Rotational-Level Dependence of OH A 2 Σ + Quenching at 242 and 196 K
✍ Scribed by Hemming, Brooke L.; Crosley, David R.
- Book ID
- 125896513
- Publisher
- American Chemical Society
- Year
- 2002
- Tongue
- English
- Weight
- 99 KB
- Volume
- 106
- Category
- Article
- ISSN
- 1089-5639
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📜 SIMILAR VOLUMES
Rotational state-spcc~fic ra~c constants arc mcasurcd for the clcctronic quenching of the OH(A 'r+. U' = 0) state b> N2, 02. H,. Dz. Hz0 and D,O usin: time-rcsolvcd laser-induced fluorrscencc. .A significant drcrcasc in rhc electronic quenching mtc constant is obscmed 3s the amount of rotarional ex
A frequency doubled tu?able dye Iaser hns been used to s&c&y excit P the OH mok-cule to the N' = 0.3 nnd5 rotational Ieve@ of the u' = 1 vibrational level of the A2~C.state. Addition of the gases He, Ar, Ciz, DZ and k& uuses energy transfer to the U' = 0 level. In the cases of Hz, DZ and Nz, the vib
The collisional quenching of OH A'Z(u' = 1) by Hz0 was determined from laser-induced fluorescence measurements in the burned-gas region of stoichiometric H,/OJAr flames at low pressure ( 19 and 38 Torr). The collisional quenching was measured as a function of the initial laser-populated rotational l