Published December 1, 1954
| Published
Journal Article
Open
Scattering of Low-Energy Photons by Particles of Spin ½
- Creators
- Gell-Mann, M.
- Goldberger, M. L.
Abstract
The first two terms in a frequency expansion of the photon scattering amplitude are considered in the case where the scatterer is a particle of spin ½. It is shown that an exact calculation in quantum field theory gives results identical with those obtained by classical methods or else by use of the Dirac equation with an anomalous Pauli moment. The results depend only on the charge, mass, and magnetic moment of the scatterer. In the case of the proton, the second term, arising from scattering by the magnetic moment, appears to be negligible in comparison with effects due to Thomson and Rayleigh scattering.
Additional Information
© 1954 American Physical Society. Received September 3, 1954. Some of the work presented here was reported at the Glasgow International Nuclear Physics Conference, 1954, and is summarized in the Conference Proceedings. Supported by grants from the U. S. Atomic Energy Commission. The authors are indebted to Dr. Francis E. Low for sending them a copy of his paper on the same subject before publication. His results and ours are in complete agreement although obtained by different methods. We acknowledge with thanks conversations with Professors G. Wentzel and V. L. Telegdi concerning classical methods of calculation.Attached Files
Published - PhysRev.96.1433.pdf
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PhysRev.96.1433.pdf
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- 60413
- Resolver ID
- CaltechAUTHORS:20150922-120428984
- Atomic Energy Commission
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