Precision measurement of the lamb shift in muonium

B Ohayon, G Janka, I Cortinovis, Z Burkley… - Physical Review Letters, 2022 - APS
We report a new measurement of the n= 2 Lamb shift in Muonium. Our result of 1047.2 (2.3)
stat (1.1) syst MHz comprises an order of magnitude improvement upon the previous best …

Carbon foils for space plasma instrumentation

F Allegrini, RW Ebert… - Journal of Geophysical …, 2016 - Wiley Online Library
Carbon foils have been successfully used for several decades in space plasma instruments
to detect ions and neutral atoms. These instruments take advantage of two properties of the …

Anomalous stop** and charge transfer in proton-irradiated graphene

A Kononov, A Schleife - Nano letters, 2021 - ACS Publications
We use first-principles calculations to uncover and explain a new type of anomalous low-
velocity stop** effect in proton-irradiated graphene. We attribute a shoulder feature that …

Survey of ion properties in Jupiter's plasma sheet: Juno JADE‐I observations

TK Kim, RW Ebert, PW Valek, F Allegrini… - Journal of …, 2020 - Wiley Online Library
This study presents a survey of ion flow speed, density, temperature, and composition
observed by the Jovian Auroral Distributions Experiment Ion (JADE‐I) sensor on Juno from …

Method to Derive Ion Properties From Juno JADE Including Abundance Estimates for O+ and S2+

TK Kim, RW Ebert, PW Valek, F Allegrini… - Journal of …, 2020 - Wiley Online Library
Abstract The Jovian Auroral Distributions Experiment Ion sensor (JADE‐I) on Juno is a
plasma instrument that measures the energy‐per‐charge (E/Q) distribution of 0.01 to 46.2 …

Measurement of the transition frequency from 2S1/2, F = 0 to 2P1/2, F = 1 states in Muonium

G Janka, B Ohayon, I Cortinovis, Z Burkley… - Nature …, 2022 - nature.com
Muons are puzzling physicists since their discovery when they were first thought to be the
meson predicted by Yukawa to mediate the strong force. The recent result at Fermilab on the …

The “Puck” energetic charged particle detector: Design, heritage, and advancements

G Clark, I Cohen, JH Westlake… - Journal of …, 2016 - Wiley Online Library
Energetic charged particle detectors characterize a portion of the plasma distribution
function that plays critical roles in some physical processes, from carrying the currents in …

[PDF][PDF] Simultaneous assessment of energy, charge state and angular distribution for medium energy ions interacting with ultra-thin self-supporting targets: A time-of …

R Holenak, S Lohmann, F Sekula, D Primetzhofer - Vacuum, 2021 - researchgate.net
We demonstrate simultaneous measurements of the charge state, energy and angular
distribution of keV ions in transmission experiments through self-supporting foils. Using a …

Muonium Lamb shift: theory update and experimental prospects

G Janka, B Ohayon, P Crivelli - EPJ Web of Conferences, 2022 - epj-conferences.org
We review the theory of the Lamb shift for muonium, provide an updated numerical value
and present the prospects of the Mu-MASS collaboration at PSI to improve upon their recent …

[HTML][HTML] Simultaneous assessment of energy, charge state and angular distribution for medium energy ions interacting with ultra-thin self-supporting targets: A time-of …

R Holeňák, S Lohmann, F Sekula, D Primetzhofer - Vacuum, 2021 - Elsevier
We demonstrate simultaneous measurements of the charge state, energy and angular
distribution of keV ions in transmission experiments through self-supporting foils. Using a …