Light-cone path integral approach to the Landau-Pomeranchuk-Migdal effect and the SLAC data on bremsstrahlung from high energy electrons

TL;DR

This paper presents a rigorous light-cone path integral method to analyze the Landau-Pomeranchuk-Migdal effect in bremsstrahlung from high-energy electrons, achieving excellent agreement with SLAC experimental data.

Contribution

It introduces a comprehensive light-cone path integral approach that rigorously accounts for Coulomb effects, inelastic processes, multi-photon emission, and photon absorption in the analysis.

Findings

Theoretical predictions match SLAC data for most targets.

The approach accurately models Coulomb and inelastic effects.

Excellent agreement with experimental measurements.

Abstract

The recent data of the SLAC E-146 collaboration on the Landau-Pomeranchuk-Migdal effect for bremsstrahlung from 8 and 25 GeV electrons are analyzed within a rigorous light-cone path integral approach. Numerical calculations have been carried out treating rigorously the Coulomb effects and including the inelastic processes. Comparison with the experimental data is performed taking into account multi-photon emission and photon absorption. For most of the targets the theoretical predictions are in excellent agreement with the experimental data.