University of Illinois Urbana-Champaign

High energy photonuclear processes in O16, F19, Ca40 and V51

Meyer, Richard Adlin

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https://hdl.handle.net/2142/16692

Description

Title
High energy photonuclear processes in O16, F19, Ca40 and V51
Author(s)
Meyer, Richard Adlin
Issue Date
1963
Doctoral Committee Chair(s)
Hummel, J.P.
Department of Study
Physics
Discipline
Physics
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
photonuclear process
Language
en
Abstract
Yields for several photonuclear reactions in O16, F19, Ca40, and V51 have been measured from their thresholds to 300 MeV using bremsstrahlung from the University of Illinois 300 MeV betatron. The reaction yields were determined by investigation of the radioactivities of the product nuclei by using gamma ray spectroscopy techniques. The cross sections above 150 MeV for these reactions were compared with cross sections calculated for a reaction mechanism in which the primary step is the photoproduction of a meson at a single nucleon. The results of this comparison indicate that the main features of high energy photonuclear reactions can be accounted for in terms of such a mechanism. In the case of relatively Simple reactions in which only a few nucleons are emitted, the produced meson escapes and the recoil nucleon is responsible for the emission of other particles. For the more complex reactions in which more than four nucleons are emitted, meson reabsorption appears .to play a significant role.
Type of Resource
text
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http://hdl.handle.net/2142/16692
Copyright and License Information
© 1963 Richard Adlin Meyer

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