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High flux X-ray imaging detectors with spectroscopy capabilities are of particular interest for security and non-destructive testing applications. Multix S.A. has developed a linear array spectrometric detector, known as the ME100, able to provide a fully resolved energy spectrum over 128 energy bins, in real time and under high photon flux. Primary in this paper we present the ME100 detector performances...
It is advantageous to combine information about geometry and inner structure of historical artefacts with information about element composition of the decorative layers, typically covering historical wooden sculptures. X-ray computed tomography describing artifact structure is quite common and easy. Standard X-ray fluorescence (XRF) analysis of decorative layers is typically done for several selected...
The Associated Particle Technique can be used to detect Special Nuclear Materials in cargo containers. A DT neutron generator, based on the 3H(2H,n)α fusion reaction, produces 14 MeV neutrons which are tagged both in direction and time with an embedded alpha detector. Prompt neutrons and gamma rays emitted during neutron-induced fissions are detected by plastic scintillators, in coincidence with the...
Faster alternatives to a full, GEANT4-based simulation are being pursued within LHCb experiment. In this context the integration of the Delphes toolkit in the LHCb simulation framework is intended to provide a fully parameterized option. Delphes is a modular software designed to perform fast simulations by propagating stable particles using a parametric approach and providing reconstructed physical...
We report on the use of single-crystal chemical vapour deposition (scCVD) diamond X-ray beam diagnostics at Diamond Light Source Ltd (DLS) for beamline commissioning and day-to-day beamline operation. It is demonstrated that such detectors can offer synchrotron beamlines a measurement of the X-ray beam position with resolutions of a few 10nm at kHz bandwidths. It is straightforward to extract extremely...
The KM3NeT Collaboration has started the construction of a large volume neutrino telescope that will be deployed at about 100 km off the Sicily coast. The forthcoming installation includes 24 Strings, equipped with multi-PMT optical modules, and 8 Towers, carrying single-PMT optical modules. The KM3NeT Tower design is based on the NEMO Phase-2 prototype Tower, deployed in 2013. Exploiting the experience...
Materials and devices employed at the large CERN High Energy Physics (HEP) experiments and accelerators need to be first evaluated for their tolerance to radiation damage. IRRAD is one of the facilities used for this purpose at CERN. In IRRAD, samples are exposed to a Gaussian 12×12mm2-wide high-energy proton beam (24GeV/c) to given fluence levels. Custom-made Beam Profile Monitor (BPM) detectors...
New imaging stations aim for high spatial and temporal resolution and are characterized by ever increasing sampling rates and demanding data processing workflows. Key to successful imaging experiments is to open up high-performance computing resources. This includes carefully selected components for computing hardware and development of advanced imaging algorithms optimized for efficient use of parallel...
In HEP tracking trigger applications, flagging an individual detector hit is not important. Rather, the path of a charged particle through many detector layers is what must be found. Moreover, given the increased luminosity projected for future LHC experiments, this type of track finding will be required within the Level 1 Trigger system. This means that future LHC experiments require not just a chip...
We report an investigation of data analysis methods derived from other disciplines, which we applied to physics software systems. They concern the analysis of inequality, trend analysis and the analysis of diversity. The analysis of inequality exploits statistical methods originating from econometrics; trend analysis is typical of economics and environmental sciences; the analysis of diversity is...
Triroc is a highly configurable SiPM readout ASIC intended for PET prototyping with time-of-flight capability. This 64-channel ASIC incorporates a dual triggering system that will flag the arrival photons and provides energy cut-off at a specified level. Time and charge measurements are performed internally by 40ps-bin TDC and 10-bit ADC. The analog design of this ASIC has been optimized for accepting...
Microchannel plate (MCP) imaging electron multipliers are now being manufactured using borosilicate microcapillary array substrates functionalized by the application of resistive and secondary emissive layers using atomic layer deposition (ALD) techniques. Unlike traditional MCP manufacturing, the substrate and the active layers are independent allowing custom nanofabrication and optimization of parameters...
The ARAGORN front-end offers high-performance readout capabilities for state-of-the-art high-energy physics experiments. The design constraints aim to develop a cost-efficient Time-to-Digital Converter (TDC) platform with considerable channel density at smallest form factor possible. Four Xilinx Artix-7 FPGAs implement 384 input channels on a single front-end board with an average time resolution...
The Silicon photomultiplier (SiPM) becomes a choice of photon sensors for advanced radiation detector development. However, reading out large-scale SiPM arrays is still a fundamental technical obstacle. We present a new method (named π-PET electronics) to address this issue. Very different from conventional front-end electronics design, the key innovation of the new electronics is to include almost...
SPACIROC (Spatial Photomultiplier Array Counting and Integrating ReadOut Chip) is the front-end ASIC designed for the space-borne fluorescent telescope JEM-EUSO (Extreme Universe Space Observatory onboard Japanese Experiment Module). This ASIC is dedicated to readout 64-channel Multi-Anode Photo-Multiplier Tube (MAPMT). The two main features are the photon counting for each input and the charge conversion...
This paper summarizes the results of a three year long project concerning the validation of Geant4-based simulation of electron backscattering. Accurate simulation of backscattering is of great importance in many experimental scenarios from calorimetry to medical dosimetry, as it affects the pattern of energy deposition in detectors or other kinds of sensitive volumes. All Geant4 multiple and single...
The reflectivity and thickness of optical reflector used in scintillator array influence the performance of PET detector module. In this paper, we designed an ultra-thin multilayer high-reflectivity (HR) film and coated it on the surfaces of ultra-precision polished LYSO scintillators. The HR film consists of three quarter wavelength reflective films with the central wavelengths set at 365nm, 430nm...
In previous projects funded by the DOE, Proportional Technologies, Inc. developed the basic design of a neutron imaging detector, based on the boron-coated straw technology, aimed to replace 3He tubes in large-scale neutron science instruments. Recent efforts have focused on automated production methods, including a critical 10B4C high volume sputter coating system, and automated in-line straw tube...
ACTIVE-INTERROGATION (AI) systems automatically determine if special nuclear material (SNM) is present in an object (e.g., an intermodal cargo container) by observing the radiation emitted by the object when it has been exposed to an external radiation source. Active interrogation systems range from those that only indicate the presence of high-Z materials, to fissionable material detection, to those...
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