Extends LPM bremsstrahlung calculations by including masses, mapping rich behavioral regimes at high but not extreme energies.
Extremely high-energy bremsstrahlung in matter
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abstract
The theory of bremsstrahlung $e \to e\gamma$ by extremely high energy electrons passing through ordinary matter has been qualitatively incomplete. We revisit the suppression of bremsstrahlung by the Landau-Pomeranchuk-Migdal (LPM) effect, here accounting for quantum disruption of that effect from pair production. Our analysis covers the full range of ultra-relativistic electron and photon energies (subject to a few simplifying approximations).
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Calculating extremely high energy bremsstrahlung in matter
Extends LPM bremsstrahlung calculations by including masses, mapping rich behavioral regimes at high but not extreme energies.