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Matthieu Boone29/06/2026, 09:00Oral presentation
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Michael Campbell (CERN)29/06/2026, 09:20Invited presentation
In the early 1990’s scientists and engineers at CERN were taking the first steps in developing hybrid pixel detectors for use at the future Large Hadron Collider. As part of the quality control procedure for the bump bonding interconnect of those early devices, the detectors were exposed to X-rays. The devices had to be triggered electronically, the selected events read out, and the binary...
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Massimo Minuti (INFN Pisa)29/06/2026, 09:50Oral presentation
The Analog Spectral Imager for X-rays (ASIX) is a technology demonstrator for a 50 𝜇m pixel Hybrid Pixel Detector (HPD), with fully-analog single photon processing readout. ASIX aims at delivering simultaneous energy and spatial high resolution at the best achievable count rate.
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By combining fine-pitch (50𝜇m hexagonal) and an ultra-low noise (<30 𝑒− ENC) fully-analog pixel readout with a... -
Dr Paolo Lazzaroni (University of Bergamo & INFN Pavia)29/06/2026, 10:10Oral presentation
Modern storage ring light sources require new detector concepts to allow x-ray scientists to thoroughly exploit the higher brilliance and explore state-of-the-art beam modulations, such as continuous-wave operation. A broad range of collaborations is targeting the advances on the readout chain to enable fast readout with nearly zero dead-time [1], [2], [3]. In parallel, data acquisition...
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Jixing Ye29/06/2026, 11:00Oral presentation
Traditional medical imaging systems depend on X-ray absorption differences among tissues to distinguish them [1]. While effective at separating bones from other biological structures, they struggle to differentiate between different types of soft tissue (e.g., normal and tumor cells) [2]. The refractive properties of tissues, however, can induce X-ray phase shifts that are highly sensitive to...
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Dionisio Doering (SLAC National Accelerator Laboratory (US))29/06/2026, 11:20Oral presentation
The High Energy upgrade of the Linac Coherent Light Source II (LCLS-II-HE) at SLAC National Accelerator Laboratory will deliver X-ray pulses at repetition rates up to 1 MHz, placing stringent requirements on detector systems [1]. SLAC’s phased detector development roadmap [2] produces X-ray detectors based primarily on silicon sensors bump-bonded to custom readout ASICs. The ePixUHR ASIC,...
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Dr Viktoria Hinger (Paul Scherrer Institut)29/06/2026, 11:40
The JUNGFRAU chip was originally developed for applications in the hard and tender X-ray range at free-electron lasers (XFEL) and high-flux synchrotron sources. It employs a charge-integrating architecture with three dynamically switching gains to achieve the large dynamic range required in these environments. In its highest gain setting and at a 5 µs integration time, the current...
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Stefaan Vandenberghe29/06/2026, 14:00Invited presentation
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Victoria Schlör29/06/2026, 14:30
Ion therapy with protons or heavier particles like helium or carbon enables highly precise and conformal dose delivery within the target volume, especially in comparison to photon-based radiation therapy. However, this precision is associated with a higher treatment sensitivity to anatomical and positional changes of the patient [1]. To detect such changes, our group developed a monitoring...
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Felix Ulrich-Pur29/06/2026, 14:50
Recent advances in 4D tracking detectors have enabled time-of-flight ion computed tomography (TOF-iCT), an imaging modality designed to improve dose conformity and reduce range uncertainties in ion beam therapy. By measuring the particle path and TOF of therapeutic ions traversing the patient, TOF-iCT enables the reconstruction of a precise stopping power (SP) map. The accuracy of this map is...
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Mr Mattia Amadori (Politecnico di Milano - INFN Milano)29/06/2026, 15:10
The increasing complexity of modern nuclear imaging systems, in particular of Total-Body PET scanners, is mainly driven by the large number of readout channels. This results in significant power consumption, increased system complexity and scalability limitations. In conventional architectures, signals from arrays of photodetectors must be acquired, digitized, and processed, leading to a...
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Ioannis Kaissas (Nuclear Technology Laboratory, School of Electrical & Computer Engineering, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece)29/06/2026, 16:50
γ-cameras with coded apertures have been proved to be an efficient method to identify weak γ-radioactive sources in three-dimensional space, providing planar images with sufficient spatial resolution and signal-to-noise ratio [1]. In this work, we attempted a single-photon-emission computerized tomography with the filtered-back-projection method, exploiting planar images derived by a...
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Dr Pavel Zabrodin (Czech academy of sciences, Institute of theoretical and applied mechanics)29/06/2026, 17:05
During energy-dispersive X-ray diffraction, the sample is irradiated with a pencil beam generated by a standard polychromatic X-ray tube without any spectral filtering. Two-dimensional polychromatic diffraction images are acquired using a Timepix 3 quad CdTe detector with a central aperture to allow the pencil beam to pass through without parasitic interaction. The detector, equipped with a...
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Patrice Schlegel (German Cancer Research Center (DKFZ))29/06/2026, 17:10
Introduction
Delivering Carbon-ion radiotherapy (CIRT) at consistently high accuracies throughout a multi-week treatment remains challenging in clinical practice. Even though the dose conformity of CIRT is exceptionally high, it always relates to the last known factual state of the patient’s anatomy, which gets increasingly uncertain the more time has passed since the Computed Tomography...
