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Teaching an old dog new tricks: Using the flowing afterglow to measure kinetics of electron attachment to radicals, ion–ion mutual neutralization, and electron catalyzed mutual neutralization.

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Troe,  J.
Emeritus Group of Spectroscopy and Photochemical Kinetics, MPI for Biophysical Chemistry, Max Planck Society;

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Citation

Shuman, N. S., Miller, T. M., Viggiano, A. A., & Troe, J. (2012). Teaching an old dog new tricks: Using the flowing afterglow to measure kinetics of electron attachment to radicals, ion–ion mutual neutralization, and electron catalyzed mutual neutralization. In Advances in atomic, molecular and optical physics (pp. 209-294). Amsterdam: Elsevier.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-EDB4-3
Abstract
Flowing tube apparatuses have been used to study a variety of electron and ion processes at thermal energies. We describe a new technique, variable electron and neutral density attachment mass spectrometry (VENDAMS), which has enabled measurement of rate coefficients for electron attachment to unstable radical molecules and other transient species and for mutual neutralization reactions of anions with noble gas cations, along with, in favorable cases, determination of neutral products of mutual neutralization. Additionally, the method has yielded evidence of a new ternary reaction in which an electron third body enhances anion–cation neutralization at high plasma densities.