Experiments towards resolving the proton charge radius puzzle

A. Antognini; K. Schuhmann; F. D. Amaro; P. Amaro; M. Abdou-Ahmed; F. Biraben; T.-L. Chen; D. S. Covita; A. J. Dax; M. Diepold; L. M. P. Fernandes; B. Franke; S. Galtier; A. L. Gouvea; J. Götzfried; T. Graf; T. W. Hänsch; M. Hildebrandt; P. Indelicato; L. Julien; K. Kirch; A. Knecht; F. Kottmann; J. J. Krauth; Y.-W. Liu; J. Machado; C. M. B. Monteiro; F. Mulhauser; F. Nez; J. P. Santos; J. M. F. dos Santos; C. I. Szabo; D. Taqqu; J. F. C. A. Veloso; A. Voss; B. Weichelt; R. Pohl

doi:10.1051/epjconf/201611301006

Proceedings

Open Access

EPJ Web of Conferences 113, 01006 (2016)
https://doi.org/10.1051/epjconf/201611301006

Experiments towards resolving the proton charge radius puzzle

A. Antognini¹^,2^a, K. Schuhmann¹^,2, F. D. Amaro³, P. Amaro⁴, M. Abdou-Ahmed⁵, F. Biraben⁶, T.-L. Chen⁷, D. S. Covita⁸, A. J. Dax², M. Diepold⁹, L. M. P. Fernandes³, B. Franke⁹, S. Galtier⁶, A. L. Gouvea³, J. Götzfried⁹, T. Graf⁵, T. W. Hänsch⁹^b, M. Hildebrandt², P. Indelicato⁶, L. Julien⁶, K. Kirch¹^,2, A. Knecht², F. Kottmann¹, J. J. Krauth⁹, Y.-W. Liu, J. Machado⁴^,6, C. M. B. Monteiro³, F. Mulhauser⁹, F. Nez⁶, J. P. Santos⁴, J. M. F. dos Santos³, C. I. Szabo⁶, D. Taqqu¹, J. F. C. A. Veloso⁸, A. Voss⁵, B. Weichelt⁵ and R. Pohl⁹

¹ Institute for Particle Physics, ETH, 8093 Zurich, Switzerland
² Paul Scherrer Institute, 5232 Villigen-PSI, Switzerland
³ LIBPhys, Physics Department, Universidade de Coimbra, 3004-516 Coimbra, Portugal
⁴ Laboratório de Instrumentação, Engenharia Biomédica e Física da Radiação (LIBPhys-UNL) e Departamento de Física da Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Monte da Caparica, 2892-516 Caparica, Portugal
⁵ Institut für Strahlwerkzeuge, Universität Stuttgart, 70569 Stuttgart, Germany
⁶ Laboratoire Kastler Brossel, UPMC and CNRS, 75005 Paris, France
⁷ Physics Department, National Tsing Hua University, Hsincho 300, Taiwan
⁸ i3N, Universidade de Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
⁹ Max Planck Institute of Quantum Optics, 85748 Garching, Germany

^a e-mail: aldo@phys.ethz.ch
^b Also at: Ludwig-Maximilians-Universität, 80539 Munich, Germany.

Published online: 25 March 2016

Abstract

We review the status of the proton charge radius puzzle. Emphasis is given to the various experiments initiated to resolve the conflict between the muonic hydrogen results and the results from scattering and regular hydrogen spectroscopy.

© Owned by the authors, published by EDP Sciences, 2016

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