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Dr Wolfgang Treberspurg (University of applied Sciences Wiener Neustadt)29/06/2026, 17:10
In order to accurately characterize the flux of primary particles in medical accelerators, the signals of events due to primary and secondary particles need to be discriminated. Irradiation experiments often require high precise environment, in which the impact of secondary particles, generated downstream a beam dump or pin-hole configuration need to be considered.
We present the analysis...
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Tadeas Petru (Charles University (CZ))29/06/2026, 17:10
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment at the CERN Large Hadron Collider (LHC). It is composed of steel absorbers and plastic scintillators as the active medium, with scintillation light collected by wavelength-shifting fibres and read out by photomultiplier tubes. The stability of the calorimeter response is...
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Connor Darling (University College London, Francis Crick Institute)29/06/2026, 17:10
The National facility for lab-based X-ray Computed Tomography (NXCT) is a UK wide, cross-institutional initiative to provide access for both academia and industry to a range of x-ray CT equipment, techniques and expert support. A key aim of the facility is to enable new users to access the technique, including through a free-at-point of access scheme. It supports, for example, novel research...
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Yoonsang Hong (School of Mechanical Engineering, Pusan National University)29/06/2026, 17:10
Scientific and engineering efforts in radiology aim to provide high-uality images at the lowest possible radiation dose. When this principle is applied to industrial imaging, the low-dose requirement can be interpreted as low-power operation of the x-ray source. Inspection of printed circuit boards (PCBs) requires real-time, prolonged operation of x-ray imaging systems; therefore,...
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Philip Pfaefflein (European XFEL)29/06/2026, 17:10
The Heisenberg-RIXS spectrometer (hRIXS) at the Spectroscopy and Coherent Scattering (SCS) instrument of the European XFEL is dedicated to performing resonant inelastic X-ray scattering (RIXS) measurements in the time domain, with time and energy resolution approaching the Heisenberg limit imposed by the uncertainty relations [1, 2]. The spectrometer uses a dispersive element and requires a...
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Geunyoung An (Jeonbuk National University)29/06/2026, 17:10
The global issue of contraband items, such as illicit narcotics and bombs, is becoming increasingly severe. Many countries use X-ray security screening at their borders to intercept these dangerous goods. Backscatter X-ray imaging techniques clearly display materials with low atomic numbers. However, the atomic numbers and densities of drugs and explosives are similar to those of common...
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Jan Broulim (Czech Technical University in Prague (CZ)), Karolina Lavickova (Czech Technical University in Prague (CZ))29/06/2026, 17:10
The ColorPix ASIC, currently in its third revision, is a hybrid pixel detector designed for spectral X-ray imaging. It is implemented in 65 nm CMOS technology and features a 32 × 32 pixel matrix, with scalability toward future expansion up to 256 × 256 pixels. The pixel pitch is 70 µm. A 2 mm-thick CZT (cadmium zinc telluride) sensor layer, which is highly sensitive to X-rays, is bump-bonded...
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Michiko Tsuda (Takasaki Institute for Advanced Quantum Science, National Institutes for Quantum Science and Technology (QST))29/06/2026, 17:10
Positron emission tomography (PET) enables three-dimensional visualization of radioactive tracers in plants, but conventional systems are costly and not optimized for plant research. In this study, we characterized the count-rate performance of our low-cost plant-dedicated PET system and demonstrated dynamic imaging of living plants for the first time.Count-rate measurements using a carbon-11...
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Dr Konstantinos Karafasoulis (Hellenic Army Academy)29/06/2026, 17:10
Portable low-resolution gamma-ray detectors are widely used at radiological crime scenes because they can be rapidly deployed in the field; however, reliable isotope identification remains challenging when spectra include overlapping emissions, background contributions, and limited counting statistics. Building on our previous deep learning framework for single-isotope identification [1] with...
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Seungjun Yoo (School of Mechanical Engineering, Pusan National University)29/06/2026, 17:10
Film-based technology has long been the standard in industrial imaging; however, recent advances in artificial intelligence have accelerated the transition to digital imaging. Consequently, film digitizers have become necessary components in film-based workflows. Flat-panel detectors (FPDs), which inherently produce digital x-ray images, are increasingly replacing film in industrial...
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Tomoyuki Ishiwatari (Graduate School of Science and Technology, Gunma University / Takasaki Institute for Advanced Quantum Science, National Institutes for Quantum Science and technology)29/06/2026, 17:10
PETIS (Positron Emitting Tracer Imaging System) enables real-time, non-destructive visualization of substance distribution in plants. However, the spatial resolution of conventional PETIS instruments (FWHM ≈ 1.6–2.1 mm) is insufficient for resolving fine structures such as leaf veins and internodes. Therefore, this study aims to develop a compact PETIS instrument that achieves both high...
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Haruki Iiyama (Yamagata University)29/06/2026, 17:10
MeV gamma-ray observations are a probe for various physical phenomena, including searches for dark matter and primordial black holes, and nucleosynthesis in the Universe. In order to achieve high sensitivity in this band, we are developing an electron-tracking Compton camera (ETCC), which combines a gaseous time projection chamber (TPC) and pixelated GSO(Ce) scintillator arrays (PSAs). The TPC...
