F. Drielsma
A5089790260- Neutrino Physics Research
- Particle physics theoretical and experimental studies
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Muon and positron interactions and applications
- Particle Detector Development and Performance
- Radiation Detection and Scintillator Technologies
- Particle accelerators and beam dynamics
- Atomic and Subatomic Physics Research
- High-Energy Particle Collisions Research
- Nuclear Physics and Applications
- Superconducting Materials and Applications
- Particle Accelerators and Free-Electron Lasers
- Image and Object Detection Techniques
- Fractal and DNA sequence analysis
- Algorithms and Data Compression
- Electromagnetic Compatibility and Measurements
- Medical Imaging Techniques and Applications
- Electrostatic Discharge in Electronics
- Advanced Neural Network Applications
SLAC National Accelerator Laboratory
2020-2024
University of Geneva
2015-2022
Stanford University
2020-2021
Ulsan National Institute of Science and Technology
2019
Uppsala University
2018
The ICARUS collaboration employed the 760-ton T600 detector in a successful 3-year physics run at underground LNGS laboratory, performing sensitive search for LSND-like anomalous νe appearance CERN Neutrino to Gran Sasso beam, which contributed constraints on allowed neutrino oscillation parameters narrow region around 1 eV2. After significant overhaul CERN, has been installed Fermilab. In 2020 cryogenic commissioning began with cool down, liquid argon filling and recirculation. then started...
The Muon Ionization Cooling Experiment (MICE) will perform a detailed study of ionization cooling to evaluate the feasibility technique. To carry out this program, MICE requires an efficient particle-identification (PID) system identify muons. Electron-Muon Ranger (EMR) is fully-active tracking-calorimeter that forms part PID and tags muons traverse channel without decaying. detector capable identifying electrons with efficiency 98.6%, providing purity for beam exceeds 99.8%. EMR also proved...
The international Muon Ionization Cooling Experiment (MICE) will perform a systematic investigation of ionization cooling with muon beams momentum between 140 and 240\,MeV/c at the Rutherford Appleton Laboratory ISIS facility. measurement in MICE relies on selection pure sample muons that traverse experiment. To make this selection, Beam is designed to deliver beam less than $\sim$1\% contamination. final employs particle-identification (PID) system upstream downstream cell. PID includes...
The Electron-Muon Ranger (EMR) is a fully-active tracking-calorimeter installed in the beam line of Muon Ionization Cooling Experiment (MICE). experiment will demonstrate ionization cooling, an essential technology needed for realization Neutrino Factory and/or Collider. EMR designed to measure properties low energy beams composed muons, electrons and pions, perform identification particle-by-particle. detector consists 48 orthogonal layers 59 triangular scintillator bars. readout...
Liquid Argon Time Projection Chambers are used as precision detectors in ongoing and upcoming neutrino experiments. In this paper the authors adapt machine learning techniques to better identify beginning- end-points of particle tracks LarTPCs, offering significant improvement over traditional methods reconstructing true event.
We develop a novel Time Projection Chamber (TPC) concept suitable for deployment in kilotonne-scale detectors, with charge-readout system free from reconstruction ambiguities, and robust TPC design that reduces high-voltage risks while increasing the coverage of light-collection maximizing active volume. This could be used as far detector module Deep Underground Neutrino Experiment (DUNE). For system, we charge-collection pixels associated application-specific integrated circuits currently...
High-brightness muon beams of energy comparable to those produced by state-of-the-art electron, proton and ion accelerators have yet be realised. Such the potential carry search for new phenomena in lepton-antilepton collisions extremely high also provide uniquely well-characterised neutrino beams. A beam may created through decay pions interaction a with target. To produce high-brightness from such source requires that phase space volume occupied muons reduced (cooled). Ionization cooling...
The Muon Ionization Cooling Experiment (MICE) collaboration seeks to demonstrate the feasibility of ionization cooling, technique by which it is proposed cool muon beam at a future neutrino factory or collider. emittance measured from an ensemble muons assembled those that pass through experiment. A pure selected using particle-identification system can reject efficiently both pions and electrons. position momentum each are high-precision scintillating-fibre tracker in 4 T solenoidal...
