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Please use this identifier to cite or link to this item: http://hdl.handle.net/11375/17950
Title: Soft Photon Theorems in Bremsstrahlung and Photoproduction of Pions
Authors: Holland, Peter John
Advisor: Nogami, Y.
Department: Physics
Keywords: photon, bremsstrahlung, cross-section, photoproduction, pion, theorem
Publication Date: Sep-1970
Abstract: <p> In the soft photon limit the bremsstrahlung cross-section is related to the corresponding elastic scattering cross-section in a model-independent manner. The cross-section for threshold photoproduction of pions becomes independent of the detailed pion-nucleon interaction if the ratio of pion to nucleon mass is made sufficiently small. These two results are a consequence of the gauge invariance of the scattering amplitude for a process involving one photon. We review the derivation of Low's bremsstrahlung theorem for spin-zero and spin-half particles, and outline an extension to all orders of photon energy. The theorem for photopion production is derived by the same method. A non-relativistic analogue to the Bremsstrahlung theorem is also considered.</p>
URI: http://hdl.handle.net/11375/17950
Appears in Collections:Open Access Dissertations and Theses

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