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Georgios Mystridis (University of Foggia, Fondazione Bruno Kessler)29/06/2026, 17:10
Please see attached PDF
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David Lomidze (European XFEL)29/06/2026, 17:10
Advanced soft X-ray imaging at the European XFEL demands a unique combination of ultra-low noise, high dynamic range, and MHz frame rate. The DSSC (DEPFET Sensor with Signal Compression) detector has been developed to meet these requirements in the 0.5–6 keV range, enabling the detection of soft X-ray scattered photons at repetition rates up to 4.5 MHz [1]. While the existing 1-megapixel DSSC...
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Ho Kyung Kim (School of Mechanical Engineering, Pusan National University)29/06/2026, 17:10
A photon-counting detector (PCD) typically consists of a top sensor layer and a bottom electronics layer arranged in tandem. The sensor layer detects an incident x-ray photon and converts it into charge carriers, the number of which is proportional to the deposited energy. The bottom application-specific integrated circuit (ASIC) senses the resulting charge drift as a current, converts it into...
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Ali Khalilzadeh29/06/2026, 17:10
Hydrogenated amorphous silicon (a-Si:H) and crystalline silicon photodiodes are promising candidates for radiation detector applications, including pixel detectors for proton therapy. In this work, we present a comparative electrical characterization of available photodiode samples with different material platforms and thicknesses, a-Si:H devices with thicknesses of 1.0 µm and 0.8 µm, and a...
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Jan Jakubek29/06/2026, 17:10
In this contribution, we demonstrate a rather unusual application of X-ray diffraction (XRD) for the analysis of biological samples. We show that muscle, fat, tendon, and bone tissues produce distinct XRD patterns. It is further demonstrated that even thick, complex biological structures, such as a chicken wing, can be scanned using this technique. These measurements are enabled by fully...
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Ana Luisa Monteiro Da Silva (University of Aveiro (PT))29/06/2026, 17:10
In this work, we present a novel energy-dispersive X-ray Fluorescence Computed Tomography (ED-XFCT)
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system based on a Micro-Pattern Gaseous Detector (MPGD), exploring its potential as a flexible and cost-effective
alternative for 3D energy-resolved imaging.
The system integrates an X-ray tube source, a motorized rotation stage, and a 2D-THCOBRA detector operating
in single-photon counting... -
Prof. Yong Hyun Chung (Yonsei univ.)29/06/2026, 17:10
The use of radioactive materials has been expanding across various fields, increasing the risk of radiation accidents, such as loss or theft. In such cases, a monitoring system capable of both source localization and radionuclide identification is essential [1]. However, conventional directional radiation monitoring systems are limited by a narrow field of view and difficulty in real-time...
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Aluizio Jose Salvador29/06/2026, 17:10
Mogno is a microCT beamline at the Brazilian Synchrotron Light Source designed for full-field imaging with hard X-rays (67.5 keV) in a cone-beam geometry, enabling the investigation of samples with dimensions of up to several centimetres. The beamline is equipped with a large-area CdTe Pimega detector, composed of a 6 × 6 array of Medipix3RX ASICs, providing a total sensitive area of 85 × 85...
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Michiko Tsuda (Takasaki Institute for Advanced Quantum Science, National Institutes for Quantum Science and Technology (QST))29/06/2026, 17:10
Particle therapy delivers highly localized doses via the Bragg peak, but therapeutic outcomes depend critically on beam range accuracy. Secondary electron bremsstrahlung (SEB), generated along the beam trajectory, has been proposed for beam range verification; however, insufficient detection sensitivity remains a key limitation. In this study, we investigated a knife-edge slit collimator,...
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Daniel Estrada (Universidad de Oviedo (ES))29/06/2026, 17:10
To meet the extreme data demands of the High-Luminosity LHC, the LCH experiments are deploying enhanced trigger architectures built on next-generation hardware. This infrastructure is engineered to handle several tenths of Tb/s with ultra-low latency of O(μs). Leveraging this processing power, offline-style algorithms that were previously beyond the computational reach of the online trigger...
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Mitsutaka Yamaguchi (Takasaki Institute for Advanced Quantum Science, National Institutes for Quantum Science and Technology)29/06/2026, 17:10
We developed a secondary electron bremsstrahlung (SEB) camera for noninvasive beam range monitoring in particle therapy. The system uses a 22×22 segmented GAGG:Ce scintillator array coupled with an 8×8 SiPM array, read out by the TOFPET2 ASIC, which enables individual channel readout at high count rates. Beam tests with a 290 MeV/u carbon-ion beam at GHMC confirmed that the camera can...
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Ryan Parsons (H3D, Inc.)29/06/2026, 17:10
Room-temperature CdZnTe semiconductor detectors are becoming commonplace in medical imaging, high-energy physics, and homeland security radiation measurements. The direct conversion of incident photons into charge carriers provides much higher limiting spatial and energy resolution than scintillation-based detectors. CdZnTe detectors are commonly pixelated to precisely measure the incident...
