CERN Accelerating science

CERN Document Server 8 записей найдено  Поиск длился 0.91 секунд. 
1.
The AEgIS Experiment: Progress and Future Outlook / AEgIS Collaboration
The AEgIS experiment at CERN is pioneering measurements of gravity, spectroscopy, and interferometry using pulsed antimatter atomic sources. This work provides an overview of the AEgIS experimental setupand highlights recent advancements in antihydrogen production, positronium laser cooling, and the creation of antiprotonic atoms. [...]
POS (EXA-LEAP2024) 024.- 2025 - 9 p. - Published in : PoS EXA-LEAP2024 (2025) 024 Fulltext: PDF;
In : International Conference on Exotic Atoms and Related Topics and Conference on Low Energy Antiprotons (EXA/LEAP 2024), Vienna, Austria, 26 - 30 Aug 2024, pp.024
2.
Prospects for forward emitted positronium from nanoporous membranes at AEgIS / AEgIS Collaboration
Antihydrogen formation at AEgIS at CERN leverages charge exchange between Rydberg positronium (Ps*) and antiprotons, with cross-sections scaling with the Ps principal quantum number $n^4$ and inversely with relative velocity $v^{-2}$. However, the motional Stark effect and velocity mismatch between Ps and antiprotons impose stringent constraints, limiting efficiency. [...]
2025 - 7 p. - Published in : PoS EXA-LEAP2024 (2025) 082 Fulltext: PDF;
In : International Conference on Exotic Atoms and Related Topics and Conference on Low Energy Antiprotons (EXA/LEAP 2024), Vienna, Austria, 26 - 30 Aug 2024, pp.082
3.
3D Simulation studies of mixed plasma confinement at $AE \overline{g}IS$ / AEgIS Collaboration
The $ AE\bar{g}IS$ (Antimatter Experiment: Gravity, Interferometry and Spectroscopy) project, based at CERN's Antiproton Decelerator (AD) facility seeks to probe the Weak Equivalence Principle (WEP) for antimatter. It has undergone significant enhancements, capitalizing on the increased quantity of colder antiprotons made available by the Extra Low Energy Antiproton Ring (ELENA) decelerator [...]
2025 - 7 p. - Published in : PoS EXA-LEAP2024 (2025) 076 Fulltext: PDF;
In : International Conference on Exotic Atoms and Related Topics and Conference on Low Energy Antiprotons (EXA/LEAP 2024), Vienna, Austria, 26 - 30 Aug 2024, pp.076
4.
Positron-Positronium Converters in Reflection and Transmission Geometry for Gravitational Experiments with Antihydrogen using Moiré Deflectometry / Ferguson, R C (Trento U. ; INFN, Trento) ; Alfaro Campos, S (Siegen U. ; Innsbruck U.) ; Auzins, M (Latvia U.) ; Berghold, M (Munich, Tech. U.) ; Bergmann, B (Prague, Tech. U.) ; Burian, P (Prague, Tech. U.) ; Brusa, R S (Trento U. ; INFN, Trento) ; Camper, A (Oslo U.) ; Caravita, R (Trento U. ; INFN, Trento) ; Castelli, F (INFN, Milan ; Milan U.) et al.
In the context of the Antihydrogen Experiment: Gravity, Interferometry, Spectroscopy (AEgIS) located at CERN, positron-positronium converters with a high positron-positronium conversion efficiency have been designed in both reflection and transmission geometries. The converters utilize nanochanneled silicon target technology with positron conversion efficiencies up to around 50% and around 16%, at room temperature and in the absence of magnetic fields, for reflection and transmission respectively. [...]
2025 - 5 p. - Published in : J. Phys. : Conf. Ser. 3029 (2025) 012005 Fulltext: PDF;
In : International Workshop on Positron and Positronium Chemistry, Kanazawa, Japan, 27 Oct - 1 Nov, pp.012005
5.
Real-time antiproton annihilation vertexing with submicrometer resolution / AEḡIS Collaboration
The primary goal of the AEgIS experiment is to precisely measure the free fall of antihydrogen within Earth's gravitational field. To this end, a cold ~50K antihydrogen beam has to pass through two grids forming a moiré deflectometer before annihilating onto a position-sensitive detector, which shall determine the vertical position of the annihilation vertex relative to the grids with micrometric accuracy. [...]
arXiv:2406.16044.- 2025-04-04 - 10 p. - Published in : Sci. Adv. 11 (2025) ads1176 Fulltext: 2406.16044 - PDF; document - PDF;
6.
Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab / Accardi, A. (Hampton U.) ; Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U.) ; Akondi, C.S. (Florida State U.) ; Akopov, N. (Yerevan Phys. Inst.) ; Albaladejo, M. (Valencia U., IFIC) ; Albataineh, H. (Texas A-M ; HARC, Woodlands) ; Albrecht, M. (Jefferson Lab) ; Almeida-Zamora, B. (Sonora U.) et al.
This document presents the initial scientific case for upgrading the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab (JLab) to 22 GeV. It is the result of a community effort, incorporating insights from a series of workshops conducted between March 2022 and April 2023. [...]
arXiv:2306.09360; JLAB-PHY-23-3840; JLAB-THY-23-3848.- 2024-09-04 - 139 p. - Published in : Eur. Phys. J. A 60 (2024) 173 Fulltext: PDF; External link: JLab Document Server
7. Antihydrogen Experiment Gravity Interferometry Spectroscopy / Haug, F et al. - AEGIS.
Approved: 05 December 2008.-
Status: Data Taking
External link: Experiment home page
Experiment: AD-6
8.
Heliolatitudinal distribution of cosmic rays near earth at higher rigidities during 1983-85 / Jain, A K ; Pandey, P K ; Tiwari, A K
1987
In : 20th International Cosmic-ray Conference, v.3 : SH session : solar and heliospheric phenomena, Moscow, USSR, 2 - 15 Aug 1987, pp.373-375

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