~X2Ilr, v") /3, Av=-6 and -7 band intensities we d