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Jiri Volny29/06/2026, 17:10
Photon-counting X-ray detectors based on Medipix/Timepix technology are well established as powerful tools for high-resolution imaging. Their hybrid architecture, combining a pixelated semiconductor sensor with a dedicated CMOS readout ASIC, enables excellent spatial resolution, low noise, high count-rate capability, and flexibility in the choice of sensor material. These features make the...
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Robine Janssen (Ghent University)29/06/2026, 17:10
Purpose
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Positron emission tomography (PET) enables functional imaging of tissues and organs. Long axial field-of-view (LAFOV) PET systems provide high-quality images with reduced scan times and lower patient dose. However, their widespread clinical adoption is limited by cost. The MEDISIP group is developing a cost-effective LAFOV PET design consisting of two vertical flat detector panels... -
優樹 Sato29/06/2026, 17:10
In the decommissioning work at the Fukushima Daiichi Nuclear Power Station (FDNPS), determining the distributions of dose rates and radiation sources, as well as identifying the locations of radioactive hotspots where locally high concentrations of radiation sources exist, is critically important for formulating detailed decontamination plans and minimizing worker exposure. In recent years,...
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Laura Luisa Scholl (German Cancer Research Center)29/06/2026, 17:10
Compared to conventional photon radiotherapy, carbon-ion radiotherapy offers improved targeting accuracy of tumor volumes, but is more sensitive to anatomical changes of the patient that can affect the treatment outcome [1]. To address this, our group has developed a method based on the detection and tracking of charged nuclear fragments using a customized semiconductor-based hybrid pixel...
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Regina Oliveira (University of Aveiro)29/06/2026, 17:10
The easyPET/CT is a novel multimodal preclinical imaging system that combines positron emission tomography (PET) images, which provides molecular-level information, with a photon counting computed tomography (PCCT) modality, which delivers anatomical data of the subject. Both imaging modalities are acquired using the same detector modules, enabling a unified hardware architecture and...
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Dr Anna Cimmino (The Extreme Light Infrastructure ERIC, ELI Beamlines Facility)29/06/2026, 17:10
High-power laser facilities provide a pathway toward compact, tunable muon sources based on laser wakefield accelerated electrons interacting with high-Z converters. Such laser-driven schemes offer unique characteristics compared to conventional or cosmic-ray muon sources, including short pulse duration, intrinsic synchronization, and directional emission, which are attractive for emerging...
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Tim Gehrke (Heidelberg University Hospital / German Cancer Research Center)29/06/2026, 17:10
Introduction:
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Radiation therapy using protons and heavier ions, referred to as ion-beam therapy in the following, is a highly precise form of radiation therapy. A prerequisite for the best therapeutic outcome is patient-specific treatment planning. It includes the calculation and optimization of the physical dose distribution in the patient and as another key parameter the efficiency of... -
Youngho Seo (Department of Radiology and Biomedical Imaging, University of California, San Francisco, USA)29/06/2026, 17:10
Quantification of activity levels is a minimum requirement for any radionuclide experiment, including the development of targeted alpha therapies (TATs). Ac-225 (225Ac) is one of the most promising alpha-emitters for TATs. However, the activity levels used for 225Ac experiments are extremely low and cannot be accurately measured by conventional dose calibrators. Dose calibrators are generally...
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Dowon Lee (Department of Applied Plasma and Quantum Beam, Jeonbuk National University, Jeonju, Republic of Korea)29/06/2026, 17:10
Heavy particle therapy utilizes the Bragg peak to precisely deliver radiation doses to tumors, yet real-time verification of the beam range remains a significant challenge. Fast neutron scatter imaging offers a promising solution for in-vivo range verification by detecting highly penetrating secondary neutrons generated during treatment. However, reconstructing high-resolution images from...
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Dr Nobuo Suzui29/06/2026, 17:10
To elucidate selective nutrient transport in plants, we developed a multi-element monitoring system using ultra-compact GAGG detectors ($20 \times 20 \times 43$ mm). Unlike conventional imaging limited to single nuclides, this system enables simultaneous, multi-point tracking of multiple elements at various locations, such as roots and fruits. Validation using PHITS simulations and experiments...
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Diletta Borselli (Universita e INFN, Firenze (IT))29/06/2026, 17:10
The muon absorption radiography technique allows for the generation of average density images of the studied objects by measuring the attenuation of atmospheric muons. This technique is entirely non-invasive; the detectors used, which originate from subnuclear physics, are compact and easily portable. The subjects of study are typically large-scale structures, such as volcanoes, pyramids,...
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Hiromi Nakai29/06/2026, 17:10
Non-invasive imaging of positron-emitting tracers in plants is a powerful tool for elucidating physiological mechanisms. In particular, as a fundamental process for plant growth, photosynthate translocation from source leaves to sink organs has been extensively studied using 11C as a tracer. A previous study focused on photosynthate translocation from a single leaf to fruits in strawberry...
