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Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the Second Workshop
/ Abdalla, Adam (Darmstadt, Tech. Hochsch.) ; Abe, Mahiro (Stanford U., Phys. Dept.) ; Abend, Sven (Leibniz U., Hannover) ; Abidi, Mouine (Leibniz U., Hannover) ; Aidelsburger, Monika (Munich, Max Planck Inst. Quantenopt. ; Munich U. ; Munich U., ASC ; MCQST, Munich) ; Alibabaei, Ashkan (Leibniz U., Hannover) ; Allard, Baptiste (LCAR, Toulouse) ; Antoniadis, John (Athens U.) ; Arduini, Gianluigi (CERN) ; Augst, Nadja (DLR, Berlin) et al.
This summary of the second Terrestrial Very-Long-Baseline Atom Interferometry (TVLBAI) Workshop provides a comprehensive overview of our meeting held in London in April 2024, building on the initial discussions during the inaugural workshop held at CERN in March 2023. [...]
arXiv:2412.14960.
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105.
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Production of antihydrogen atoms by 6 keV antiprotons through a positronium cloud
/ Adrich, P. (NCBJ, Swierk) ; Blumer, P. (Zurich, ETH) ; Caratsch, G. (Zurich, ETH) ; Chung, M. (UNIST, Ulsan) ; Cladé, P. (Paris, Lab. Kastler Brossel) ; Comini, P. (IRFU, Saclay) ; Crivelli, P. (Zurich, ETH) ; Dalkarov, O. (Unlisted) ; Debu, P. (IRFU, Saclay) ; Douillet, A. (Paris, Lab. Kastler Brossel ; U. Evry) et al.
We report on the first production of an antihydrogen beam by charge exchange of 6.1 keV antiprotons with a cloud of positronium in the GBAR experiment at CERN. The antiproton beam was delivered by the AD/ELENA facility. [...]
arXiv:2306.15801.-
2023-11-06 - 18 p.
- Published in : Eur. Phys. J. C
Fulltext: 2306.15801 - PDF; Publication - PDF; Erratum - PDF;
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Feebly Interacting Particles: FIPs 2022 workshop report
/ Antel, C. (Geneva U.) ; Battaglieri, M. (INFN, Genoa) ; Beacham, J. (Duke U.) ; Boehm, C. (Sydney U.) ; Buchmüller, O. (Imperial Coll., London) ; Calore, F. (Annecy, LAPTH) ; Carenza, P. (Stockholm U., OKC) ; Chauhan, B. (U. Iowa, Iowa City) ; Cladè, P. (Paris, Lab. Kastler Brossel) ; Coloma, P. (Madrid, IFT ; Madrid, Autonoma U.) et al.
Particle physics today faces the challenge of explaining the mystery of dark matter, the origin of matter over anti-matter in the Universe, the origin of the neutrino masses, the apparent fine-tuning of the electro-weak scale, and many other aspects of fundamental physics. Perhaps the most striking frontier to emerge in the search for answers involves new physics at mass scales comparable to familiar matter, below the GeV-scale, or even radically below, down to sub-eV scales, and with very feeble interaction strength. [...]
arXiv:2305.01715; CERN-TH-2023-061; DESY-23-050; FERMILAB-PUB-23-149-PPD; INFN-23-14-LNF; JLAB-PHY-23-3789; LA-UR-23-21432; MITP-23-015.-
2023-12-11 - 266 p.
- Published in : Eur. Phys. J. C 83 (2023) 1122
Fulltext: PDF; Fulltext from Publisher: document - PDF; Publication - PDF;
In : Workshop on Feebly-Interacting Particles (FIPs 2022), CERN, Geneva, Switzerland, 17 - 21 Oct 2022, pp.1122
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A pulsed high-voltage decelerator system to deliver low-energy antiprotons
/ Husson, A (IJCLab, Orsay) ; Kim, B H (Seoul Natl. U., Dept. Phys. Astron.) ; Welker, A (CERN) ; Charlton, M (Swansea U.) ; Choi, J J (Seoul Natl. U., Dept. Phys. Astron.) ; Chung, M (UNIST, Ulsan) ; Cladé, P (Paris, Lab. Kastler Brossel) ; Comini, P (IRFU, Saclay) ; Crépin, P -P (Paris, Lab. Kastler Brossel) ; Crivelli, P (Zurich, ETH-CSCS/SCSC) et al.
The GBAR (Gravitational Behavior of Antihydrogen at Rest) experiment at CERN requires efficient deceleration of 100 keV antiprotons provided by the new ELENA synchrotron ring to synthesize antihydrogen. This is accomplished using electrostatic deceleration optics and a drift tube that is designed to switch from -99 kV to ground when the antiproton bunch is inside – essentially a charged particle “elevator” – producing a 1 keV pulse. [...]
2021 - 7 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1002 (2021) 165245
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Positron production using a 9 MeV electron linac for the GBAR experiment
/ Charlton, M. (Swansea U.) ; Choi, J.J. (Seoul Natl. U., Dept. Phys. Astron.) ; Chung, M. (UNIST, Ulsan) ; Cladé, P. (Paris, Lab. Kastler Brossel) ; Comini, P. (IRFU, Saclay) ; Crépin, P.P. (Paris, Lab. Kastler Brossel) ; Crivelli, P. (Zurich, ETH) ; Dalkarov, O. (Lebedev Inst.) ; Debu, P. (IRFU, Saclay) ; Dodd, L. (Swansea U.) et al.
For the GBAR (Gravitational Behaviour of Antihydrogen at Rest) experiment at CERN's Antiproton Decelerator (AD) facility we have constructed a source of slow positrons, which uses a low-energy electron linear accelerator (linac). The driver linac produces electrons of 9 MeV kinetic energy that create positrons from bremsstrahlung-induced pair production. [...]
arXiv:2006.05966.-
2021-01-01 - 33 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 985 (2021) 164657
Fulltext: PDF;
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The anomalous magnetic moment of the muon in the Standard Model
/ Aoyama, T. (KEK, Tsukuba ; Nishina Ctr., RIKEN ; KMI, Nagoya) ; Asmussen, N. (Southampton U.) ; Benayoun, M. (Paris U., VI-VII) ; Bijnens, J. (Lund U.) ; Blum, T. (Connecticut U. ; RIKEN BNL) ; Bruno, M. (CERN) ; Caprini, I. (Bucharest, IFIN-HH) ; Carloni Calame, C.M. (INFN, Pavia) ; Cè, M. (CERN ; Mainz U., Inst. Phys. ; Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Colangelo, G. (U. Bern, AEC) et al.
We review the present status of the Standard Model calculation of the anomalous magnetic moment of the muon. This is performed in a perturbative expansion in the fine-structure constant $\alpha$ and is broken down into pure QED, electroweak, and hadronic contributions. [...]
arXiv:2006.04822; FERMILAB-PUB-20-207-T; INT-PUB-20-021; KEK Preprint 2020-5,
MITP/20-028; KEK Preprint 2020-5, MITP/20-028; CERN-TH-2020-075; IFT-UAM/CSIC-20-74; LMU-ASC 18/20; LTH 1234,
LU TP 20-20; LTH 1234, LU TP 20-20; MAN/HEP/2020/003; PSI-PR-20-06; UWThPh 2020-14; ZU-TH 18/20.-
Geneva : CERN, 2020-12-03 - 166 p.
- Published in : Phys. Rep. 887 (2020) 1-166
Fulltext: 2006.04822 - PDF; fermilab-pub-20-207-t - PDF; Fulltext from Publisher: PDF; External links: Fermilab News article; Fermilab Library Server (fulltext available)
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