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CERN Accelerating science

CERN Document Server 7 records found  Search took 0.60 seconds. 
1.
The ECFA Early Career Researcher's Panel: composition, structure, and activities, 2021 - 2022 / Alexandru Geanta, Andrei (Bucharest U.) ; Amendola, Chiara (IRFU, Saclay) ; Apolinario, Liliana (LIP, Lisbon) ; Arling, Jan-Hendrik (DESY) ; Ashkenazi, Adi (Tel Aviv U.) ; Augsten, Kamil (Prague, Tech. U.) ; Bagnaschi, Emanuele (CERN) ; Bakos, Evelin (Belgrade, Inst. Phys.) ; Barak, Liron (Tel Aviv U.) ; Bastos, Diogo (LIP, Lisbon) et al.
The European Committee for Future Accelerators (ECFA) Early Career Researcher's (ECR) panel, which represents the interests of the ECR community to ECFA, officially began its activities in January 2021. [...]
arXiv:2212.11238.
- 13 p.
Fulltext
2.
Monte-Carlo simulation of positronium laser excitation and anti-hydrogen formation via charge exchange / AEgIS Collaboration
The AEgIS experiment aims at producing antihydrogen (and eventually measuring the effects of the Earth gravitational field on it) with a method based on the charge exchange reaction between antiproton and Rydberg positronium. To be precise, antiprotons are delivered by the CERN Antiproton Decelerator (AD) and are trapped in a multi-ring Penning trap, while positronium is produced by a nanoporous silica target and is excited to Rydberg states by means of a two steps laser excitation. [...]
2019 - 11 p. - Published in : Hyperfine Interact. 240 (2019) 18
In : 13th International Conference on Low Energy Antiproton Physics, Paris, France, 12 - 16 Mar 2018, pp.18
3.
Imaging a positronium cloud in a 1 Tesla / Camper, Antoine (CERN) ; Aghion, Stefano (Milan Polytechnic ; INFN, Milan) ; Amsler, Claude (Stefan Meyer Inst. Subatomare Phys.) ; Antonello, Massimiliano (INFN, Milan ; Insubria U., Como) ; Belov, Alexander (Moscow, INR) ; Bonomi, Germano (INFM, Brescia ; INFN, Pavia) ; Brusa, Roberto (Trento U. ; TIFPA-INFN, Trento) ; Caccia, Massimo (INFN, Milan ; Insubria U., Como) ; Caravita, Ruggero (CERN) ; Castelli, Fabrizio (INFN, Milan ; Milan U.) et al.
We report on recent developments in positronium work in the frame of antihydrogen production through charge exchange in the AEgIS collaboration [1]. In particular, we present a new technique based on spatially imaging a cloud of positronium by collecting the positrons emitted by photoionization. [...]
2019 - 7 p. - Published in : EPJ Web Conf. 198 (2019) 00004 Fulltext: PDF;
In : Quantum Technology International Conference 2018, Paris, France, 5 - 7 Sep 2018, pp.00004
4.
Positronium laser cooling in a magnetic field / Zimmer, Christian (CERN ; U. Heidelberg, ITP ; Milan Polytechnic ; Oslo U.) ; Yzombard, Pauline (Paris, Lab. Kastler Brossel) ; Camper, Antoine (Oslo U.) ; Comparat, Daniel (LAC, Orsay)
We study realistic 3D laser cooling of positronium (Ps) in the presence of a magnetic field. Triplet and singlet states mixing due to the magnetic field, and dynamical Stark effect, generally produce higher annihilation rates than in the zero-field case. [...]
2021 - 21 p. - Published in : Phys. Rev. A 104 (2021) 023106 Fulltext: PDF;
5.
Results of the 2021 ECFA Early-Career Researcher Survey on Training in Instrumentation / ECFA Early-Career Researcher Panel Collaboration
The European Committee for Future Accelerators (ECFA) Early-Career Researchers (ECR) Panel was invited by the ECFA Detector R&D Roadmap conveners to collect feedback from the European ECR community. [...]
arXiv:2107.05739.
- 32 p.
Fulltext - Fulltext
6.
Pulsed production of antihydrogen / Amsler, Claude (Stefan Meyer Inst. Subatomare Phys.) ; Antonello, Massimiliano (Insubria U., Como ; INFN, Milan) ; Belov, Alexander (Moscow, INR) ; Bonomi, Germano (U. Brescia ; INFN, Pavia) ; Brusa, Roberto Sennen (Trento U. ; TIFPA-INFN, Trento) ; Caccia, Massimo (Insubria U., Como ; INFN, Milan) ; Camper, Antoine (CERN) ; Caravita, Ruggero (TIFPA-INFN, Trento ; CERN) ; Castelli, Fabrizio (INFN, Milan ; Milan U.) ; Cheinet, Patrick (LAC, Orsay) et al.
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 antihydrogen with controllable and well defined conditions. We present here experimental results on the production of antihydrogen in a pulsed mode in which the time when 90% of the atoms are produced is known with an uncertainty of ~250 ns. [...]
2021 - 11 p. - Published in : Commun. Phys. 4 (2021) 19 Fulltext: PDF;
7.
High complexity femtosecond pulse duplicator / Camper, Antoine (CERN)
This paper presents a theoretical and numerical study of a 0-π fan-out phase grating placed in the Fourier plane of a spatio-spectral pulse shaper followed by a spherical focusing lens. It is shown that this device acts as a high complexity femtosecond pulse duplicator designed for two source interferometry. At the focus of the lens, the electric field displays two spatially separated intense spots in which relative delay can be continuously tuned over 4 orders of magnitude, typically from a few attoseconds to a few tens of femtoseconds. [...]
2020 - 8 p. - Published in : Opt. Express 28 (2020) 22247-22254 Fulltext: PDF;

See also: similar author names
19 Camper, A
9 Camper, A.
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