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Martin Delcourt (Vrije Universiteit Brussel (BE))29/06/2026, 17:10
The High-Luminosity upgrade of the Large Hadron Collider (HL-LHC) will reach unprecedented instantaneous luminosities of up to $7.5 \times 10^{34}\,\text{cm}^{-2}\text{s}^{-1}$, resulting in significantly increased particle fluxes, radiation levels, and data rates in the innermost detector regions. To operate under these challenging conditions, the current CMS tracking detector will be...
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Sung Woo Kwak (Korea Institute of Nuclear Non-proliferation and Control)29/06/2026, 17:10
Verification of spent fuel in Pressurized Heavy Water Reactors (PHWRs) is a critical task for international nuclear safeguards. Currently, the IAEA and the Korea Institute of Nuclear Nonproliferation and Control (KINAC) utilize the Optical Fiber Radiation Probe System (OFPS) to verify spent fuel bundles at South Korea's three operating CANDU reactors [1]. This verification process involves...
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Mr Tomas Fila (Czech Technical University in Prague, Faculty of Transportation Sciences)29/06/2026, 17:10
The mechanical response of many advanced materials is governed by their internal structure, which often evolves under loading and exhibits pronounced strain-rate dependence. Direct observation of these internal features during deformation is therefore essential, motivating the use of X-ray imaging techniques. However, laboratory-based X-ray imaging of dynamic events is inherently constrained...
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423. Phantom-Free Geometry Calibration for Cone-Beam Computed Tomography Using Bayesian OptimizationMr YOUNGHWAN LIM29/06/2026, 17:10
Accurate scan geometry is essential for high-quality three-dimensional reconstruction in cone-beam computed tomography (CBCT) [1]. However, residual geometric misalignments frequently persist even after careful mechanical alignment, resulting in image degradation such as blurring and structural distortion. Conventional calibration approaches typically rely on dedicated phantoms, limiting their...
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Seo Yun Jang29/06/2026, 17:10
Accurate radionuclide identification and dose assessment are fundamental requirements for radiological safety and environmental monitoring. While data-driven artificial intelligence (AI) models have shown promise in gamma-ray spectroscopy, they frequently rely on purely statistical correlations without an underlying physical framework. This lack of physical grounding often limits their...
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Yuta Terasaka29/06/2026, 17:10
Reliable gamma-ray spectrometry is essential for radiation work management and radioactive waste characterization at the Fukushima Daiichi Nuclear Power Station (FDNPS). However, the measurement requirements vary significantly depending on the target scenario. In high-dose-rate areas inside reactor buildings, portable spectrometers must maintain spectral performance under severe count-rate...
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Kyung Taek Lim (Sejong University)29/06/2026, 17:10
Nuclear facility decommissioning faces a distinct safeguards challenge: control measures are still required even after essential nuclear materials have been removed, and samples collected from dismantling-related areas may require rapid on-site verification to determine whether uranium-bearing residues remain. In this regard, portable HPGe detectors could be well-suited to this role because of...
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Seungjun Yoo (School of Mechanical Engineering, Pusan National University)29/06/2026, 17:10
Riding the wave of advances in artificial intelligence and computer-aided defect inspection, digital X-ray imaging has become essential in industrial applications. Although film-based systems combined with scanners or digitizers can provide high spatial resolution, prolonged acquisition times and the need for human intervention limit throughput. Flat-panel detectors (FPDs), which offer higher...
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Anna Mastroberardino (Universita della Calabria e INFN (IT))29/06/2026, 17:10
We present an autonomous Unmanned Ground Vehicle (UGV) platform for non-invasive environmental radioactivity monitoring, a full account of which has been published in JINST [1]. The system - developed to replace hazardous manual surveys - integrates real-time data acquisition, GPS-tagged geospatial mapping, and AI-driven anomaly detection.
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The detector module comprises an ENVINET SPD32... -
Boris Vervenne (MEDISIP, Ghent University)29/06/2026, 17:10
Introduction: Our group is developing the Walk-Through PET, an upright PET scanner that uses two vertical flat-panel detectors to scan patients in a standing position. This geometry increases sensitivity and reduces costs [1] but requires a custom CT component for anatomical imaging and attenuation correction, as opposed to conventional PET/CT scanners where a standard circular CT is put...
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Mohammad Heidari29/06/2026, 17:10
PERCIVAL, the Pixellated Energy-resolving CMOS Imager Versatile and Large, is a 2-megapixel multi-gain soft x-ray detector designed for photon science experiments at Free Electron Laser (FEL) and synchrotron facilities.
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Cross-talk effects and non-uniformity of dark images limited the performance of the first generation of the sensor, in turn limiting noise performance, frame rate, and dynamic... -
Olga Zormpa (CERN)29/06/2026, 17:10
Muon reconstruction with high precision and efficiency is a key element of the ATLAS physics program at the LHC, enabling a wide spectrum of measurements and searches. In the first two data-taking periods, the ATLAS Muon Spectrometer (MS) achieved excellent performance, contributing decisively to major results such as precision tests of the electroweak sector, detailed investigations of the...
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Ralf Hendrik Menk (Elettra Sincrotrone Trieste)29/06/2026, 17:10
Spectral and phase-contrast X-ray imaging have emerged as complementary techniques for enhancing image quality and material discrimination. X-ray spectral imaging (XSI) exploits the energy dependence of attenuation, enabling quantitative material decomposition, particularly for high-Z elements via their K-edge signatures. In parallel, X-ray phase-contrast imaging (XPCI) provides sensitivity to...
