Towards laser based improved experimental schemes for multiphoton e+ e- pair production from vacuum

TL;DR

This paper explores laser-based experimental setups to enhance electron-positron pair production from vacuum, providing numerical estimates for two schemes that could significantly increase pair yields using strong electromagnetic fields.

Contribution

It introduces two novel laser-based schemes for vacuum pair production and provides numerical estimates demonstrating their potential efficiency improvements.

Findings

Enhanced pair production efficiency up to 10^11 and 10^15 pairs.

Utilizes achievable laser beam parameters for practical implementation.

Focuses on multiphoton resonance approximation.

Abstract

Numerical estimates for pair production from vacuum in the presence of strong electromagnetic fields are derived, for two experimental schemes : the First concerns a laser based X-FEL and the other imitates the E144 experiment. The approximation adopted in this work is that of two level multiphoton on resonance. Utilizing achievable values of laser beam parameters, an enhancedproduction efficiency of up to 10^11 and 10^15 pairs can be obtained, for the two schemes respectively.