A5007566006- Particle Detector Development and Performance
- Particle physics theoretical and experimental studies
- Radiation Detection and Scintillator Technologies
- High-Energy Particle Collisions Research
- Distributed and Parallel Computing Systems
- Dark Matter and Cosmic Phenomena
- Advanced Data Storage Technologies
- Atomic and Subatomic Physics Research
- Astrophysics and Cosmic Phenomena
- Particle Accelerators and Free-Electron Lasers
- Distributed systems and fault tolerance
- Quantum Chromodynamics and Particle Interactions
- CCD and CMOS Imaging Sensors
- Neutrino Physics Research
- Interconnection Networks and Systems
- Superconducting Materials and Applications
- Plasma Diagnostics and Applications
- Parallel Computing and Optimization Techniques
- Muon and positron interactions and applications
- Embedded Systems Design Techniques
- Software-Defined Networks and 5G
- Nuclear Physics and Applications
- Medical Imaging Techniques and Applications
- VLSI and Analog Circuit Testing
- Radiation Effects in Electronics
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2015-2024
Université Paris-Saclay
2007-2024
Institut de Recherche sur les Lois Fondamentales de l'Univers
2015-2024
CEA Paris-Saclay
2015-2024
CEA Grenoble
2024
CEA Cadarache
2024
SLAC National Accelerator Laboratory
2022
Fairfield University
2020
Département d'Informatique
2016
Austrian Academy of Sciences
2012
Khufu's Pyramid is one of the largest archaeological monument all over world, which still holds many mysteries. In 2016 and 2017, ScanPyramids team reported on several discoveries previously unknown voids by cosmic-ray muon radiography that a non-destructive technique ideal for investigation large-scale structures. Among these discoveries, corridor-shaped structure has been observed behind so-called Chevron zone North face, with length at least 5 meters. A dedicated study this was thus...
The SALSA chip is a future readout ASIC foreseen for the MPGD detectors, developed in framework of EIC collider project, to equip trackers EPIC experiment. It designed be versatile, order adapted other usages like TPC, or photon detectors. integrates frontend block and an ADC each 64 channels, associated configurable digital DSP processor meant correct data reduce raw flux, limit output bandwidth. will compatible with continuous DAQ, but also able work triggered environment. Several...
R&D efforts are ongoing to develop the Cylindrical Micromegas Barrel Layer (CyMBaL) for central region of ePIC detector, first experiment at future Electron Ion Collider (EIC). The detectors will be part a multi-technology tracker located inside 1.7 T solenoid, bringing stringent limits on space. Constraints momentum reconstruction performances also impose low-material budget in order not degrade measurements placed behind. As such, light resistive equipped with 2D readout is needed. goal...
The inspection of very large or thick structures represents one the biggest challenges for nondestructive techniques. For such objects, a particularly powerful technique is muography, which makes use free, natural cosmic-ray muons. Among other applications, this has been applied to provide two-dimensional (2D) images nuclear reactors, pyramids, volcanos. Recently, 3D algorithms developed medical applications were adapted special case muon imaging derive density maps. main difficulties relate...
The ASACUSA Micromegas Tracker (AMT; ASACUSA: Atomic Spectroscopy and Collisions Using Slow Antiprotons) was designed to be able reconstruct antiproton-nucleon annihilation vertices in three dimensions. goal of this device is study antihydrogen formation processes the cusp trap, which synthesise a spin-polarised beam for precise tests Charge, Parity, Time (CPT) symmetry invariance. This paper discusses structure technical details an AMT detector built into such environment, its data...
For an efficient data taking, the Electromagnetic Calorimeter of CMS experiment must be limited to 10% full event size (1MB). Other requirements limit average 2kB per acquisition link. These conditions imply a reduction factor close twenty on collected. The filtering in readout detector is discussed. Test beam are used study digital applied channels and simulation allows estimate energy thresholds achieve desired suppression factor.
