Physics
Scientific paper
Jul 1962
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1962natur.195...66h&link_type=abstract
Nature, Volume 195, Issue 4836, pp. 66-67 (1962).
Physics
11
Scientific paper
THE interaction of low-energy (less than 1 eV.) electrons with water vapour has been examined by means of a swarm method1-3 in which water vapour at pressure f1p was added to ethylene, carbon dioxide and methane, at pressures f2p. It was found that when f1p ranged from 1 to 16 mm. mercury, and f2p was of the order of 100-200 mm. mercury, no electron capture occurred for an E/P [V. cm.-1 (mm. mercury)-1] ranging from 0.01 to 4.0. (An exception must be made for the case of water-carbon dioxide where a very small capture cross-section was observed and may be due to the formation of carbonic acid.) However, an interesting and significant increase in the electron transport time was observed and is illustrated in Fig. 1 for mixtures of water and ethylene. In Fig. 1, w-1 is the transport time per cm. of travel in the field direction, and it is observed that: (1) w-1 increases linearly with the ratio f1/f2; (2) w-1 is independent of the total pressure p for the range 100-400 mm. mercury. These results suggest that electrons make collisions of long duration with water and that the lifetime of the `quasi-trap' [H2O]- is limited by collision with ethylene for the pressure-ranges already quoted.
Hurst G. S.
O'Kelly L. B.
Stockdale J. A.
No associations
LandOfFree
Quasi-Trapping of Low-Energy Electrons in Water Vapour does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Quasi-Trapping of Low-Energy Electrons in Water Vapour, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quasi-Trapping of Low-Energy Electrons in Water Vapour will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-761359