[HTML][HTML] Antiprotonic bound systems

M Doser - Progress in Particle and Nuclear Physics, 2022‏ - Elsevier
A wide range of exotic bound systems incorporating antiprotons (atoms, atomic ions,
molecules or molecular ions) can be formed, in many cases simply by replacing at least one …

Pulsed production of antihydrogen

C Amsler, M Antonello, A Belov, G Bonomi… - Communications …, 2021‏ - nature.com
Antihydrogen atoms with K or sub-K temperature are a powerful tool to precisely probe the
validity of fundamental physics laws and the design of highly sensitive experiments needs …

Positronium Laser Cooling via the Transition with a Broadband Laser Pulse

LT Glöggler, N Gusakova, B Rienäcker, A Camper… - Physical Review Letters, 2024‏ - APS
We report on laser cooling of a large fraction of positronium (Ps) in free flight by strongly
saturating the 1 3 S-2 3 P transition with a broadband, long-pulsed 243 nm alexandrite laser …

High-yield thermalized positronium at room temperature emitted by morphologically tuned nanochanneled silicon targets

S Mariazzi, R Caravita, C Zimmer… - Journal of Physics B …, 2021‏ - iopscience.iop.org
Nanochanneled silicon targets with high positron/positronium (Ps) conversion rate and
efficient Ps cooling were produced. Morphological parameters of the nanochannels, such as …

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 …

Forward emission of positronium from nanochanneled silicon membranes

S Mariazzi, B Rienäcker, R Magrin Maffei, L Povolo… - Physical Review B, 2022‏ - APS
Positronium beam formation and manipulation are required in several fundamental
experiments. Efficient positron/positronium conversion in transmission configuration would …

Generation of a bunched positron beam extracted nonadiabatically from a buffer-gas trap and focused in a free field region

L Povolo, S Mariazzi, L Penasa, R Caravita… - … Review Accelerators and …, 2023‏ - APS
Advanced spectroscopy experiments and new physics experiments with positronium atoms
in vacuum will benefit from positronium production in an environment free of magnetic and …

[HTML][HTML] An alexandrite laser system for positronium laser cooling

N Gusakova, A Camper, R Caravita, L Penasa… - Optics & Laser …, 2025‏ - Elsevier
We report on a Q-switched alexandrite based∼ 100 ns long pulse duration ultra-violet laser
system. The central wavelength of the fundamental pulse is set by a Volume Bragg Grating …

Coherent laser cooling with trains of ultrashort laser pulses

J Malamant, N Gusakova, H Sandaker, IT Sorokina… - Physical Review A, 2024‏ - APS
We propose to extend coherent laser cooling from narrowband to broadband transitions by
using trains of ultrashort broadband pulses. We analytically study two possible methods to …

Classical modeling of positronium cooling in silicon nanochannel plates

F Guatieri, S Mariazzi, C Hugenschmidt, RS Brusa - Physical Review B, 2022‏ - APS
Silicon nanochannel plates (NCPs) are employed in a variety of experiments as sources of
cold positronium (Ps) via positron to Ps conversion. Despite the widespread use of NCPs, no …