The thorium-229 low-energy isomer and the nuclear clock
The 229Th nucleus has an isomeric state at an energy of about 8 eV above the ground state,
several orders of magnitude lower than typical nuclear excitation energies. This has inspired …
several orders of magnitude lower than typical nuclear excitation energies. This has inspired …
Opportunities for fundamental physics research with radioactive molecules
G Arrowsmith-Kron… - Reports on Progress …, 2023 - iopscience.iop.org
Molecules containing short-lived, radioactive nuclei are uniquely positioned to enable a
wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics …
wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics …
New horizons: Scalar and vector ultralight dark matter
D Antypas, A Banerjee, C Bartram… - ar** is based on optical atomic clocks. However, those could
potentially be outperformed by a nuclear clock, based on a nuclear transition instead of an …
potentially be outperformed by a nuclear clock, based on a nuclear transition instead of an …
Robust polarization gradient cooling of trapped ions
We implement three-dimensional polarization gradient cooling (PGC) of trapped ions.
Counter-propagating laser beams near 393 nm im**e in lin⊥ lin configuration, at a …
Counter-propagating laser beams near 393 nm im**e in lin⊥ lin configuration, at a …
The process of molecular plating and the characteristics of the produced thin films–What we have learned in 60 years and what is still unknown
E Artes, CE Düllmann, CC Meyer… - EPJ Web of …, 2023 - epj-conferences.org
Molecular plating is a well-established and widely used method for producing thin films of
various elements, which are used in variety of nuclear physics applications. Sixty years have …
various elements, which are used in variety of nuclear physics applications. Sixty years have …
Alpha spectrometric characterization of thin 233U sources for 229(m)Th production
R Haas, M Hufnagel, R Abrosimov, CE Düllmann… - Radiochimica …, 2020 - degruyter.com
Four different techniques were applied for the production of 233U alpha recoil ion sources,
providing 229Th ions. They were compared with respect to a minimum energy spread of the …
providing 229Th ions. They were compared with respect to a minimum energy spread of the …
Fluorescence calorimetry of an ion crystal
M Gajewski, W Li, S Wolf, W Hahn, CE Düllmann… - Physical Review A, 2022 - APS
Motivated by the challenge of identifying intruder ions in a cold ion crystal, we investigate
calorimetry from emitted fluorescence light. Under continuous Doppler cooling, the ion …
calorimetry from emitted fluorescence light. Under continuous Doppler cooling, the ion …
arxiv: Opportunities for Fundamental Physics Research with Radioactive Molecules
Molecules containing short-lived, radioactive nuclei are uniquely positioned to enable a
wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics …
wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics …