Freiburg 2024 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 35: Poster VIII
A 35.1: Poster
Donnerstag, 14. März 2024, 17:00–19:00, Tent C
Narrow and Ultranarrow transitions of highly charged Xe as probes for fifth forces — •Nils-Holger Rehbehn1, Michael Karl Rosner1, Julian C. Berengut2,1, Piet O. Schmidt3,4, Thomas Pfeifer1, Ming Feng Gu5, and José R. Crespo López-Urrutia1 — 1Max-Planck-Institut for Nuclear Physics, 69117 Heidelberg, Germany — 2School of Physics, University of New South Wales, Sydney, New South Wales 2052, Australia — 3Physicalisch-Technische Bundesanstalt, 38116 Braunschweig, Germany — 4Leibniz-Universität Hannover, 30167 Hannover, Germany — 5Space Science Laboratory University of California, 94720 Berkeley, California, USA
A hypothetical fifth force acting between constituents of an atom could lead to a New Physics Model beyond the Standard Model. Such a model could potentially explain several phenomenon categorized under Dark Matter. To this end, we measured thirteen optical transitions in highly charged xenon which can be used in future quantum logic spectroscopy method measurements. Its anticipated precision is used to evaluate theoretical King-plots to reveal the most sensitive pairs. The sensitivity to a fifth force will be improved by four orders of magnitude compared the the most recent King-plot analyses, while overcoming higher orders of the Standard Model and isotope mass uncertainties via the generalized King-plot.
Keywords: Beyond the Standard Model; Fifth Force; Highly charged ions; spectroscopy; Dark Matter