Search Results - "Malbrunot, Chloé"
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Annihilation detector for an in-beam spectroscopy apparatus to measure the ground state hyperfine splitting of antihydrogen
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-02-2017)“…The matter-antimatter asymmetry observed in the universe today still lacks a quantitative explanation. One possible mechanism that could contribute to the…”
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2
Pulsed production of antihydrogen
Published in Communications physics (08-02-2021)“…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…”
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3
A Rydberg hydrogen beam for studies of stimulated deexcitation
Published in EPJ Web of conferences (2022)“…We present a Rydberg hydrogen beamline developed to commission techniques of stimulated deexcitation for application in antihydrogen experiments at CERN’s…”
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Design of New Resonant Haloscopes in the Search for the Dark Matter Axion: A Review of the First Steps in the RADES Collaboration
Published in Universe (Basel) (01-01-2022)“…With the increasing interest in dark matter axion detection through haloscopes, in which different international groups are currently involved, the RADES group…”
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Induced THz transitions in Rydberg caesium atoms for application in antihydrogen experiments
Published in The European physical journal. D, Atomic, molecular, and optical physics (2021)“…Antihydrogen atoms are produced at CERN in highly excited Rydberg states. However, precision measurements require anti-atoms in ground state. Whereas…”
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6
Producing long-lived 2 3S positronium via 3 3P laser excitation in magnetic and electric fields
Published in Physical review. A, Atomic, molecular, and optical physics (2018)“…Producing positronium (Ps) in the metastable 2 3 S state is of interest for various applications in fundamental physics. We report here on an experiment in…”
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A Proposal for a Low‐Frequency Axion Search in the 1–2 μ$\umu$ eV Range and Below with the BabyIAXO Magnet
Published in Annalen der Physik (01-12-2023)“…In the near future BabyIAXO will be the most powerful axion helioscope, relying on a custom‐made magnet of two bores of 70 cm diameter and 10 m long, with a…”
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Compression of a mixed antiproton and electron non-neutral plasma to high densities
Published in The European physical journal. D, Atomic, molecular, and optical physics (2018)“…We describe a multi-step “rotating wall” compression of a mixed cold antiproton–electron non-neutral plasma in a 4.46 T Penning–Malmberg trap developed in the…”
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Toward a pulsed antihydrogen beam for WEP tests in AEgIS
Published in EPJ Web of conferences (2023)“…The AEg̅IS collaboration at CERN’s AD produces antihydrogen atoms in the form of a pulsed, isotropic source with a precisely defined formation time. AEg̅IS has…”
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Correction to: Compression of a mixed antiproton and electron non-neutral plasma to high densities: Eur. Phys. J. D 72: 76 (2018), DOI: 10.1140/epjd/e2018-80617-x
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-11-2019)“…This correction provides updated acknowledgements: This work was supported by Istituto Nazionale di Fisica Nucleare; the Swiss National Science Foundation…”
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Correction to: Compression of a mixed antiproton and electron non-neutral plasma to high densities
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-01-2019)“…This correction provides updated acknowledgements:This work was supported by Istituto Nazionale di Fisica Nucleare; the Swiss National Science Foundation…”
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12
Imaging a positronium cloud in a 1 Tesla
Published in EPJ Web of conferences (2019)“…We report on recent developments in positronium work in the frame of antihydrogen production through charge exchange in the AEgIS collaboration [1]. In…”
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Journal Article Conference Proceeding -
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Laser stimulated deexcitation of Rydberg antihydrogen atoms
Published 17-12-2018“…Phys. Rev. A 99, 013418 (2019) Antihydrogen atoms are routinely formed at CERN in a broad range of Rydberg states. Ground-state anti-atoms, those useful for…”
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14
An atomic hydrogen beam to test ASACUSA’s apparatus for antihydrogen spectroscopy
Published in Hyperfine interactions (01-08-2015)“…The ASACUSA collaboration aims to measure the ground state hyperfine splitting (GS-HFS) of antihydrogen, the antimatter counterpart to atomic hydrogen…”
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15
Towards the first measurement of matter-antimatter gravitational interaction
Published in EPJ Web of conferences (01-01-2018)“…The AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is a CERN based experiment with the central aim to measure directly the gravitational…”
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Journal Article Conference Proceeding -
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Experimental perspectives on the matter-antimatter asymmetry puzzle: developments in electron EDM and antihydrogen experiments
Published 10-11-2023“…In the search for clues to the matter-antimatter puzzle, experiments with atoms or molecules play a particular role. These systems allow measurements with very…”
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Search for Dark Matter Axions with CAST-CAPP
Published in Nature communications (19-10-2022)“…The CAST-CAPP axion haloscope, operating at CERN inside the CAST dipole magnet, has searched for axions in the 19.74 μ eV to 22.47 μ eV mass range. The…”
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CPT and Lorentz symmetry tests with hydrogen using a novel in-beam hyperfine spectroscopy method applicable to antihydrogen experiments
Published in Physics letters. B (01-11-2024)“…We present a Rabi-type measurement of two ground-state hydrogen hyperfine transitions performed in two opposite external magnetic field directions. This puts…”
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Stimulated decay and formation of antihydrogen atoms
Published 23-04-2020“…Phys. Rev. A 101, 043412 (2020) Antihydrogen atoms are routinely formed at the Antiproton Decelerator at CERN in a wide range of Rydberg states. To perform…”
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Induced THz transitions in Rydberg caesium atoms for application in antihydrogen experiments
Published 26-01-2021“…Eur. Phys. J. D 75, 27 (2021) Antihydrogen atoms are produced at CERN in highly excited Rydberg states. However, precision measurements require anti-atoms in…”
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