activity
20042023
most citedPlanar LAAPDs: Temperature Dependence, Performance, and Application in Low Energy X-ray Spectroscopy

44 citations · 211 across the 12 of their papers we have counts for

collaborators

13 papers

physics.atom-ph2023★ 10 cited

The helion charge radius from laser spectroscopy of muonic helium-3 ions

The CREMA Collaboration, Karsten Schuhmann, Luis M. P. Fernandes +37

Hydrogen-like light muonic ions, in which one negative muon replaces all the electrons, are extremely sensitive probes of nuclear structure, because the large muon mass increases t…

physics.atom-ph2017★ 8 cited

Line shape analysis of the K transition in muonic hydrogen

D. S. Covita, D. F. Anagnostopoulos, H. Fuhrmann +19

The K transition in muonic hydrogen was measured with a high-resolution crystal spectrometer. The spectrum is shown to be sensitive to the ground-state hyperfine splitting, the…

physics.atom-ph2017★ 5 cited

The proton radius puzzle

J. J. Krauth, K. Schuhmann, M. Abdou Ahmed +49

High-precision measurements of the proton radius from laser spectroscopy of muonic hydrogen demonstrated up to six standard deviations smaller values than obtained from electron-pr…

physics.atom-ph2016

Laser Spectroscopy of Muonic Atoms and Ions

Randolf Pohl, François Nez, Luis M. P. Fernandes +44

Laser spectroscopy of the Lamb shift (2S-2P energy difference) in light muonic atoms or ions, in which one negative muon is bound to a nucleus, has been performed. The measur…

physics.atom-ph2015★ 24 cited

Experiments towards resolving the proton charge radius puzzle

A. Antognini, K. Schuhmann, F. D. Amaro +34

We review the status of the proton charge radius puzzle. Emphasis is given to the various experiments initiated to resolve the conflict between the muonic hydrogen results and the…

physics.ins-det2015★ 12 cited

Improved X-ray detection and particle identification with avalanche photodiodes

Marc Diepold, Luis M. P. Fernandes, Jorge Machado +36

Avalanche photodiodes are commonly used as detectors for low energy x-rays. In this work we report on a fitting technique used to account for different detector responses resulting…