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Cross section for the production of H+ (D+) ions from He+ + H2(D2) encounters below 7.2 eV

✍ Scribed by Darrel G. Hopper; Richard L.C. Wu

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
510 KB
Volume
81
Category
Article
ISSN
0009-2614

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✦ Synopsis

A small cross section for H+ (D+) production from He+ + Hz (Dz) reactions has been detected in ion beam collisioncell experiments. Below 7 eV (c m.) this cross section exhibits a positive energy dependence down to =l eV (c-m.). An inverse dependence is observed over the range 0.1-l eV (c-m.). Possible mechamsms are discussed.

πŸ“œ SIMILAR VOLUMES

Determination of the absolute scattering
Determination of the absolute scattering cross section for the reaction D + H2(v=1) β†’ HD+H at 0.33 eV
✍ R. GΓΆtting; V. Herrero; J.P. Toennies; M. Vodegel πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 English βš– 749 KB

The reaction D+ H2( v= I ) has been investigated in a crossed molecular beam experiment at the most probable collision energy of&=0.33 eV. Angular and time-of-flight distributions have been measured and the total absolute cross section has been determined to be a&, = 0, v= 1, EC ,,,. = 0.33 eV) = 1.

Quantum-mechanical cross sections for th
Quantum-mechanical cross sections for the D + H2 and H + D2 reactive systems. Application of the negative imaginary potentials within the jz approximation
✍ A. Baram; I. Last; M. Baer πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 382 KB

We discuss a new quantum-mechanical approximation to calculate atom-diatom exchange state-to-state cross sections. The method is based on the coupling of the jz approximation with negative imaginary potentials (NIPS). The NIPS produce absorbing boundary conditions which permit the application of L2