Multiquantum vibrational transitions in O Õ G 25 q O Õ s 02 2 collisions
نویسندگان
چکیده
Ž . The quenching of highly vibrationally excited O in collision with O Õs0 is investigated using a semiclassical wave 2 2 Ž . packet method. We find that nonreactive collisions dominate the relaxation of O Õ and for Õ in the range 25 to 30 the 2 reactive channel makes little contribution to the quenching process, in agreement with our earlier investigation. We report Ž . vibrational transition cross sections and relaxation rate coefficients for Õs25 to 30 of the excited O Õ molecule. Our 2 study shows that a multiquantum process involving a 2TM1 vibrational transition which has not been included in previous calculations makes an important contribution to the rate coefficients for the relaxation of O vibrational levels ÕG27. 2 q 1998 Elsevier Science B.V. All rights reserved.
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