Probing New Bosons and Nuclear Structure with Ytterbium Isotope Shifts

authored by
Menno Door, Chih Han Yeh, Matthias Heinz, Fiona Kirk, Chunhai Lyu, Takayuki Miyagi, Julian C. Berengut, Jacek Bieroń, Klaus Blaum, Laura S. Dreissen, Sergey Eliseev, Pavel Filianin, Melina Filzinger, Elina Fuchs, Henning A. Fürst, Gediminas Gaigalas, Zoltán Harman, Jost Herkenhoff, Nils Huntemann, Christoph H. Keitel, Kathrin Kromer, Daniel Lange, Alexander Rischka, Christoph Schweiger, Achim Schwenk, Noritaka Shimizu, Tanja E. Mehlstäubler
Abstract

In this Letter, we present mass-ratio measurements on highly charged Yb42+ ions with a precision of 4×10-12 and isotope-shift measurements on Yb+ on the S21/2→D5/22 and S21/2→F7/22 transitions with a precision of 4×10-9 for the isotopes Yb168,170,172,174,176. We present a new method that allows us to extract higher-order changes in the nuclear charge distribution along the Yb isotope chain, benchmarking ab initio nuclear structure calculations. Additionally, we perform a King plot analysis to set bounds on a fifth force in the keV/c2 to MeV/c2 range coupling to electrons and neutrons.

Organisation(s)
Institute of Theoretical Physics
Institute of Quantum Optics
Laboratory of Nano and Quantum Engineering
External Organisation(s)
Max Planck Institute for Nuclear Physics
Heidelberg University
Physikalisch-Technische Bundesanstalt PTB
Technische Universität Darmstadt
GSI Helmholtz Centre for Heavy Ion Research
University of New South Wales (UNSW)
Jagiellonian University
Vrije Universiteit
Vilnius University
University of Tsukuba
Type
Article
Journal
Physical Review Letters
Volume
134
ISSN
0031-9007
Publication date
11.02.2025
Publication status
Published
Peer reviewed
Yes
ASJC Scopus subject areas
General Physics and Astronomy
Electronic version(s)
https://doi.org/10.1103/PhysRevLett.134.063002 (Access: Open)
https://doi.org/10.48550/arXiv.2403.07792 (Access: Open)