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Christoph Gaßner (Technical University of Munich)29/06/2026, 17:10
Staining is a standard procedure to enhance contrast in non-invasive imaging, improving the initially low soft tissue contrast and enabling high-resolution structural acquisition [1]. Non-destructive trace element analysis via X-ray fluorescence (XRF) spectroscopy complements this by mapping elemental distributions in biological tissues through characteristic fluorescence signals [2], [3]....
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Matthias Knopf29/06/2026, 17:10
Particle therapy using proton or carbon ions is a form of cancer treatment enabling precise tumor targeting with enhanced biological effectiveness while minimizing damage to surrounding healthy tissue. Successful treatment planning and tumor control depend not only on the total absorbed dose but are also closely linked to the quality of the administered radiation, as quantified by the average...
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Isabelle De Bruyn (Universite Libre de Bruxelles (BE))29/06/2026, 17:10
The CMS Muon system is undergoing significant upgrades in preparation of the High-Luminosity LHC (HL-LHC) operation, in order to maintain excellent performance in unprecedented collision rates. The electronics of the Cathode Strip Chambers (CSCs) are therefore being upgraded, and the new complementary Gas Electron Multiplier (GEM) detectors are being installed. One of the new GEM stations,...
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Faiqa Bashir (Universita e INFN Torino (IT))29/06/2026, 17:10
The CMS experiment at the Large Hadron Collider (LHC) is designed to perform precision measurements and to explore new physics in high energy proton–proton collisions. The performance of its tracking system is essential for the overall physics reach of the experiment, e.g. providing accurate vertex reconstruction and the precise measurement of the momentum of the charged particle. The upcoming...
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Karam Kaspar (Ghent University (BE))29/06/2026, 17:10
The SHiP/NA67 experiment aims to search for feebly interacting GeV-scale new particles and to perform all-flavor neutrino-physics measurements at the HI-ECN3 beam facility at the CERN SPS. The collaboration is currently optimising the experiment's initial configuration for the commissioning and first physics runs of 2032-2033.
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The detector subsystems comprise a few large-area instruments: for... -
Stefano Capra (University of Milan, INFN (Milan))29/06/2026, 17:10
Decay spectroscopy with radioactive ion beams (RIBs) is a key tool for investigating nuclear structure far from stability and for constraining nucleosynthesis processes. Experiments at FAIR, particularly within the DESPEC setup, rely on highly segmented active stoppers such as AIDA to correlate ion implantation with subsequent β decays. However, present systems based on double-sided silicon...
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Jens Erik Brucken (University of Helsinki (FI))29/06/2026, 17:10
The Minimum Ionising Particle Timing Detector (MTD) is a new addition to the apparatus of the CMS experiment for the High Luminosity phase of the Large Hadron Collider (HL-LHC) starting in 2030. Providing precise time-of-arrival information will significantly increase the efficiency of the CMS experiment in reconstructing individual proton-proton collisions in the high “pile-up” environment of...
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Jasmin Burke (Rapiscan)29/06/2026, 17:10
The security industry uses a wide range of detector technologies for various applications, primarily cargo and vehicle inspection and baggage and parcel inspection. This discussion focuses specifically on cargo and vehicle inspection. A wide range of detectors are required to be able to detect the vast range of anomalies and threats that can appear in cargo and vehicles. Two primary x-ray...
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Yuta Miyoshi (Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology)29/06/2026, 17:10
Radioisotope (RI) tracers are powerful tools for noninvasively visualizing and quantifying the translocation, allocation, and accumulation of substances, and are widely used not only in medicine and materials science but also in agricultural research. In plant studies, imaging using RI tracers such as ¹¹C, ¹³N, and ²²Na combined with positron-emitting tracer imaging system (PETIS) enables...
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Matthieu Boone29/06/2026, 17:10
At Eindhoven University of Technology, a tabletop x-ray source based on inverse Compton scattering (ICS) has recently been commissioned. In the ICS process monochromatic x-rays are produced by colliding relativistic electron bunches with intense laser pulses. This compact and tunable source holds the promise of a performance in between small-scale x-ray tubes and large-scale synchrotron light...
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Maria Martisikova (German Cancer Research Center)29/06/2026, 17:10
MOTIVATION:
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Carbon-ion radiotherapy is a powerful modality for the precise treatment of tumors located deep within the body, particularly when they are situated in close proximity to critical structures such as the brainstem, spinal cord, or optic pathways. The advantageous sharp focusing of the treatment dose to the tumor, however, results in a high sensitivity to beam range uncertainties... -
Jiri Volny29/06/2026, 17:10
X-ray radiography visualizes the object’s internal structure through the absorption contrast that is given by the object's variations in density and composition. In comparison, X-ray diffraction (XRD) probes the objects crystal structure itself. XRD is constructive interference of elastically scattered X-rays on the electron shell of the constituent atoms of the crystal where the position of...
