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Zagel, J.

Paper Title Page
PS17 Beam Profile Detectors at the new fermilab injector and associated beamlines 141
 
  • G. Tassotto, J. Zagel
    FNAL, Fermi National Accelerator Laboratory, Batavia, IL, USA
 
  Transition radiation (TR) is nowadays intensively exploited by a number of techniques to characterize different beam parameters. These methods are based, sometimes implicitly, on standard formulae, and used often without paying due attention to their applicability. In particular, standard expressions are only first-order asymptotic, i.e., strictly speaking, valid at infinity. In this paper TR is examined in a spatial domain where conventional results are no more exact and variations in radiation properties are observed. Under certain conditions, for example, at long wavelengths or very high energies the effect is so considerable that should be taken into account in accurate beam measurements.