A Monitor of the Focusing Strength of Plasma Lenses Using MeV Synchrotron Radiation

TL;DR

This paper presents a method to monitor plasma lens focusing strength by measuring MeV synchrotron radiation, demonstrated in a high-energy positron beam experiment, providing a practical tool for plasma lens characterization.

Contribution

It introduces a novel measurement technique for plasma lens focusing strength using synchrotron radiation energy analysis, applied in a real high-energy beam experiment.

Findings

Successful measurement of synchrotron radiation energy in a plasma lens setup

Demonstrated correlation between radiation energy and focusing strength

Applicable to high-energy electron and positron beams

Abstract

The focusing strength of plasma lenses used with high energy electron or positron beams can give rise to synchrotron radiation with critical energies in the MeV range. A method is described for measuring the characteristic energy of this radiation as a way of monitoring the strength of the focus. The principle has been implemented in a plasma lens experiment with a 28.5 GeV positron beam.