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Laser spectroscopy of light muonic atoms and the nuclear charge radii

by A. Antognini, F. Kottmann1, R. Pohl

Submission summary

As Contributors: Aldo Antognini
Preprint link: scipost_202106_00018v1
Date submitted: 2021-06-10 13:55
Submitted by: Antognini, Aldo
Submitted to: SciPost Physics Proceedings
Proceedings issue: PSI Particle Physics
Academic field: Physics
Specialties:
  • Nuclear Physics - Experiment
Approach: Experimental

Abstract

The energy levels of hydrogen-like atomic systems are shifted slightly by the complex structure of the nucleus, in particular by the finite size of the nucleus. These energy shifts are vastly magnified in muonic atoms and ions, i.e. the hydrogen-like systems formed by a negative muon and a nucleus. By measuring the 2S-2P energy splitting in muonic hydrogen, muonic deuterium and muonic helium, we have been able to deduce the p, d, 3He and 4He nuclear charge radii to an unprecedented accuracy. These radii provide benchmarks for hadron and nuclear theories, lead to precision tests of bound- state QED in regular atoms and to a better determination of the Rydberg constant.

Current status:
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Submission scipost_202106_00018v1 on 10 June 2021

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