A5054415114- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Radiation Detection and Scintillator Technologies
- Medical Imaging Techniques and Applications
- Astrophysics and Cosmic Phenomena
- Atomic and Subatomic Physics Research
- Black Holes and Theoretical Physics
- Nuclear Physics and Applications
- Distributed and Parallel Computing Systems
- Big Data Technologies and Applications
- Nuclear physics research studies
- Gamma-ray bursts and supernovae
- Nuclear reactor physics and engineering
- Stochastic processes and financial applications
- Optical properties and cooling technologies in crystalline materials
- Noncommutative and Quantum Gravity Theories
- Particle Accelerators and Free-Electron Lasers
- Laser-Plasma Interactions and Diagnostics
- advanced mathematical theories
LIP - Laboratory of Instrumentation and Experimental Particle Physics
2014-2025
Institute of High Energy Physics
2020-2024
A. Alikhanyan National Laboratory
2022-2024
University of Antwerp
2024
European Organization for Nuclear Research
2021-2023
Joint Institute for Nuclear Research
2023
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
2022
Aarhus University Hospital
2016
Amirkabir University of Technology
2016
A new method for obtaining depth of interaction (DOI) information in PET detectors is presented this study, based on sharing and redirection scintillation light among multiple detectors, together with attenuation over the length crystals. The aim to obtain continuous DOI encoding single side readout, at same time without need one-to-one coupling between scintillators allowing development a scanner good spatial, energy timing resolutions while keeping complexity system low. prototype module...
We present the experimental characterization of TOFPET2, a readout and digitization ASIC for radiation detectors using Silicon Photomultipliers. The circuit is designed in CMOS 110 nm technology, has 64 independent channels optimized time-of-flight measurement PET or other applications. chip quad-buffered TDCs charge integration QDCs each channel. Coincidence Time Resolution (CTR) 511 keV photon pairs from 22Na point source measured with 2 × 3 mm3 LSO:Ce crystals co-doped 0.2% Ca 118 119 ps...
Abstract The CMS detector will be upgraded for the HL-LHC to include a MIP Timing Detector (MTD). MTD consist of barrel and endcap timing layers, BTL ETL respectively, providing precision charged particles. sensors are based on LYSO:Ce scintillation crystals coupled SiPMs with TOFHIR2 ASICs front-end readout. A resolution 30–60 ps signals at rate 2.5 Mhit/s per channel is expected along lifetime. We present an overview requirements design, simulation results measurements ASICs. associated...
The CMS Detector will be upgraded for the HL-LHC to include a MIP Timing (MTD). MTD consist of barrel and endcap timing layers, BTL ETL respectively, providing precision charged particles. sensors are based on LYSO:Ce scintillation crystals coupled SiPMs with TOFHIR2 ASICs front-end readout. A resolution 30–40 ps signals at rate 2.5 Mhit/s per channel is expected beginning operation. We present an overview requirements design, simulation results first measurements TOFHIR2A silicon samples.
We have developed a highly integrated, fast and compact readout electronics for Silicon Photomultiplier (SiPM) based Time of Flight Positron Emission Tomography (TOF-PET) scanners. The is on the use TOP-PET Application Specific Integrated Circuit (PETsys TOFPET1 ASIC) with 64 channels, each its amplifier, discriminator, to Digital Converter (TDC) amplitude determination using Over Threshold (TOT). ASIC has 25 ps r.m.s. intrinsic time resolution fully digital output. system optimised high...
The CMS Detector will be upgraded for the High-Luminosity LHC to include a MIP Timing (MTD). MTD consist of barrel and endcap timing layers, BTL ETL, respectively, providing precision charged particles. sensors are based on LYSO:Ce scintillating crystals coupled SiPMs that read out by TOFHIR2 ASICs in front-end system. A resolution 30 ps signals is expected at beginning HL-LHC operation degrading 60 end due radiation damage. Relative first version ASIC, TOFHIR2X implements improved circuitry...
The next generation of organ specific Positron Emission Tomography (PET) scanners, e.g. for breast imaging, will use partial ring geometries. We propose a component-based Maximum-Likelihood (ML) estimation normalisation factors 3D PET data reconstruction applicable to This method is based on the Software Tomographic Image Reconstruction (STIR) full and validated stationary scanner. model includes crystal efficiencies geometric factors. algorithm using Maximum Likelihood Estimation Method...
Positron Emission Tomography (PET) scanners require high performances in term of spatial resolution and sensitivity to allow early detection cancer masses. In small animal organ dedicated PET the Depth Interaction (DOI) information has be obtained avoid parallax errors reconstruct images. whole body PET, DOI can useful correct for time jitter optical photons along main axis scintillator, improving performances. this work we present development module designed reach performance as compared...
The CMS detector will be upgraded for the HL-LHC to include a MIP Timing Detector (MTD). MTD consist of barrel and endcap timing layers, BTL ETL respectively, providing precision charged particles. sensors are based on LYSO:Ce scintillation crystals coupled SiPMs with TOFHIR2 ASICs front-end readout. A resolution 30-60 ps signals at rate 2.5 Mhit/s per channel is expected along lifetime. We present an overview requirements design, simulation results measurements ASICs. associated sensor...
A compact Detector Module for Time-Of-Flight PET integrating 128 gamma-ray detection pixels of 3.5×3.5×15 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> LYSO crystals associated to MPPC photosensors has been developed in the framework EndoTOFPET-US collaboration. The module two 64-channel readout ASICs signal conditioning and discrimination circuitry high-performance TDCs each channel, featuring 25 ps r.m.s intrinsic resolution fully...
In this paper we present an analog circuit for the new MIP Timing Detector of CMS experiment at CERN, featuring, first time, a silicon implementation Differential Leading Edge Discriminating technique to suppress SiPM dark noise. This also stabilizes baseline, leading time resolution 25 ps beginning life and 55 end while dissipating less than 4 mW. The full front-end ASIC has 32 channels been designed in CMOS 130 nm technology with total die area 8.5 x 5.2 mm2. radiation tolerance design...
The propagation time of the photons inside scintillators, to a large degree, is responsible for degradation Coincidence Timing Resolution (CTR) in PET scanners. This effect liming factor reach timing resolution suitable Time-of-Flight (TOF) applications. We have developed single sided readout detector module with Depth Interaction (DOI) capability where DOI information used correct this timing. composed an array 4 × pixelated LYSO crystal pixel size 3 20 mm <sup...
Pixelated PET systems produce higher count rates as they integrate several detecting channels per detector module. An increased data flow from the detectors posses needs on bandwidth requirements. We aim to optimize usage efficiency by filtering fly detected events with non valid energies. a SiPM-ASIC readout scheme are being extensively used get enhanced images Time-Of-Flight scanners. These kind of digital specially interesting for application on-line processing techniques given ease...