activity
20182020
most citedDetection of missing low-lying atomic states in actinium

10 citations · 18 across the 2 of their papers we have counts for

collaborators

5 papers

physics.atom-ph202010 cited

Detection of missing low-lying atomic states in actinium

Ke Zhang, Dominik Studer, Felix Weber +10

Two lowest-energy odd-parity atomic levels of actinium, 7s^27p 2P^o_1/2, 7s^27p 2P^o_3/2, were observed via two-step resonant laser-ionization spectroscopy and their respective ene…

cond-mat.mtrl-sci2019

Specific Heat of Holmium in Gold and Silver at Low Temperatures

Matthew Herbst, Andreas Reifenberger, Clemens Velte +10

The specific heat of dilute alloys of holmium in gold and in silver plays a major role in the optimization of low temperature microcalorimeters with enclosed , s…

physics.atom-ph20198 cited

Development of a recoil ion source providing slow Th ions including Th in a broad charge state distribution

Raphael Haas, Tom Kieck, Dmitry Budker +7

Ions of the isomer Th are a topic of high interest for the construction of a "nuclear clock" and in the field of fundamental physics for testing symmetries of nature. They…

physics.acc-ph2019

Highly efficient isotope separation and ion implantation of Ho for the ECHo project

Tom Kieck, Holger Dorrer, Christoph E. Düllmann +3

The effective electron neutrino mass measurement at the ECHo experiment requires high purity Ho, which is ion implanted into detector absorbers. To meet the project specifi…

physics.ins-det2018

Optimization of a laser ion source for Ho isotope separation

Tom Kieck, Sebastian Biebricher, Christoph E. Düllmann +1

To measure the mass of the electron neutrino, the "Electron Capture in Holmium-163" (ECHo) collaboration aims at calorimetrically measuring the spectrum following electron capture…