Energy transfer in A2 sigma OH. 1: Rotational
Abstract
A frequency doubled, tunable dye laser was used to excite individual V, N, J levels of the A- state of the OH molecule. The fluorescence emitted in the presence of known pressures of various fill gases permitted the determination of collisionally induced population changes, and state-to-state energy transfer rates. Results are presented on rotational energy transfer within v=0, using six different initially pumped levels for nitrogen as a collision partner, and two each for hydrogen and argon. It was found that the rates were fast, that a process having delta N = delta J occurs faster than one where delta N does not equal delta J, and that multiquantum transfer rates were nearly as large as single quantum transfer rates.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- January 1978
- Bibcode:
- 1978STIN...7822360L
- Keywords:
-
- Energy Transfer;
- Hydroxyl Radicals;
- Molecular Relaxation;
- Molecular Rotation;
- Dye Lasers;
- Molecular Energy Levels;
- Particle Collisions;
- Reaction Kinetics;
- Lasers and Masers