Published March 1949
| Published + Erratum
Journal Article
Open
Conditions for Optimum Luminosity and Energy Resolution in an Axial β‐Ray Spectrometer with Homogeneous Magnetic Field
- Creators
- DuMond, Jesse W. M.
Chicago
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Abstract
In a β‐ray spectrometer with axial homogeneous magnetic field, it is shown that optimum energy resolution and luminosity are obtained when the trajectories make an angle close to 45° with the field and that an annular resolving slit should be provided at a determined radial and axial location relative to the source. The combined effect of three independent sources of instrumental energy line width is analyzed for the optimum condition. Formulas are given for the optimum dimensions, the energy resolution and the luminosity.
Additional Information
© 1949 American Institute of Physics. Received October 18, 1948. The author wishes to acknowledge with gratitude very helpful criticisms and discussions of this paper by E. R. Cohen and by Professor R. F. Christy.Attached Files
Published - 1.1741480.pdf
Erratum - 1.1741628.pdf
Files
1.1741628.pdf
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Additional details
- Eprint ID
- 46469
- Resolver ID
- CaltechAUTHORS:20140624-105800234
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2014-06-24Created from EPrint's datestamp field
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2021-11-10Created from EPrint's last_modified field