A5084692066- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Radiation Detection and Scintillator Technologies
- Nuclear Physics and Applications
- Magnetic confinement fusion research
- Computational Physics and Python Applications
- Neutrino Physics Research
- Advanced Data Storage Technologies
- Particle Accelerators and Free-Electron Lasers
- Magnetic Field Sensors Techniques
- CCD and CMOS Imaging Sensors
- Distributed and Parallel Computing Systems
- Dark Matter and Cosmic Phenomena
- Plasma Diagnostics and Applications
- Photoreceptor and optogenetics research
- Parallel Computing and Optimization Techniques
- Fusion materials and technologies
- Superconducting Materials and Applications
- Medical Imaging Techniques and Applications
- X-ray Spectroscopy and Fluorescence Analysis
- Black Holes and Theoretical Physics
- Radiation Effects in Electronics
- Light effects on plants
European Organization for Nuclear Research
2019-2024
Rice University
2023-2024
École Polytechnique Fédérale de Lausanne
2023
Warsaw University of Technology
2015-2022
Institute of Nuclear Physics, Polish Academy of Sciences
2022
CEA Cadarache
2020
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2020
Institute of Plasma Physics and Laser Microfusion
2020
Center for Theoretical Physics
2017
Silesian University of Technology
2013
Abstract For the Phase-2 upgrade of CMS experiment, central DAQ group designed and developed two custom ATCA boards. These boards provide interfaces between sub-detector electronics systems. This paper describes our experience with chosen prototyping strategy, a focus on design modification choices made along way. It concludes brief overview recent firmware developments, look at transition towards full board production.
The measurement system based on GEM—Gas Electron Multiplier detector is developed for X-ray diagnostics of magnetic confinement tokamak plasmas. paper focused the subject and describes fundamental data processing to obtain reliable characteristics (histograms) useful physicists. required have two steps: 1—processing in time domain, i.e. events selections bunches coinciding clusters, 2—processing planar space cluster identification given structure. So, it software part project between...
The presented work is related to the Gas Electron Multiplier (GEM) detector soft X-ray spectroscopy system for tokamak applications. used GEM has one-dimensional, 128 channel readout structure. channels are connected radiation-hard electronics with configurable analog stage and fast ADCs, supporting speeds of 125 MSPS each channel. digitalized data sent directly FPGAs using serial links. preprocessing algorithms implemented in FPGAs, buffering made on-board 2Gb DDR3 memory chips. After...
A Gaseous Electron Multiplier (GEM)-based detector is being developed for soft X-ray diagnostics on tokamaks. Its main goal to facilitate transport studies of impurities like tungsten. Such are very relevant ITER, where the excessive accumulation in plasma core should be avoided. This contribution provides details preliminary tests at ASDEX Upgrade (AUG) with a focus most important aspects operation harsh radiation environment. It was shown that both spatially and spectrally resolved data...
The Triple Gas Electron Multiplier (T-GEM) is presented as soft X-ray (SXR) energy and position sensitive detector for high-resolution diagnostics of magnetic confinement fusion plasmas. Multi-channel measurement system serial data acquisition recognition described. Fundamental characteristics are two dimensional structure. Typical signals ADC – Analog to Digital Converter considered charge value estimation. Coinciding high flux radiation cause the problem cluster identification. amplifier...
This work refers to the soft X-Ray (SXR) plasma diagnostics system being developed. The goal is compute SXR spectra − energetically and topologically with means of Gas Electron Multiplier (GEM) detector. has two sections: analog signal acquisition part (installed at GEM detector), processing (located in rack). PCI-Express Gen2 interface DDR3 memory are used for data transmission, storage buffering. Xilinx Artix7 FPGAs perform functions. One module (DQM) capable up 64 input channels...
The measurement system based on gas electron multiplier detector is developed for soft X-ray diagnostics of tokamak plasmas. multi-channel setup designed estimation the energy and position distribution an source. focal measuring issue charge cluster identification by its value estimation. fast accurate mode serial data acquisition applied dynamic plasma diagnostics. clusters are counted in space determined 2D position, value, time intervals. Radiation source characteristics presented...
The GEM based detecting system is currently being developed for poloidal tomography to be used at WEST project tokamak. It consists of two detectors planar and cylindrical geometry the vertical horizontal ports, respectively. Several laboratory tests were conducted assess performance prototype verify proposed design. For that, measurements with 55Fe source X-ray generator performed. detector's behavior was tested gas mixtures: Ar/CO2 Ar/CO2/CF4 detector amplification dependencies on high...
This paper presents the results of energy resolution simulation for triple GEM-based detector x-ray quantum 5.9 keV . Photons this are emitted by 55Fe source, which is a standard calibration marker type detectors. The calculations were made in Garfield++ two stages. In first stage, distribution amount primary electrons generated drift volume was simulated using Heed program. Secondly, resulting quantitative treated as source electron avalanches propagated through whole detector. obtained...
