Colloquium: Positronium physics and biomedical applications
Positronium is the simplest bound state, built of an electron and a positron. Studies of
positronium in vacuum and its decays in medium tell us about quantum electrodynamics …
positronium in vacuum and its decays in medium tell us about quantum electrodynamics …
[HTML][HTML] Observation of the effect of gravity on the motion of antimatter
EK Anderson, CJ Baker, W Bertsche, NM Bhatt… - Nature, 2023 - nature.com
Einstein's general theory of relativity from 1915 1 remains the most successful description of
gravitation. From the 1919 solar eclipse 2 to the observation of gravitational waves 3, the …
gravitation. From the 1919 solar eclipse 2 to the observation of gravitational waves 3, the …
Laser cooling of antihydrogen atoms
The photon—the quantum excitation of the electromagnetic field—is massless but carries
momentum. A photon can therefore exert a force on an object upon collision. Slowing the …
momentum. A photon can therefore exert a force on an object upon collision. Slowing the …
CIRCUS: an autonomous control system for antimatter, atomic and quantum physics experiments
M Volponi, S Huck, R Caravita, J Zielinski… - EPJ Quantum …, 2024 - epjqt.epj.org
A powerful and robust control system is a crucial, often neglected, pillar of any modern,
complex physics experiment that requires the management of a multitude of different …
complex physics experiment that requires the management of a multitude of different …
Stimulated decay and formation of antihydrogen atoms
T Wolz, C Malbrunot, M Vieille-Grosjean, D Comparat - Physical Review A, 2020 - APS
Antihydrogen atoms are routinely formed at the Antiproton Decelerator at CERN in a wide
range of Rydberg states. To perform precision measurements, experiments rely on ground …
range of Rydberg states. To perform precision measurements, experiments rely on ground …
[HTML][HTML] TALOS (Total Automation of LabVIEW Operations for Science): A framework for autonomous control systems for complex experiments
M Volponi, J Zieliński, T Rauschendorfer… - Review of Scientific …, 2024 - pubs.aip.org
Modern physics experiments are frequently very complex, relying on multiple simultaneous
events to happen in order to obtain the desired result. The experiment control system plays a …
events to happen in order to obtain the desired result. The experiment control system plays a …
Calibration and equalisation of plastic scintillator detectors for antiproton annihilation identification over positron/positronium background
N Zurlo, C Amsler, M Antonello, A Belov… - … Physica Polonica B, 2020 - re.public.polimi.it
In this contribution, the system of the external plastic scintillator slabs of the AEgIS
experiment is presented. These slabs, surrounding the superconducting magnet and …
experiment is presented. These slabs, surrounding the superconducting magnet and …
[HTML][HTML] Hyperfine-interaction-induced g/u mixing and its implication on the existence of the first excited vibrational level of the A+ Σu+ 2 state of H2+ and on the …
M Beyer, F Merkt - The Journal of Chemical Physics, 2018 - pubs.aip.org
Ab initio calculations of the energy level structure of H 2+ that include relativistic and
radiative corrections to nonrelativistic energies and the diagonal part of the hyperfine …
radiative corrections to nonrelativistic energies and the diagonal part of the hyperfine …
The ALPHA-g experiment, the hunt for gravitational dipoles and the quantum vacuum as the source of gravity in the Universe
D Hajdukovic - arxiv preprint arxiv:2403.15493, 2024 - arxiv.org
More recently, the ALPHA-g experiment has shown that antiatoms fall in the Earth's
gravitational field like ordinary atoms, with the open possibility that antiatoms fall with a …
gravitational field like ordinary atoms, with the open possibility that antiatoms fall with a …
arxiv: CIRCUS: an autonomous control system for antimatter, atomic and quantum physics experiments
M Volponi, S Mariazzi, L Penasa, V Rodin, OM Røhne… - 2024 - cds.cern.ch
A powerful and robust control system is a crucial, often neglected, pillar of any modern,
complex physics experiment that requires the management of a multitude of different …
complex physics experiment that requires the management of a multitude of different …