State-to-state rate coefficients for rotational energy transfer of CO in collisions with molecules in interstellar clouds
Absolute measurements of state-to-state rotational energy transfer between CO and H2 at interstellar temperatures
State-to-state rate coefficients for rotational energy transfer of in collision with are reported at the very low temperatures prevailing in dense interstellar clouds(5 - 20 k).
Detailed agreement between quantum state-selected experimentsperformed in cold supersonic flows using time-resolved infrared-vacuum-ultraviolet double resonance spectroscopy and close-coupling quantum-scattering calculations confirms the validity of the calculations for collisions between the two most abundant molecules in the interstellar medium.
H. Labiad, M. Fournier, L. A. Mertens, A. Faure, D. Carty, T. Stoecklin, P. Jankowski, K. Szalewicz, S. D. Le Picard, I. R. Sims