Tests of fundamental physics using Ramsey-comb spectroscopy on the hydrogen molecule

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Abstract

High-precision spectroscopy on simple systems such as atomic hydrogen has reached an unprecedented level of accuracy in recent years [1]. Experimentally determined energy levels are used to test bound-state quantum electrodynamics (QED). However, theoretical values for the energy levels were limited by the uncertainty of experimentally determined parameters such as the proton charge radius (rp). In 2010, the CREMA collaboration performed a spectroscopic measurement on muonic hydrogen. From this, rp was extracted with a ten times higher accuracy but also showed a 5σ discrepancy to the CODATA-2010 value [2]. This so-called proton radius puzzle remains unsolved. A possible solution to this problem can be obtained from measurements in other systems.

Original languageEnglish
Title of host publicationEuropean Quantum Electronics Conference, EQEC_2019
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
Publication statusPublished - 1 Jan 2019
EventEuropean Quantum Electronics Conference, EQEC_2019 - Munich, United Kingdom
Duration: 23 Jun 201927 Jun 2019

Publication series

NameOptics InfoBase Conference Papers
VolumePart F143-EQEC 2019

Conference

ConferenceEuropean Quantum Electronics Conference, EQEC_2019
CountryUnited Kingdom
CityMunich
Period23/06/1927/06/19

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  • Cite this

    Roth, C., Dreissen, L. S., Gründeman, E. L., Krauth, J. J., Favier, M., Salumbides, E. J., ... Eikema, K. S. E. (2019). Tests of fundamental physics using Ramsey-comb spectroscopy on the hydrogen molecule. In European Quantum Electronics Conference, EQEC_2019 [2019-ed_2_1] (Optics InfoBase Conference Papers; Vol. Part F143-EQEC 2019). OSA - The Optical Society.