Published April 15, 1934
| public
Journal Article
Open
Artificial production of neutrons
- Creators
- Crane, H. R.
- Lauritsen, C. C.
- Soltan, A.
Chicago
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Abstract
A porcelain vacuum tube capable of producing currents of positive ions up to 30 microamperes and with energies up to 106 electron-volts has been constructed and used for artificial disintegration experiments. Neutrons have been produced by bombarding beryllium with helium ions, and by bombarding lithium and beryllium with the ions of the heavy isotope of hydrogen. The curve obtained for the efficiency of production of neutrons by helium ions as a function of voltage is in agreement with the curve obtained by a downward extrapolation of curves known from work with polonium α-particles. The present paper is mainly a discussion of the apparatus and methods of measurement, since brief reports of the results have already been presented.
Additional Information
©1934 The American Physical Society. Received 26 January 1934. The work we have described has been supported entirely by the Seeley W. Mudd Fund. We wish to express our gratitude for this aid, and also to Professor G. N. Lewis of the University of California, who furnished the heavy hydrogen used in these experiments.Files
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