In this paper, the architecture of Clas12 Micromegas vertex tracker readout is described and details its implementation are given. The innovations allowing to meet challenging requirements operation presented. system performance evaluated based on detector tests with a cosmic rays trigger standalone high rate validation tests. Finally, perspectives adapt or part it other experiments discussed.
Asynchronous transfer mode (ATM) packet-switching network technology is proposed as the interconnect for building high-performance, scalable data acquisition architectures. This paper introduces relevant characteristics of ATM and describes components construction an ATM-based event builder: (1) a multi-path, self-routing, switching fabric, (2) experimental high performance workstation ATM-interface, (3) VMEbus ATM-interface. The requirement traffic shaping in event-builders discussed...
We have developed highly interleaved zigzag-shaped electrodes for collecting charge on the readout plane of various micropattern gaseous detectors (MPGDs), including gas electron multiplier (GEM) and micromega detectors. An optimized zigzag pad (or strip) anode can greatly enhance sharing among neighboring pads compared to traditional straight strip or rectangular designs as a result deliver excellent position resolution with minimal channel count, while exhibiting virtually uniform response...
Among other detectors, the T2K neutrino experiment comprises three large time projection chambers segmented into over 124.000 electronics channels. The back-end system is designed to distribute a reference clock front-end electronics, aggregate event data seventy-two 2 Gbit/s optical links and format events that are sent via standard PC global acquisition of experiment. core this set 18 Data Concentrator Cards based on an inexpensive commercial Field Programmable Gate Array evaluation kit...
This paper describes the selective read-out processor (SRP) proposed for electromagnetic calorimeter (ECAL) of Compact Muon Solenoid (CMS) experiment at LHC (CERN). The aim is to reduce raw ECAL data a level acceptable by CMS acquisition (DAQ) system. For each positive 1 trigger, SRP guided trigger primitive generation electronics identify regions with energy deposition satisfying certain programmable criteria. It then directs apply predefined zero suppression levels crystal data, depending...
In this paper, we describe our experience in designing real-time hardware/software systems for data acquisition and analysis applications particle physics, which are based on a system-on-chip (SoC) approach. Modern field-programmable gate array (FPGA) devices with embedded reduced instruction set computing (RISC) processor cores, high-speed low voltage differential signaling (LVDS) links ready-to-use multigigabit transceivers allow development of compact substantial number input-output (IO)...
Due to their simplicity and versatility of design, straight strip or rectangular pad anode structures are frequently used with micropattern gas detectors (MPGDs) reconstruct high-precision space points for various tracking applications. The particle impact point is typically determined by interpolating the charge collected several neighboring strips. However, effectively extract inherent positional information, lateral spacing strips must be comparable preferably smaller than full extent...
The steadily increasing luminosity of the LHC requires an upgrade with high-rate and high-resolution detector technology for inner end cap ATLAS muon spectrometer: New Small Wheels (NSW). In order to achieve goal precision tracking at a hit rate about 15 kHz/cm$^2$ radius NSW, large area Micromegas quadruplets 100\,\microns spatial resolution per plane have been produced. % IRFU, from CEA research center Saclay, is responsible production validation LM1 modules. construction, production,...
Transmission muography is a non-invasive and non-destructive imaging method which allows to estimate the integrated density of volume in given direction (also referred as opacity). It relies on reconstruction muons tracks that crossed studied compared corresponding open sky expectation. The experimental setup developed at CEA Irfu consists portable muon telescopes. Each these instruments has four Micromegas gaseous detectors, power acquisition electronics, an embedded computer connected...
This paper proposes and evaluates an architecture for a low-power Time-to-Digital Converter (TDC) with high resolution, optimized high-rate operation (40MSa/channel), integration analog front-end in multichannel readout chips 130 nm CMOS technology. The converter is based on three-step architecture. first step uses counter the following ones are two types of Delay-Line (DL) structures. A programmable Time Amplifier (TA) used between second third steps to reach final resolution 24.4 ps...