activity
20092026
most citedModified binary encounter Bethe model for electron-impact ionization

58 citations · 453 across the 31 of their papers we have counts for

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physics.atom-ph2026

Theoretical ab initio Evolution of Satellite Intensity near Threshold for Cu K-shell transitions

Daniel Pinheiro, Gonçalo Baptista, César Godinho +9

In this work, we have investigated the evolution of satellite intensity near the ionization threshold for Cu K-shell transitions through theoretical methods. Employing standard sta…

physics.atom-ph2025

Comprehensive Laboratory Benchmark of K-shell Dielectronic Satellites of Fe XXV-XXI Ions

Chintan Shah, Pedro Amaro, Filipe Grilo +7

We report on comprehensive laboratory studies of the K-shell dielectronic recombination (DR) resonances of Fe XXV - XXI ions that prominently contribute to the hard X-ray spectrum…

physics.atom-ph2024

Measurement of differential collisional excitation cross sections for the K emission of He-like oxygen

Filipe Grilo, Chintan Shah, José Marques +3

We measure the energy-differential cross sections for collisional excitation of the soft X-ray electric-dipole K () emission from He-like oxygen (O VII), using an electro…

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-ph2021★ 10 cited

Experimental and theoretical approaches for determining the K-shell fluorescence yield of carbon

Philipp Hönicke, Rainer Unterumsberger, Mauro Guerra +8

The knowledge of atomic fundamental parameters, such as the fluorescence yields with low uncertainties, is of decisive importance in elemental quantification involving X-ray fluore…

physics.atom-ph2020★ 17 cited

Observation of strong two-electron--one-photon transitions in few-electron ion

Moto Togawa, Steffen Kühn, Chintan Shah +22

We resonantly excite the series of O and O up to principal quantum number with monochromatic x rays, producing -shell holes, and observe their relaxatio…