Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks

Autor: B M Roberts, P Delva, A Al-Masoudi, A Amy-Klein, C Bærentsen, C F A Baynham, E Benkler, S Bilicki, S Bize, W Bowden, J Calvert, V Cambier, E Cantin, E A Curtis, S Dörscher, M Favier, F Frank, P Gill, R M Godun, G Grosche, C Guo, A Hees, I R Hill, R Hobson, N Huntemann, J Kronjäger, S Koke, A Kuhl, R Lange, T Legero, B Lipphardt, C Lisdat, J Lodewyck, O Lopez, H S Margolis, H Álvarez-Martínez, F Meynadier, F Ozimek, E Peik, P-E Pottie, N Quintin, C Sanner, L De Sarlo, M Schioppo, R Schwarz, A Silva, U Sterr, Chr Tamm, R Le Targat, P Tuckey, G Vallet, T Waterholter, D Xu, P Wolf

Publikováno v: New Journal of Physics, Vol 22, Iss 9, p 093010 (2020)

We search for transient variations of the fine structure constant using data from a European network of fiber-linked optical atomic clocks. By searching for coherent variations in the recorded clock frequency comparisons across the network, we signif

Externí odkaz: https://doaj.org/article/e2e070ab3cec4b40854dc0882b271fe7

A strontium optical lattice clock with $1 \times 10^{-17}$ uncertainty and measurement of its absolute frequency

Autor: C. F. A. Baynham, Alvise Vianello, William B. Bowden, Patrick Gill, Ian R. Hill, Alissa Silva, Richard Hobson, Helen S. Margolis, Patrick E. G. Baird

We present a measurement of the absolute frequency of the 5s$^2$ $^1$S$_0$ to 5s5p $^3$P$_0$ transition in $^{87}$Sr, which is a secondary representation of the SI second. We describe the optical lattice clock apparatus used for the measurement, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7e9b11b3ccc973f84f98501c4d041ce

Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks

Autor: Roman Schwarz, Olivier Lopez, R. M. Godun, J E Calvert, Dan Xu, L De Sarlo, C. Baerentsen, R. Le Targat, Ian R. Hill, Thomas Legero, Jérôme Lodewyck, Nicolas Quintin, Erik Benkler, Guy Vallet, Benjamin Roberts, S. Dörscher, Helen S. Margolis, P. Delva, Alissa Silva, Uwe Sterr, Christine C. Guo, Ch. Lisdat, C. F. A. Baynham, Ekkehard Peik, A. Al-Masoudi, Nils Huntemann, Peter Wolf, Sébastien Bize, H. Alvarez-Martinez, Christian Sanner, Aurélien Hees, T. Waterholter, William B. Bowden, Philip Tuckey, Sebastian Koke, F. Ozimek, R. Lange, Gesine Grosche, Anne Amy-Klein, V. Cambier, Etienne Cantin, F. Meynadier, Chr. Tamm, Maxime Favier, Paul-Eric Pottie, Florian Frank, S. Bilicki, A. Kuhl, J. Kronjäger, Richard Hobson, Burghard Lipphardt, Marco Schioppo, E. A. Curtis, Patrick Gill

Publikováno v: New Journal of Physics
New Journal of Physics, Institute of Physics: Open Access Journals, 2020, 22 (9), pp.093010. ⟨10.1088/1367-2630/abaace⟩
HAL

We search for transient variations of the fine structure constant using data from a European network of fiber-linked optical atomic clocks. By searching for coherent variations in the recorded clock frequency comparisons across the network, we signif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3a01e57b76b15f775464c101c2db556
https://hal.archives-ouvertes.fr/hal-02193937

A single-ion trap with minimized ion–environment interactions

Autor: C. F. A. Baynham, M. Doležal, R. M. Godun, P. Balling, J. M. Jones, Kai Bongs, P. B. R. Nisbet-Jones, S. A. King, Patrick Gill

Publikováno v: Applied Physics B. 122

We present a new single-ion endcap trap for high precision spectroscopy that has been designed to minimize ion-environment interactions. We describe the design in detail and then characterize the working trap using a single trapped 171 Yb ion. Excess

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d064760a506bb166cad6ddaec1491bef
https://doi.org/10.1007/s00340-016-6327-x