activity
20062025
most citedAnalysis of electron-positron momentum spectra of metallic alloys as supported by first-principles calculations

48 citations · 180 across the 22 of their papers we have counts for

collaborators
Showing physics.atom-phShow all

7 papers · 1 filter

physics.atom-ph2025

Optimizing Antihydrogen Production via Slow Plasma Merging

E D Hunter, M Bumbar, C Amsler +29

We measure the time-dependent temperature and density distribution of antiprotons and positrons while slowly combining them to make antihydrogen atoms in a nested Penning-Malmberg…

physics.atom-ph2023★ 2 cited

Towards the formation of a positronium coherent beam

M. Sacerdoti, V. Toso, G. Vinelli +5

Positronium (Ps) has emerged as a promising test particle within the QUPLAS collaboration for investigating the gravitational effect. In this work, we present a novel approach to g…

physics.atom-ph2023

Upgrade of the positron system of the ASACUSA-Cusp experiment

A. Lanz, C. Amsler, H. Breuker +35

The ASACUSA-Cusp collaboration has recently upgraded the positron system to improve the production of antihydrogen. Previously, the experiment suffered from contamination of the va…

physics.atom-ph2019★ 23 cited

Rydberg-positronium velocity and self-ionization studies in 1T magnetic field and cryogenic environment

M. Antonello, A. Belov, G. Bonomi R. S. Brusa +43

We characterized the pulsed Rydberg-positronium production inside the AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) apparatus in view of antihydrogen formati…

physics.atom-ph2018★ 28 cited

Velocity selected production of metastable positronium

C. Amsler, M. Antonello, A. Belov +52

Positronium in the metastable state exhibits a low electrical polarizability and a long lifetime (1140 ns) making it a promising candidate for interferometry experiments wit…

physics.atom-ph2018★ 25 cited

Producing long-lived Ps via laser excitation in magnetic and electric fields

S. Aghion, C. Amsler, M. Antonello +62

Producing positronium (Ps) in the metastable state is of interest for various applications in fundamental physics. We report here about an experiment in which Ps atom…

physics.atom-ph2008★ 21 cited

Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements

G. Testera, A. S. Belov, G. Bonomi +62

The formation of the antihydrogen beam in the AEGIS experiment through the use of inhomogeneous electric fields is discussed and simulation results including the geometry of the ap…