Abstract Soft X-ray (SXR) radiation emitted from tokamak plasmas contains very useful information about plasma stability, shape and impurity content, all key parameters to improve performance. In the deuterium-tritium phase of ITER, high neutron fluxes, gamma hard emission will constitute too harsh an environment permit use classical semiconductor detectors. New SXR detector technologies, more robust such environments, should thus be investigated. First GEM (Gas Electron Multiplier)...
This article proposes new method of storing data and transferring it to PC in the X-ray GEM detector system. The whole process is performed by FPGA chips (Spartan-6 series from Xilinx). Comparing previous methods, approach allows store much more New, improved implementation communication algorithm significantly increases transfer rate between system PC. In merged processed MATLAB. structure firmware implemented FPGAs described.
This article is an assessment of potential parallelization histogramming algorithms in GEM detector system. Histogramming and preprocessing MATLAB were analyzed with regard to adding parallelism. Preliminary implementation parallel strip resulted speedup. Analysis parallelizability presented. Overview hardware software support implement algorithm discussed.
An increased attention to tungsten material is related a fact that it became main candidate for the plasma facing in ITER and future fusion reactor. The proposed work refers studies of W influence on performances by developing new detectors based Gas Electron Multiplier GEM) technology tomographic transport ITER-oriented tokamaks, e.g. WEST project. It presents current stage design cylindrically bent SXR GEM detector construction horizontal port implementation. Concept overcome an...
Soft X-ray (SXR) measurement systems working in tokamaks or with laser generated plasma can expect high photon fluxes. Therefore it is necessary to focus on data processing algorithms have the best possible efficiency term of processed events per second. This paper refers recently designed algorithm and data-flow for implementation charge acquisition FPGA. The are currently stage soft diagnostics system. In this despite also described general firmware overview, storage methods other key...
This article concerns optimization methods for data analysis the X-ray GEM detector system. The offline of collected samples was optimized MATLAB computations. Compiled functions in C language were used with MEX library. Significant speedup received both ordering-preprocessing and histogramming samples. Utilized techniques obtained results are presented.
This paper presents the data acquisition system for GEM-detector (Sauli in Nucl Instrum Methods Phys Res Sect A Accel Spectrom Detect Assoc Equip 386(2–3): 531–534, 1997. https://doi.org/10.1016/S0168-9002(96)01172-2 ) based cameras and spectrometers (Chernyshova et al. Fusion Eng Des, 2017. https://doi.org/10.1016/j.fusengdes.2017.03.107 ). The is modular (Czarski Rev Sci 87(11): 11E336, 2016. https://doi.org/10.1063/1.4961559 supports 1D 2D GEM arrays with software-defined readout modes....
The CMS data acquisition (DAQ) is implemented as a service-oriented architecture where DAQ applications, well general applications such monitoring and error reporting, are run self-contained services. task of deployment operation services achieved by using several heterogeneous facilities, custom configuration scripts in languages. In this work, we restructure the existing system into homogeneous, scalable cloud adopting uniform paradigm, all orchestrated environment with standardized...
The Compact Muon Solenoid (CMS) experiment at CERN incorporates one of the highest throughput data acquisition systems in world and is expected to increase its by more than a factor ten for High-Luminosity phase Large Hadron Collider (HL-LHC). To achieve this goal, system will be upgraded most components. Among them, event builder software, charge assembling all read out from different sub-detectors, planned modified single an orbit that assembles multiple events same time. increased current...
This article presents a novel software-defined server-based solutions that were introduced in the fast, real-time computation systems for soft X-ray diagnostics WEST (Tungsten Environment Steady-state Tokamak) reactor Cadarache, France. The objective of research was to provide fast processing data at high throughput and with low latencies investigating interplay between particle transport magnetohydrodynamic activity. long-term is implement future feedback signal control mechanisms sustain...
A measurement systems based on GEM (Gas Electron Multiplier) detectors is developed for X-ray diagnostics of tokamak plasmas. The multi-channel setup designed evaluation the source distribution in energy, space and time. paper deals with development a fast analysis elaboration collected data, including charge cluster identification separation coincided signals. proposed algorithm can be applied iteratively series superimposed pulses. On-line overlapped signals was implemented applying FPGA...
This contribution outlines the first preliminary acquisition data obtained by GEM diagnostics on WEST. It was designed to monitor radiation of impurities with a particular focus challenges elaborated plasma imaging technology in area SXR radiation. The details developed and results within commissioning phase at WEST Project are provided. is shown that both spatially spectrally resolved calibrated could be collected. A comparison other manifests good qualitative agreement. Currently, system...