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Dr Cristina Carloganu (LPC/IN2P3/CNRS)30/06/2026, 09:00Invited presentation
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Donya Ahmadi (Vrije Universiteit Brussel (BE))30/06/2026, 09:30
D. Ahmadi¹,*, A. Cimmino³, E. Cortina Gil², P. Demin², A. Giammanco², G.M. Grittani³, S. Ikram², M. Lagrange², M. Nevrkla³, E. M. Rockafellow⁴, J. E. Shrock⁴, M. Tytgat¹, R. Versaci³
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1. Inter-University Institute for High Energies (IIHE), Vrije Universiteit Brussel, Brussels, Belgium
2. Centre for Cosmology, Particle Physics and Phenomenology, UCLouvain, Louvain-la-Neuve, Belgium
3. ELI... -
Sidney Ricketts (Los Alamos National Laboratory)30/06/2026, 09:50Oral presentation
The Nuclear Imaging System (NIS) at the National Ignition Facility (NIF) provides 2D and 3D visualization of spatial neutron emission of inertial confinement fusion (ICF) implosions, delivering key insight into burning plasma properties now that ignition has been achieved and we are entering a new era of physics. The NIS is made up of three nearly orthogonal line-of-sight (LOS) pinhole imaging...
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Dimitrios Papanikolaou (Universita e INFN, Catania (IT))30/06/2026, 10:10
Despite significant advancements, solar neutron detection remains hindered by several key limitations. The short lifetime of free neutrons (15 min) causes the detectable flux to drop sharply with distance from the Sun, making proximity to the source essential. Existing space-based instrumentation must additionally contend with cosmic-ray and spacecraft-induced backgrounds, while being...
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Dr Harry Allan (University College London, Francis Crick Institute)30/06/2026, 11:00Oral presentation
X-ray microscopy offers a unique combination of penetration depth, non-destructive volumetric imaging, and high spatial resolution, enabling three-dimensional characterization of material structure and tissue morphology. Laboratory implementations of such systems have benefited from recent developments in nano-focus X-ray sources and high-resolution detectors, enabling sub-micron spatial...
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Paolo Cardarelli (Universita e INFN, Ferrara (IT))30/06/2026, 11:20Oral presentation
The Medipix4 collaboration has recently introduced the Timepix4, a cutting-edge application-specific integrated circuit (ASIC) designed for single-particle detection in hybrid pixel detectors, which features a 448 × 512 pixel matrix with a 55 µm pitch [1].
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The Timepix4 architecture supports a data-driven operating mode where pixel hits trigger the generation of data packets. These packets... -
Ben Cline30/06/2026, 11:40
4th generation light sources will see many facilities upgrade to Diffraction Limited Storage Rings, providing brighter photon beams with greater coherence across a wider energy range. For example, Diamond-II will reduce the electron horizontal emittance by a factor of 10-100 whilst increasing the beam energy from 3 to 3.5 GeV. A key driver identified in the facility’s science case is a...
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Shunsuke Ueda (JX Adcanced Metals Corporation)30/06/2026, 12:00
Cadmium telluride (CdTe) and cadmium zinc telluride (CdZnTe, CZT) are widely used as X-ray and gamma-ray detectors due to their high stopping power and capability of room-temperature operation [1–2]. However, the performance of these detectors is often strongly affected by deep-level defects which influence carrier trapping, recombination, and transport properties [1–2]. Therefore,...
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Matthew Veale30/06/2026, 12:20Oral presentation
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Prof. Sally Seidel (University of New Mexico (US))30/06/2026, 13:40Invited presentation
The DRD3 Collaboration is a community of nearly 800 researchers worldwide developing the technologies that are needed for particle detection in the next generation of experiments in high energy, nuclear, and other physics subfields. An overview of the collaboration's activities will be presented, including advances in hybrid and monolithic silicon detectors, sensors based on wide band gap and...
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Walter Snoeys (CERN)30/06/2026, 14:10
Development of CMOS monolithic active pixel sensors for the ALICE ITS3 and ALICE3 Tracker upgrades
Walter Snoeys1,*, on behalf of the ALICE collaboration
- EP-ESE-ME, CERN, Esplanade des Particules 1, 1211 Geneva 23, Switzerland
- Corresponding author, walter.snoeys@cern.ch
Monolithic active pixel sensors (MAPS) in commercial CMOS technologies, integrating sensor matrix and readout...
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Iskra Velkovska (Jozef Stefan Institute (SI))30/06/2026, 14:30
The increase of the instantaneous luminosity delivery to the ATLAS Detector during HL-LHC operation will result in 200 simultaneous collisions at every 25 ns. Separating the hard scatter from the pile-up requires a spatial resolution impossible to be attained at rapidities above |η| > 2.4 by the new ATLAS semiconductor tracker (ITk), which will extend the tracking coverage in ATLAS up to |η| <...
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Dominik Gorni30/06/2026, 14:50
Particle Brain is a smart detector architecture for HEP/NP experiments where the sensor layer is kept AI-free, and raw event data are sent via a low-latency asynchronous link (EDWARD/AER) to an external neuromorphic processor analogous to the retina-to-brain pathway.