Liquid Argon Time Projection Chambers (LArTPCs) are high resolution particle imaging detectors, employed by accelerator-based neutrino oscillation experiments for precision physics measurements. While images of trajectories intuitive to analyze physicists, the development a quality, automated data reconstruction chain remains challenging. One most critical steps is clustering: task grouping 3D image pixels into different instances that share same type. In this paper, we propose first...
The Muon Ionization Cooling Experiment (MICE) collaboration has developed the MICE Analysis User Software (MAUS) to simulate and analyze experimental data. It serves as primary codebase for experiment, providing offline batch simulation reconstruction well online data quality checks. software provides both traditional particle-physics functionalities such track particle identification, accelerator physics functions, calculating transfer matrices emittances. code design is object orientated,...
Recent inroads in Computer Vision (CV) and Machine Learning (ML) have motivated a new approach to the analysis of particle imaging detector data. Unlike previous efforts which tackled isolated CV tasks, this paper introduces an end-to-end, ML-based data reconstruction chain for Liquid Argon Time Projection Chambers (LArTPCs), state-of-the-art precision at intensity frontier neutrino physics. The is multi-task network cascade combines voxel-level feature extraction using Sparse Convolutional...
Liquid argon time projection chambers (LArTPCs) are a class of detectors that produce high resolution images charged particles within their sensitive volume. In these images, the clustering distinct into superstructures is central importance to current and future neutrino physics program. Electromagnetic (EM) activity typically exhibits spatially detached fragments varying morphology orientation challenging efficiently assemble using traditional algorithms. Similarly, removed from each other...
Muon beams of low emittance provide the basis for intense, well-characterised neutrino necessary to elucidate physics flavour at a factory and lepton-antilepton collisions energies up several TeV muon collider. The international Ionization Cooling Experiment (MICE) aims demonstrate ionization cooling, technique by which it is proposed reduce phase-space volume occupied beam such facilities. In an ionization-cooling channel, passes through material in loses energy. energy lost then replaced...
Muon beams of low emittance provide the basis for intense, well-characterised neutrino a factory and multi-TeV lepton-antilepton collisions at muon collider. The international Ionization Cooling Experiment (MICE) has demonstrated principle ionization cooling, technique by which it is proposed to reduce phase-space volume occupied beam such facilities. This paper documents performance detectors used in MICE measure muon-beam parameters, physical properties liquid hydrogen energy absorber...
The Muon Ionization Cooling Experiment (MICE) collaboration will demonstrate the feasibility of ionization cooling, technique by which it is proposed to cool muon beam at a future neutrino factory or collider. position and momentum reconstruction individual muons in MICE trackers allows for development alternative figures merit addition emittance. Contraction phase space volume occupied fraction sample, equivalently increase density its core, an unequivocal cooling signature. Single-particle...
Liquid Argon Time Projection Chambers (LArTPCs) are a class of detectors that produce high resolution images charged particles within their sensitive volume. In these images, the clustering distinct into superstructures is central importance to current and future neutrino physics program. Electromagnetic (EM) activity typically exhibits spatially detached fragments varying morphology orientation challenging efficiently assemble using traditional algorithms. Similarly, removed from each other...
The Electron-Muon Ranger (EMR) is a fully-active tracking-calorimeter in charge of the electron background rejection downstream cooling channel at international Muon Ionization Cooling Experiment. It consists 2832 plastic scintillator bars segmented 48 planes an X-Y arrangement and uses particle range as its main variable to tag muons discriminate electrons. An array analyses were conducted characterize hardware EMR determine whether detector performs specifications. clear fibres coming from...
The Muon Ionization Cooling Experiment (MICE) will perform a detailed study of ionization cooling to evaluate the feasibility technique. To carry out this program, MICE requires all its detectors reconstruct space points in globally consistent fashion. beam-based alignment constants were found be more accurate than survey for scintillating-fibre trackers lodged inside bores superconducting magnets. This algorithm can achieve unbiased measurements rotation angles with resolution 6...
We develop a novel approach for Time Projection Chamber (TPC) concept suitable deployment in kilotonne scale detectors, with charge-readout system free from reconstruction ambiguities, and robust TPC design that reduces high-voltage risks while increasing the coverage of light collection system. This could be deployed as Far Detector module Deep Underground Neutrino Experiment (DUNE) neutrino-oscillation experiment. For system, we use charge-collection pixels associated application-specific...