2 papers
physics.atom-ph2025
High-Resolution Laser Spectroscopy on the Hyperfine Structure of Fm (Z=100)
M. Urquiza-González, M. Stemmler, T. E. Albrecht +36
We report on high-resolution laser spectroscopy of Fm (h), one of the heaviest nuclides available from reactor breeding. The hyperfine structures in two diffe…
hep-ex2025
Improved limit on the effective electron neutrino mass with the ECHo-1k experiment
Fabienne Adam, Felix Ahrens, Luis E. Ardila Perez +56
The effective electron neutrino mass can be determined by analyzing the endpoint region of the Ho electron capture spectrum, provided a measurement with high energy resolut…