Lisa Theresa Glöggler
A5019717860- Atomic and Molecular Physics
- Particle Detector Development and Performance
- Muon and positron interactions and applications
- Atomic and Subatomic Physics Research
- Cold Atom Physics and Bose-Einstein Condensates
- Advanced Frequency and Time Standards
- X-ray Spectroscopy and Fluorescence Analysis
- Particle accelerators and beam dynamics
- Radiation Detection and Scintillator Technologies
- Advanced X-ray Imaging Techniques
- Mass Spectrometry Techniques and Applications
- Magnetic confinement fusion research
- Nuclear physics research studies
- Optical properties and cooling technologies in crystalline materials
- Solid State Laser Technologies
- Particle Accelerators and Free-Electron Lasers
- Diamond and Carbon-based Materials Research
- Advanced Electron Microscopy Techniques and Applications
- Ion-surface interactions and analysis
- Radiation Therapy and Dosimetry
- Astro and Planetary Science
- Laser Design and Applications
- Fault Detection and Control Systems
- Radiation Effects in Electronics
- Microfluidic and Capillary Electrophoresis Applications
European Organization for Nuclear Research
2015-2025
Technische Universität Berlin
2020-2022
Politecnico di Milano
2022
Abstract Antihydrogen atoms with K or sub-K temperature are a powerful tool to precisely probe the validity of fundamental physics laws and design highly sensitive experiments needs antihydrogen controllable well defined conditions. We present here experimental results on production in pulsed mode which time when 90% produced is known an uncertainty ~250 ns. The source generated by charge-exchange reaction between Rydberg positronium atoms—produced via injection positron beam into...
We report on laser cooling of a large fraction positronium (Ps) in free flight by strongly saturating the 1^{3}S-2^{3}P transition with broadband, long-pulsed 243 nm alexandrite laser. The ground state Ps cloud is produced magnetic and electric field-free environment. observe two different laser-induced effects. first effect an increase number atoms after time has spent long-lived 2^{3}P states. second one-dimensional Doppler Ps, reducing cloud's temperature from 380(20) to 170(20) K....
Abstract A powerful and robust control system is a crucial, often neglected, pillar of any modern, complex physics experiment that requires the management multitude different devices their precise time synchronisation. The AEḡIS collaboration presents CIRCUS, novel, autonomous optimised for time-critical experiments such as those at CERN’s Antiproton Decelerator and, more broadly, in atomic quantum research. Its setup based on Sinara/ARTIQ TALOS, integrating ALPACA analysis pipeline, last...
Antihydrogen formation at AEgIS CERN leverages charge exchange between Rydberg positronium (Ps*) and antiprotons, with cross-sections scaling the Ps principal quantum number $n^4$ inversely relative velocity $𝑣^{−2}$. However, motional Stark effect mismatch antiprotons impose stringent constraints, limiting efficiency. Advances in transmission converters mitigate self-ionization losses improve alignment, promising a significant boost antihydrogen yield. This work evaluates cross-sections,...
The experimental demonstration of positronium laser cooling with stationary broadband pulses negative detuning is briefly described. Considerations on the limits current experiment and possible future developments follow. In particular, benefit positron remoderation, use a magnetic field, polarization, pulse shaping, coherent deceleration are shortly discussed.
Primary goal of the AEḡIS experiment is to precisely measure free fall antihydrogen within Earth’s gravitational field. To this end, cold (≈50 K) will traverse a two-grid moiré deflectometer before annihilating onto position-sensitive detector, which shall determine vertical position annihilation vertex relative grids with micrometric accuracy. Here, we introduce vertexing detector based on modified mobile camera sensor and experimentally demonstrate that it can antiproton annihilations...
We present a laboratory setup for near edge X-ray absorption spectroscopy (NEXAFS) in the soft regime between 284 eV to 1303 with resolving power of up 1370. Based on laser-produced plasma source, pair identical reflection zone plates and an CCD camera, is intended optical pump probe NEXAFS measurements detectable change excited sample down 10-4 500 ps time resolution. Because high stability source statistical error only depends detector response number photons detected can reach noise limit...
We characterized the pulsed Rydberg-positronium production inside Antimatter Experiment: Gravity, Interferometry, Spectroscopy ($\mathrm{AE}\overline{\text{g}}\mathrm{IS}$) apparatus in view of antihydrogen formation by means a charge exchange reaction between cold antiprotons and slow atoms. Velocity measurements on positronium along two axes cryogenic environment ($\ensuremath{\approx}10\phantom{\rule{0.16em}{0ex}}\mathrm{K}$) $1\phantom{\rule{0.16em}{0ex}}\mathrm{T}$ magnetic field were...
