Vibrational mode effects and energy disposal in reactions of polyatomic ions

Scott L. Anderson

doi:10.1117/12.220856

18 September 1995 Vibrational mode effects and energy disposal in reactions of polyatomic ions

Scott L. Anderson

Proceedings Volume 2548, Laser Techniques for State-Selected and State-to-State Chemistry III; (1995) https://doi.org/10.1117/12.220856
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Laser excitation is used to create small polyatomic ions with excitation in selected vibrational modes. These are formed into a beam and collided with a neutral target gas. Reactions are studied and product recoil energy distributions are measured as a function of collision energy and vibrational state. A wide variety of dynamical behavior is observed: strong mode-selective vibrational effects, severe steric bottlenecks, mode-dependent barrier crossing, complex lifetimes ranging from 10 microsecond(s) ec to 100 fsec, and impact parameter dependent mechanism switching.

Citation Download Citation

Scott L. Anderson "Vibrational mode effects and energy disposal in reactions of polyatomic ions", Proc. SPIE 2548, Laser Techniques for State-Selected and State-to-State Chemistry III, (18 September 1995); https://doi.org/10.1117/12.220856

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