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1.
Self-consistent extraction of spectroscopic bounds on light new physics / Delaunay, Cédric (Annecy, LAPTH ; CERN) ; Karr, Jean-Philippe (Paris, Lab. Kastler Brossel ; U. Evry) ; Kitahara, Teppei (KMI, Nagoya ; KEK, Tsukuba ; Beijing, Inst. Theor. Phys.) ; Koelemeij, Jeroen C.J. (Vrije U., Amsterdam) ; Soreq, Yotam (Technion) ; Zupan, Jure (Cincinnati U.)
Fundamental physical constants are determined from a collection of precision measurements of elementary particles, atoms and molecules. This is usually done under the assumption of the Standard Model~(SM) of particle physics. [...]
arXiv:2210.10056; LAPTH-063/22; CERN-TH-2022-158; KEK-TH-2454.- 2023-03-24 - 24 p. - Published in : Phys. Rev. Lett. 130 (2023) 121801 Fulltext: 2210.10056 - PDF; Publication - PDF;
2.
Preparing single ultra-cold antihydrogen atoms for free-fall in GBAR / Hilico, Laurent (ENSIIE, Evry) ; Karr, Jean-Philippe (ENSIIE, Evry) ; Douillet, Albane (ENSIIE, Evry) ; Indelicato, Paul (Paris, Lab. Kastler Brossel) ; Wolf, Sebastian (Mainz U., Inst. Phys.) ; Kaler, Ferdinand Schmidt (Mainz U., Inst. Phys.)
We discuss an experimental approach allowing to prepare antihydrogen atoms for the GBAR experiment. We study the feasibility of all necessary experimental steps: The capture of incoming $\bar{\rm H}^+$ ions at keV energies in a deep linear RF trap, sympathetic cooling by laser cooled Be$^+$ ions, transfer to a miniaturized trap and Raman sideband cooling of an ion pair to the motional ground state, and further reducing the momentum of the wavepacket by adiabatic opening of the trap. [...]
arXiv:1402.1695.- 2014 - 11 p. - Published in : Int. J. Mod. Phys. Conf. Ser. 30 (2014) 1460269 Fulltext: PDF; External link: Preprint
In : 2nd International Workshop on Antimatter and Gravity, Bern, Switzerland, 13 - 15 Nov 2013, pp.1460269

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