B. M. Latacz
A5020340242- Atomic and Subatomic Physics Research
- Atomic and Molecular Physics
- Particle accelerators and beam dynamics
- Dark Matter and Cosmic Phenomena
- Particle physics theoretical and experimental studies
- Muon and positron interactions and applications
- Cold Atom Physics and Bose-Einstein Condensates
- Particle Detector Development and Performance
- Advanced Frequency and Time Standards
- Particle Accelerators and Free-Electron Lasers
- Computational Physics and Python Applications
- Noncommutative and Quantum Gravity Theories
- Quantum Information and Cryptography
- Superconducting Materials and Applications
- Quantum, superfluid, helium dynamics
- Quantum Mechanics and Applications
- Radioactive Decay and Measurement Techniques
- Nuclear Physics and Applications
- Advanced NMR Techniques and Applications
- Cosmology and Gravitation Theories
- International Science and Diplomacy
- Radiation Therapy and Dosimetry
- Superconducting and THz Device Technology
- X-ray Spectroscopy and Fluorescence Analysis
- High-Energy Particle Collisions Research
European Organization for Nuclear Research
2023-2025
Université Paris-Saclay
2020-2024
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2019-2024
CEA Paris-Saclay
2019-2024
RIKEN
2021-2024
Institut de Recherche sur les Lois Fondamentales de l'Univers
2019-2024
Centrum Badań Jakości
2022
National Centre for Nuclear Research
2022
Max Planck Institute for Nuclear Physics
2022
We constrain the coupling between axionlike particles (ALPs) and photons, measured with superconducting resonant detection circuit of a cryogenic Penning trap. By searching noise spectrum our fixed-frequency for peaks caused by dark matter ALPs converting into photons in strong magnetic field Penning-trap magnet, we are able to masses around $2.7906-2.7914\,\textrm{neV/c}^2$ $g_{a\gamma}< 1 \times 10^{-11}\,\textrm{GeV}^{-1}$. This is more than one order magnitude lower best laboratory...
Abstract Efficient cooling of trapped charged particles is essential to many fundamental physics experiments 1,2 , high-precision metrology 3,4 and quantum technology 5,6 . Until now, sympathetic has required close-range Coulomb interactions 7,8 but there been a sustained desire bring laser-cooling techniques in macroscopically separated traps 5,9,10 extending control previously inaccessible such as highly ions, molecular ions antimatter. Here we demonstrate single proton using laser-cooled...
Cooling of particles to mK-temperatures is essential for a variety experiments with trapped charged particles. However, many species interest lack suitable electronic transitions direct laser cooling. We study theoretically the remote sympathetic cooling single proton laser-cooled $^9$Be$^+$ in double-Penning-trap system. investigate three different schemes and find, based on analytical calculations numerical simulations, that two them are capable achieving temperatures about 10 mK times...
<title>Abstract</title> Coherent quantum transition spectroscopy is a powerful tool in quantum-sensing and metrology (1), information processing (2), accurate magnetometry (3), high-precision tests of the fundamental laws nature, searches for physics beyond Standard Model (4). In atomic measurements, it was applied with great success proton deuteron magnetic moment measurements (5), which culminated example MASER sub-parts per trillion resolution (6), record-constraints on neutron electric...
Abstract Precision measurements using low-energy antiprotons, exclusively available at the antimatter factory (AMF) of CERN 1 , offer stringent tests charge–parity–time (CPT) invariance, which is a fundamental symmetry in Standard Model particle physics 2 . These have been realized, for example, antiprotonic helium 3 and antihydrogen 4 In our cryogenic Penning-trap experiments 5 we measure magnetic moments 6,7 charge-to-mass ratios protons antiprotons now provide most precise test CPT...
Abstract We report on the first production of an antihydrogen beam by charge exchange 6.1 keV antiprotons with a cloud positronium in GBAR experiment at CERN. The 100 antiproton delivered AD/ELENA facility was further decelerated pulsed drift tube. A 9 MeV electron from linear accelerator produced low energy positron beam. positrons were accumulated set two Penning–Malmberg traps. target resulted conversion extracted steered onto this to produce antiatoms. observe excess over background...
We present a description of the GBAR positron (e+) trapping apparatus, which consists three stage Buffer Gas Trap (BGT) followed by High Field Penning (HFT), and discuss its performance. The overall goal experiment is to measure acceleration neutral antihydrogen (H¯) atom in terrestrial gravitational field neutralising positive ion (H¯+), has been cooled low temperature, observing subsequent H¯ annihilation following free fall. To produce one H¯+ ion, about 1010 positrons, efficiently...
