Spectroscopy of atomic hydrogen. How is the Rydberg constant determined?

TL;DR

This paper reviews recent theoretical and experimental advances in hydrogen spectroscopy, focusing on how the Rydberg constant is determined and discussing future prospects for improving its precision.

Contribution

It provides a comprehensive overview of current methods and future directions for accurately measuring the Rydberg constant in hydrogen spectroscopy.

Findings

Recent experimental results have refined the value of R_

Theoretical calculations have improved in precision

Future experiments may further enhance measurement accuracy

Abstract

This article presents a review of the most recent theoretical and experimental results in hydrogen. We particularly emphasize the methods used to deduce the Rydberg constant $R_\infty$ and we consider the prospects for future improvements in the precision of $R_\infty$.