First demonstration of VUV ramsey-comb excitation based on HHG; Towards 1S-2S He+ excitation

E. L. Grundeman, L. S. Dreissen, C. Roth, J. J. Krauth, M. Favier, K. S.E. Eikema

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

It is nearly 10 years since a measurement in muonic hydrogen by the CREMA collaboration resulted in a surprisingly small proton charge radius [1]. Since then, an increasing number of high-precision atomic physics experiments have been started (and performed) in order to test bound-state quantum electrodynamics (QED) and contribute to solving the so-called proton radius puzzle (PRP). It is noteworthy that due to the close to 100% correlation between the proton charge radius and the Rydberg constant, the PRP can as well be understood as a Rydberg puzzle. Remarkably, the latest results from laser spectroscopy measurements in atomic hydrogen [2, 3] disagree with each other and do so far not allow further conclusions.

Original languageEnglish
Title of host publication2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC)
Subtitle of host publication[Proceedings]
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728104690
ISBN (Print)9781728104706
DOIs
Publication statusPublished - 2019
Event2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 - Munich, Germany
Duration: 23 Jun 201927 Jun 2019

Conference

Conference2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Country/TerritoryGermany
CityMunich
Period23/06/1927/06/19

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