Abstract Nanochanneled silicon targets with high positron/positronium (Ps) conversion rate and efficient Ps cooling were produced. Morphological parameters of the nanochannels, such as their diameter length, adjusted to get a large fraction thermalized at room temperature being emitted into vacuum. measurements conducted combining single-shot positron annihilation lifetime spectroscopy Doppler 1 3 S → 2 P transition. γ –3 ratio also performed estimate positron/Ps efficiency. In converter...
Modern physics experiments are frequently very complex, relying on multiple simultaneous events to happen in order obtain the desired result. The experiment control system plays a central role orchestrating measurement setup: However, its development is often treated as secondary with respect hardware, importance becoming evident only during operational phase. Therefore, AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) collaboration has created framework for easily coding...
The extension of the pump-probe approach known from UV/VIS spectroscopy to very short wavelengths together with advanced simulation techniques allows a detailed analysis excited-state dynamics in organic molecules or biomolecular structures on nanosecond femtosecond time level. Optical pump soft X-ray probe is relatively new detect and characterize optically dark states molecules, exciton transient ligand-to-metal charge transfer states. In this paper, we describe two experimental setups for...
Abstract We present a hybrid imaging/timing detector for force sensitive inertial measurements designed on positronium, the metastable bound state of an electron and positron, but also suitable applications involving other low intensity, energy beams neutral (antimatter)-atoms, such as antihydrogen. The performance prototype was evaluated with tunable positron beam, resulting in spatial resolution <?CDATA ${\approx}$?> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"...
The AEgIS experiment located at the Antiproton Decelerator CERN aims to measure gravitational fall of a cold antihydrogen pulsed beam. precise observation antiatoms in Earth field requires controlled production and manipulation antihydrogen. neutral antimatter is obtained via charge exchange reaction between plasma antiprotons from ELENA decelerator pulse Rydberg positronium atoms. current custom electronics designed operate 5 1 T Penning traps are going be replaced by control system based...
In this work we present a hybrid detection method providing simultaneous imaging and timing information suitable for fully monitoring positronium (Ps) formation, its laser excitation, spatial propagation the first trials of pulsed antihydrogen ( H) production through charge-exchange reaction with trapped antiprotons (p).This combined method, based on synchronous acquisition an EJ-200 scintillation detector microchannel plate (MCP) dual readout (phosphor screen image electrical pick-up...
The primary goal of the AEgIS experiment is to precisely measure free fall antihydrogen within Earth's gravitational field. To this end, a cold ~50K beam has pass through two grids forming moir\'e deflectometer before annihilating onto position-sensitive detector, which shall determine vertical position annihilation vertex relative with micrometric accuracy. Here we introduce vertexing detector based on modified mobile camera sensor and experimentally demonstrate that it can antiproton...
We present a project aiming at evaluating novel hybrid imaging/timing detector concept comprising photocathode, chevron-stack micro-channel plate, and TimePix3 readout ASIC for the detection of visible photons with high time resolution good quantum efficiency spatial resolution. Due to these attributes, this holds significant promise time-domain astronomy. The evaluation data collection will primarily occur OARPAF observatory (80cm primary mirror) objective pioneering technology in...
The AEg̅IS collaboration at CERN’s AD produces antihydrogen atoms in the form of a pulsed, isotropic source with precisely defined formation time. has recently undergone major upgrades to fully benefit from increased number colder antiprotons provided by new ELENA decelerator and move toward forming horizontal beam directly investigate influence gravity on H̅ atoms, thereby probing Weak Equivalence Principle for antimatter. This contribution gives an overview these as well subsequent results...
We report on laser cooling of a large fraction positronium (Ps) in free-flight by strongly saturating the $1^3S$-$2^3P$ transition with broadband, long-pulsed 243 nm alexandrite laser. The ground state Ps cloud is produced magnetic and electric field-free environment. observe two different laser-induced effects. first effect an increase number atoms after time has spent long-lived $3^3P$ states. second one-dimensional Doppler Ps, reducing cloud's temperature from 380(20) K to 170(20) K....
In the last twenty years, both free fall and interferometry/deflectometry experiments have been proposed for measurement of gravitational acceleration on positronium, which is a purely leptonic matterantimatter atom formed by an electron its antiparticle (positron).Among several challenges posed these development position-sensitive detectors to measure deflection positronium in Earth's field.In this work, we describe our recent progress detectors.Two different detection schemes are...