Electrodynamics at the highest energies

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Description

At very high energies, the bremsstrahlung and pair production cross sections exhibit complex behavior due to the material in which the interactions occur. The cross sections in dense media can be dramatically different than for isolated atoms. This writeup discusses these in-medium effects, emphasizing how the cross section has different energy and target density dependencies in different regimes. Data from SLAC experiment E-146 will be presented to confirm the energy and density scaling. Finally, QCD analogs of the electrodynamics effects will be discussed.

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10 pages

Creation Information

Klein, Spencer R. June 17, 2002.

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Description

At very high energies, the bremsstrahlung and pair production cross sections exhibit complex behavior due to the material in which the interactions occur. The cross sections in dense media can be dramatically different than for isolated atoms. This writeup discusses these in-medium effects, emphasizing how the cross section has different energy and target density dependencies in different regimes. Data from SLAC experiment E-146 will be presented to confirm the energy and density scaling. Finally, QCD analogs of the electrodynamics effects will be discussed.

Physical Description

10 pages

Notes

INIS; OSTI as DE00801959

Source

  • Electromagnetic Probes of Fundamental Physics, Erice (IT), 10/16/2002--10/21/2002

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  • Report No.: LBNL--50525
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 801959
  • Archival Resource Key: ark:/67531/metadc742514

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Creation Date

  • June 17, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

Description Last Updated

  • April 4, 2016, 3:11 p.m.

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Klein, Spencer R. Electrodynamics at the highest energies, article, June 17, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc742514/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.