Light-Cone Path-Integral Approach
to the LandauPomeranchukMigdal Effect and SLAC Data on
Bremsstrahlung from High-Energy Electrons*
B. G. Zakharov
Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, Postfach 103980, D-69029 Heidelberg, Germany,
and L.D. Landau Institute for Theoretical Physics, Russian Academy of Sciences, ul. Kosygina 2, Moscow, 117940 Russia
Received March 19, 1998
AbstractRecent data of the SLAC E-146 collaboration on the LandauPomeranchukMigdal effect for
bremsstrahlung from 8- and 25-GeV electrons have been analyzed within a rigorous light-cone path-integral
approach developed in the previous publications of the present author. Numerical calculations have been carried
out that treat rigorously Coulomb effects and which include inelastic processes. A comparison with experimen-
tal data is performed by taking into account multiphoton emission and photon absorption. For the majority of
the targets, the predictions obtained here are in excellent agreement with experimental data.
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