Experimental Cross Section for Photodetachment of Electrons fromand
- 15 May 1955
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 98 (4) , 1028-1034
- https://doi.org/10.1103/physrev.98.1028
Abstract
The photodetachment of electrons from atomic hydrogen negative ions has been studied, and the integrated cross section measured by using the radiation from a tungsten filament at 3300°K in a modulated crossed-beam experiment. The wavelength dependence of the cross section is measured from 4000 to about 9000 A by using sharp-cut glass filters. The ratio of the experimental integrated cross section to the value predicted theoretically by Chandrasekhar is 1.01, with a 2 percent reproducibility and 10 percent upper limit to the systematic errors.Keywords
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