To the measurement of the radius via an electron scattering

TL;DR

This paper proposes an experiment using an iron-free magnetic spectrometer to measure the proton radius with 1% accuracy, aiming to improve precision in fundamental particle measurements.

Contribution

It introduces a novel experimental setup with an iron-free spectrometer for precise proton radius measurement, reducing systematic uncertainties.

Findings

Projected 1% accuracy in proton radius measurement

Use of iron-free magnetic spectrometer to minimize systematic errors

Potential to significantly improve existing measurements of proton size

Abstract

We propose an experiment for an accurate measurement of the proton radius. A key feature of our proposal is an iron-free magnetic spectrometer. Projected systematics uncertainties will allow a 1% level accuracy for the $r_p$ value.