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Title:  Quantum electrodynamic model for production amplitudes at infinite momentum 
Author(s):  Pardee, William Joseph 
Doctoral Committee Chair(s):  Wright, J. 
Department / Program:  Physics 
Discipline:  Physics 
Degree:  Ph.D. 
Genre:  Dissertation 
Subject(s):  quantum electrodynamic model
production amplitudes infinite momentum 
Abstract:  The scattering amplitude for the production of an arbitrary number of electron" positron pairs in electronelectron collisions is calculated in a infinite momentum field theory model. More precisely, the model considers only events where" the center of momentum energy is, much larger, than typical subenergies between pairs which are adjacent in longitudinal momentum. The subenergies are assumed much larger than masses and momentum transfers. The calculation is restricted to multiperipheral diagrams. In an approximation that neglects electron and, photon masses, it is possible to obtain a simple form for the sum of all the partial cross sections generated by these diagrams. The number distribution P(n), the average number of pairs produced, the,two particle and one particle momentum distributions and the total cross section are obtainec1,. The two particle distribution is expressed in terms of the invariant, mass, total longitudinal momentum, and transverse momenta of the pair. The contribution of these processes to the absorptive part of the elastic amplitude, is studied for small t. 
Issue Date:  1971 
Genre:  Dissertation / Thesis 
Type:  Text 
Language:  English 
URI:  http://hdl.handle.net/2142/25869 
Rights Information:  1971 William Joseph Pardee 
Date Available in IDEALS:  20110728 
Identifier in Online Catalog:  5328542 
This item appears in the following Collection(s)

Graduate Dissertations and Theses at Illinois
Graduate Theses and Dissertations at Illinois 
Dissertations and Theses  Physics
Dissertations in Physics
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