activity
20022026
most citedThe MUSE second-generation VLT instrument

879 citations · 1k across the 19 of their papers we have counts for

collaborators

19 papers

cond-mat.supr-con2026

Fabrication And Characterization Of High-Quality Nb/Al-AlO/Nb Cross-Type Josephson Tunnel Junctions Utilising CMP-based Planarisation Techniques

Alexander Stoll, Andreas Reifenberger, Daniel Hengstler +2

Josephson tunnel junctions (JJs) are the fundamental building blocks of today's most advanced superconducting electronic components, such as qubits and superconducting quantum inte…

nucl-ex2026

Nuclear Charge Radius of Be from Muonic Atom Spectroscopy Using a Microcalorimeter

Ofir Eizenberg, Shikha Rathi, Andreas Abeln +34

The transition energy in muonic Be was measured using a metallic magnetic calorimeter, resulting in eV. The result is 30 times more pre…

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…

physics.atom-ph2024★ 7 cited

Quantum Electrodynamics in Strong Electromagnetic Fields: Substate Resolved K Transition Energies in Helium-like Uranium

Philip Pfäfflein, Günter Weber, Steffen Allgeier +34

Using novel metallic magnetic calorimeter detectors at the CRYRING@ESR, we recorded X-ray spectra of stored and electron cooled helium-like uranium (U) with an unmatched sp…

physics.ins-det2023★ 8 cited

MMC Array to Study X-ray Transitions in Muonic Atoms

Daniel Unger, Andreas Abeln, Thomas Elias Cocolios +19

The QUARTET collaboration aims to significantly improve the precision of the absolute nuclear charge radii of light nuclei from Li to Ne by using an array of metallic magnetic calo…

physics.atom-ph2023★ 22 cited

Towards Precision Muonic X-Ray Measurements of Charge Radii of Light Nuclei

Ben Ohayon, Andreas Abeln, Silvia Bara +20

We propose an experiment to measure the nuclear charge radii of light elements with up to 20~times higher accuracy. These are essential both for understanding nuclear physics at lo…