Generation of narrow beams of ultrarelativistic positrons (electrons) in the resonant strong electromagnetic field-assisted Breit-Wheeler process

2023/07/03 by S. P. Roshchupkin, Roshchupkin, S. P., Vitalii D. Serov +3
Engineering · Physics and Astronomy · #Atomic and Molecular Physics #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Muon and positron interactions and applications #Particle accelerators and beam dynamics #Plasma Physics (physics.plasm-ph)

paper · pdf · doi:10.48550/arxiv.2307.00913

openalex publication_date 2023/07/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

The resonant external field-assisted Breit-Wheeler process (Oleinik resonances) for strong electromagnetic fields with intensities less than the critical Schwinger field has been theoretically studied. The resonant kinematics has been studied in detail. The case of high-energy initial gamma quanta and emerging ultrarelativistic electron-positron pairs is studied. The resonant differential cross section is obtained. The generation of narrow beams of ultrarelativistic positrons (for Channel A) and electrons (for Channel B) is predicted with a probability significantly exceeding corresponding to the non-resonant process.

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