We demonstrate a new temperature record for image-current mediated sympathetic cooling of single proton in cryogenic Penning trap by laser-cooled ^{9}Be^{+}. An axial mode 170 mK is reached, which 15-fold improvement compared to the previous best value. Our technique applicable any charged particle, so that measurements presented here constitute milestone toward next generation high-precision Penning-trap with exotic particles.
We demonstrate efficient subthermal cooling of the modified cyclotron mode a single trapped antiproton and reach particle temperatures T_{+}=E_{+}/k_{B} below 200 mK in preparation times shorter than 500 s. This corresponds to fastest resistive single-particle ever demonstrated. By particles such low energies, we detection spin transitions with an error rate <0.000 023, more 3 orders magnitude better previous best experiments. method has enormous impact on multi-Penning-trap experiments that...
We present the design and characterization of a cryogenic window based on an ultra-thin aluminized biaxially oriented polyethylene terephthalate foil at T < 10 K, which can withstand pressure difference larger than 1 bar leak rate <1×10-9 mbar l/s. Its thickness ∼1.7 μm makes it transparent to various types particles over broad energy range. To optimize transfer 100 keV antiprotons through window, we tested degrading properties different aluminum coated polymer foils thicknesses between 900...
Currently, the world's only source of low-energy antiprotons is AD/ELENA facility located at CERN. To date, all precision measurements on single have been conducted this and provide stringent tests fundamental interactions their symmetries. However, magnetic field fluctuations from operation limit upcoming measurements. overcome limitation, we designed transportable antiproton trap system BASE-STEP to relocate laboratories with a calm environment. We anticipate that will facilitate enhanced...
The GBAR experiment aims to measure the gravitational acceleration of antihydrogen H.It will use H+ ions formed by interaction antiprotons with a dense positronium cloud, which require about 10 positrons produce one H + .We present first results on positron accumulation, reaching 3.8 ± 0.4 × 8 e collected in 560 s.
We describe a newly developed polytetrafluoroethylene/copper capacitor driven by cryogenic piezoelectric slip-stick stage and demonstrate with the chosen layout capacitance tuning of ≈60 pF at ≈10 background capacitance. Connected to highly sensitive superconducting toroidal LC circuit, we resonant frequency between 345 685 kHz, quality factors Q > 100 000. ultra low noise amplifier, range 520 710 kHz is reached, while 86 000 are achieved. This new device can be used as versatile image...
Abstract The BASE collaboration at the antiproton decelerator/ELENA facility of CERN compares fundamental properties protons and antiprotons with ultra-high precision. Using advanced Penning trap systems, we have measured proton magnetic moments fractional uncertainties 300 parts in a trillion (p.p.t.) 1.5 billion (p.p.b.), respectively. combined measurements improve resolution previous best test that sector by more than factor 3000. Very recently, compared antiproton/proton charge-to-mass...
The Standard Model (SM) of particle physics is both incredibly successful and glaringly incomplete. Among the questions left open striking imbalance matter antimatter in observable universe which inspires experiments to compare fundamental properties matter/antimatter conjugates with high precision. Our deal direct investigations protons antiprotons, performing spectroscopy advanced cryogenic Penning-trap systems. For instance, we compared proton/antiproton magnetic moments 1.5 ppb...
We present a fluorescence-detection system for laser-cooled 9Be+ ions based on silicon photomultipliers (SiPMs) operated at 4 K and integrated into our cryogenic 1.9 T multi-Penning-trap system. Our approach enables fluorescence detection in hermetically sealed Penning-trap chamber with limited optical access, where state-of-the-art using telescope room temperature would be extremely difficult. characterize the properties of SiPM cryocooler K, we measure dark count rate below 1 s-1...
We have developed a PbWO4 (PWO) detector with large dynamic range to measure the intensity of positron beam and absolute density ortho-positronium (o-Ps) cloud it creates.A simulation study shows that setup based on such detectors may be used determine angular distribution emission reflection o-Ps reduce part uncertainties measurement.These will allow improve precision in measurement cross-section for (anti)hydrogen formation by (anti)proton-positronium charge exchange optimize yield...
We demonstrate a new temperature record for image-current mediated sympathetic cooling of single proton in cryogenic Penning trap by laser-cooled $^9$Be$^+$. An axial mode 170 mK is reached, which 15-fold improvement compared to the previous best value. Our technique applicable any charged particle, so that measurements presented here constitute milestone towards next generation high-precision Penning-trap with exotic particles.
We demonstrate efficient sub-thermal cooling of the modified cyclotron mode a single trapped antiproton and reach particle temperatures $T_+=E_+/k_\text{B}$ below $200\,$mK in preparation times shorter than $500\,$s. This corresponds to fastest resistive single-particle ever demonstrated. By particles such low energies, we detection spin transitions with an error-rate $<0.000025$, more three orders magnitude better previous best experiments. method will have enormous impact on...