Proton polarizabilities: status, relevance, prospects

TL;DR

This paper reviews the current understanding of proton polarizabilities within chiral perturbation theory and discusses their importance in addressing the proton charge radius puzzle.

Contribution

It provides an updated overview of proton polarizabilities and explores their potential impact on resolving the proton charge radius discrepancy.

Findings

Proton polarizabilities are crucial for understanding proton structure.

Chiral perturbation theory offers insights into proton polarizabilities.

The study highlights the relevance of polarizabilities to the proton charge radius puzzle.

Abstract

This is a brief review of the status of understanding the proton polarizabilities in chiral perturbation theory and of their relevance to the `proton charge radius puzzle'.