The 1D-3P Transitions in Atomic Oxygen Induced by Impact with Atomic Hydrogen

摘要

The rate coefficients for electronic transitions between the 3P and 1D states of oxygen atoms induced by collision with hydrogen atoms are computed using a rigorous quantum mechanical method and accurate interaction potentials of the OH molecule. The rate coefficient for the electronic relaxation of O(1D) to O(3P) is almost independent of temperature between 1000 and 10,000 K with a magnitude of 10-12 cm3 s-1. The rate coefficient for the electronic excitation of O(3P) to O(1D) varies from 5.40 × 10-23 cm3 s-1 at T = 1000 K to 5.96 × 10-14 cm3 s-1 at T = 10,000 K.