CERN Accelerating science

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1.
An alexandrite laser system for positronium laser cooling / Gusakova, N (CERN ; Norwegian U. Sci. Tech.) ; Camper, A (Oslo U.) ; Caravita, R (Trento U. ; INFN, Trento) ; Penasa, L (Trento U. ; INFN, Trento ; U. Trento (main)) ; Glöggler, L T (CERN) ; Wolz, T (CERN) ; Krumins, V (CERN ; Latvia U.) ; Gustafsson, F P (CERN) ; Huck, S (CERN ; Hamburg U.) ; Volponi, M (CERN ; Trento U. ; INFN, Trento ; U. Trento (main)) et al.
We report on a Q-switched alexandrite based ∼100ns long pulse duration ultra-violet laser system. The central wavelength of the fundamental pulse is set by a Volume Bragg Grating in reflection and can be tuned between 728nm and 742nm. [...]
2024 - 8 p. - Published in : Opt. Laser Technol. 182 (2025) 112097 Fulltext: PDF;
2.
TALOS (Total Automation of LabVIEW Operations for Science): A framework for autonomous control systems for complex experiments / Volponi, M. (CERN ; Trento U. ; INFN, Trento) ; Zielinski, J. (Warsaw U. of Tech.) ; Rauschendorfer, T. (CERN ; Leipzig U.) ; Huck, S. (CERN ; Hamburg U.) ; Caravita, R. (Trento U. ; INFN, Trento) ; Auzins, M. (CERN ; Latvia U.) ; Bergmann, B. (Prague, Tech. U.) ; Burian, P. (Prague, Tech. U.) ; Brusa, R.S. (Trento U. ; INFN, Trento) ; Camper, A. (Oslo U.) et al.
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 central role in orchestrating the measurement setup: However, its development is often treated as secondary with respect to the hardware, its importance becoming evident only during the operational phase. [...]
arXiv:2409.01058.- 2024-08-01 - 22 p. - Published in : Rev. Sci. Instrum. 95 (2024) 085116 Fulltext: 2409.01058 - PDF; Publication - PDF;
3.
Towards the formation of a forward-boosted beam of neutral antihydrogen for gravitational studies / Volponi, Marco
The matter/antimatter asymmetry is one of the greatest mysteries in modern physics [...]
CERN-THESIS-2024-163 - 2024 - 285.

4.
CIRCUS: an autonomous control system for antimatter, atomic and quantum physics experiments / AEgIS Collaboration
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 devices and their precise time synchronisation. The AEgIS collaboration presents CIRCUS, a novel, autonomous control system optimised for time-critical experiments such as those at CERN's Antiproton Decelerator and, more broadly, in atomic and quantum physics research. [...]
arXiv:2402.04637.- 2024-02-15 - 35 p. - Published in : EPJ Quant. Technol. 11 (2024) 10 Fulltext: document - PDF; 2402.04637 - PDF;
5.
Weighing antimatter: AEgIS Phase 2, upgrades and first data / Volponi, M (Trento U. ; INFN, Trento ; CERN) /AEgIS Collaboration
AE¯gIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is an experiment at the Antiproton Decelerator (AD) facility at CERN whose goal is to study the asymmetry between matter and antimatter and, in particular, the effect of the Earth’s gravitational field on antihydrogen ( ¯ H). During the 2018 run, ¯H was formed, leading into considerable gain of knowledge on the processes involved. [...]
2023 - 4 p. - Published in : Nuovo Cimento C 46 (2023) 106 Fulltext: PDF;
In : 108th Congresso Nazionale della Societa Italiana di Fisica (SIF 2022), Milan, Italy, 12 - 16 Sep 2022, pp.106
6.
Positronium Laser Cooling via the <math display="inline"><mrow><msup><mrow><mn>1</mn></mrow><mrow><mn>3</mn></mrow></msup><mi>S</mi><mtext>-</mtext><msup><mrow><mn>2</mn></mrow><mrow><mn>3</mn></mrow></msup><mi>P</mi></mrow></math> Transition with a Broadband Laser Pulse / AEḡIS Collaboration
We report on laser cooling of a large fraction of positronium (Ps) in free-flight by strongly saturating the $1^3S$-$2^3P$ transition with a broadband, long-pulsed 243 nm alexandrite laser. The ground state Ps cloud is produced in a magnetic and electric field-free environment. [...]
arXiv:2310.08760.- 2024-02-22 - 7 p. - Published in : Phys. Rev. Lett. 132 (2024) 083402 Fulltext: 2310.08760 - PDF; Publication - PDF; External links: Physics Synopsis; Interactions.org article
7.
Development of a detector for inertial sensing of positronium at AEḡIS (CERN) / AEgIS Collaboration
The primary goal of the AEgIS collaboration at CERN is to measure the gravitational acceleration on neutral antimatter. Positronium (Ps), the bound state of an electron and a positron, is a suitable candidate for a force-sensitive inertial measurement by means of deflectometry/interferometry. [...]
2022 - 4 p. - Published in : J. Phys. : Conf. Ser. 2374 (2022) 012037 Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012037
8.
Control system for ion Penning traps at the AEgIS experiment at CERN / Nowicka, D (Warsaw U. of Tech.) ; Bergmann, B (Prague, Tech. U.) ; Bonomi, G (Brescia U. ; INFN, Brescia ; INFN, Pavia) ; Brusa, R S (TIFPA-INFN, Trento ; Trento U.) ; Burian, P (Prague, Tech. U.) ; Camper, A (Oslo U.) ; Caravita, R (TIFPA-INFN, Trento ; Trento U.) ; Castelli, F (Milan U. ; INFN, Milan) ; Cheinet, P (LAC, Orsay) ; Comparat, D (LAC, Orsay) et al.
The AEgIS experiment located at the Antiproton Decelerator at CERN aims to measure the gravitational fall of a cold antihydrogen pulsed beam. The precise observation of the antiatoms in the Earth gravitational field requires a controlled production and manipulation of antihydrogen. [...]
2022 - 5 p. - Published in : J. Phys. : Conf. Ser. 2374 (2022) 012038 Fulltext: PDF;
In : International Conference on Technology and Instrumentation in Particle Physics (TIPP 2021), Online, Canada, 24 - 29 May 2021, pp.012038
9.
Progress towards measuring the fall of antimatter in Earth's gravitational field / Volponi, Marco (Trento U. ; CERN)
The AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) experiment, located at the Antimatter Factory at CERN, aims to study the asymmetry between matter and antimatter. [...]
arXiv:2306.04594.
- 4 p.
Fulltext
10.
Experiments with mid-heavy antiprotonic atoms in AE$\overline{g}$IS / AEgIS Collaboration
ments which provide the most precise data on the strong interaction between protons and antiprotons and of the neutron skin of many nuclei thanks to the clean annihilation signal. In most of these experiments, the capture process of low energy antiprotons was done in a dense target leading to a significant suppression of specific transitions between deeply bound levels that are of particular interest. [...]
2022 - 6 p. - Published in : PoS PANIC2021 (2022) 446 Fulltext: PDF;
In : 22nd Particles and Nuclei International Conference (PANIC 2021), Lisbon, Portugal, 5 - 10 Sep 2021, pp.446

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