Vibrational Excitation of Polar Molecules by Slow Electrons: HCI

1977 ◽  
Vol 38 (15) ◽  
pp. 820-823 ◽  
Author(s):  
L. Dubé ◽  
A. Herzenberg
1969 ◽  
Vol 22 (6) ◽  
pp. 715 ◽  
Author(s):  
RW Crompton ◽  
DK Gibson ◽  
AI McIntosh

The results of electron drift and diffusion measurements in parahydrogen have been analysed to determine the cross sections for momentum transfer and for rotational and vibrational excitation. The limited number of possible excitation processes in parahydrogen and the wide separation of the thresholds for these processes make it possible to determine uniquely the J = 0 → 2 rotational cross section from threshold to 0.3 eV. In addition, the momentum transfer cross section has been determined for energies less than 2 eV and it is shown that, near threshold, a vibrational cross section compatible with the data must lie within relatively narrow limits. The problems of uniqueness and accuracy inherent in the swarm method of cross section analysis are discussed. The present results are compared with other recent theoretical and experimental determinations; the agreement with the most recent calculations of Henry and Lane is excellent.


1972 ◽  
Vol 5 (1) ◽  
pp. 276-284 ◽  
Author(s):  
Ronald J. W. Henry ◽  
Edward S. Chang

1968 ◽  
Vol 24 (1) ◽  
pp. 160-168 ◽  
Author(s):  
Kazuo Takayanagi ◽  
Yukikazu Itikawa

1970 ◽  
Vol 19 (2) ◽  
pp. 193-198 ◽  
Author(s):  
C. Bottcher

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