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Quantum electrodynamic model for production amplitudes at infinite momentum

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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 electron-electron 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: 2011-07-28
Identifier in Online Catalog: 5328542
 

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