Key results reported:
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EDWARD65P1 ASIC validated: unbiased arbitration, Poisson statistics confirmed, 20 ns timing... -
Martin Delcourt (Vrije Universiteit Brussel (BE))30/06/2026, 15:10Oral presentation
The Silicon Tracker of the Compact Muon Solenoid (CMS) is the innermost sub-detector of the experiment and is responsible for measuring charged particles produced in high-energy collisions at the Large Hadron Collider (LHC). It consists of an inner pixel detector with 1,856 modules and an outer strip detector comprising 15,148 modules, together forming the world’s largest silicon tracking...
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Claudia Pisanti (University and INFN BOLOGNA)30/06/2026, 16:00
RIPTIDE (RecoIl ProTon Imaging DEtector)[1] is a novel fast-neutron detector concept designed to determine both neutron energy and direction using the Recoil Proton Track Imaging (RPTI) technique[2]. This technique relies on neutron–proton elastic scattering: when a neutron interacts in a proton-rich material (e.g., plastic scintillator), the recoiling proton produces scintillation light along...
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Dr Carlos Granja (Institute of Nuclear and Physical Engineering, Slovak University of Technology)30/06/2026, 16:20Oral presentation
Radiation fields can exhibit different and complex radiation fields of specific composition and varying spectral distribution such as secondary cosmic rays in Earth’s atmosphere and in environments in particle radiotherapy and outer space. Determining the makeup composition in terms of radiation components and spectral distribution is often a challenge especially when discrimination is...
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Dr Juha Kalliopuska30/06/2026, 16:40
Gallium arsenide (GaAs) has been extensively studied for over seven decades as an excellent material for semiconductor lasers, LEDs, and microwave electronics. GaAs also offers significant advantages over Si and Cd(Zn)Te for radiation detector applications. In particular, GaAs exhibits higher electron mobility than both Si and Cd(Zn)Te, a higher average atomic number than Si, and a lower...
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Prof. Gordana Lastovicka Medin (University of Montenegro (ME))30/06/2026, 17:00
Gain in silicon, and possibly SiC, detectors enables real 4D tracking. It is usually achieved with LGAD doping profiles, and is now also being explored in CMOS projects such as CASSIA and ARCADIA. This work studies whether sufficient electric field, and therefore gain in 3D detectors, can be generated by field focusing rather than doping.
The sensors were fabricated on the 8-inch CMOS...
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Leonid Lunin (Paul Scherrer Institut PSI)30/06/2026, 17:20Oral presentation
Inverse Low-Gain Avalanche Diode (iLGAD) sensors developed at the Paul Scherrer Institute (PSI) in collaboration with Fondazione Bruno Kessler (FBK) have demonstrated an excellent Signal-to-Noise Ratio (SNR) and Quantum Efficiency (QE) in the soft X-ray range. In the current batch, single-photon detection is achievable at 400 eV with an SNR > 5 , while the QE surpasses 85% at 250 eV [1, 2]....
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Martin de Wit (Space Research Organisation Netherlands)01/07/2026, 09:00Invited presentation
High-resolution X-ray spectroscopy is a cornerstone of modern research in astrophysics, fusion reactor diagnostics, and nuclear physics. For many decades dispersive crystal spectrometers have been the technology of choice, offering exceptional energy resolution. However, their narrow bandwidth and lack of imaging capabilities, as well as their cumbersome setups limit their applicability....
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Mr Ondrej Matousek (CTU)01/07/2026, 09:30Oral presentation
We report the first characterization results of an optical time-stamping camera based on the Timepix4 chip coupled to a fully depleted optical silicon sensor, enabling sub nanosecond scale, time-resolved imaging down to the single-photon level. The characterization has been performed in direct detection mode, with a fast image intensifier for optical photons, and using a high-gain microchannel...
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Marco Carminati01/07/2026, 09:50
Silicon Drift Detectors (SDD), thanks to their very small detector capacitance – and correspondingly low noise performance – represent the gold standard in X-ray spectrometry. In contexts where high detection speed is relevant, i.e. when the count rate is large, the area of the detector can be partitioned in an array of smaller SDD pixels. This allow to operate in parallel several readout...
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Dr Zuzana Melníková (ADVACAM s.r.o.)01/07/2026, 10:10
Hybrid semiconductor detectors based on Timepix and Medipix family chips enable direct detection of ionizing radiation by converting incident particles into an electrical signal within the semiconductor sensor volume. This principle ensures high detection sensitivity while eliminating analog noise. These detectors combine a semiconductor sensor chip with a read-out chip (ROC), which provides...
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Dr Vadym Kedych (Paul Scherrer Institute)01/07/2026, 11:00Oral presentation
JUNGFRAU is a charge-integrating hybrid pixel detector developed for applications at the X-ray free electron lasers (XFELs, e.g. SwissFEL) and further extended to synchrotron use. With a dynamic range of $10^4$ 12.4 keV photons per pixel per frame, JUNGFRAU has enabled advances in many fields of photon science. However, increased brilliance due to recent upgrades at many synchrotrons and very...
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Mateusz Jurczak (AGH University of Kraków)01/07/2026, 11:20Oral presentation
Hybrid pixel detectors traditionally separate sensing from advanced signal processing, constraining pixel-level functionality to analog conditioning and threshold-based interpretation [1,2]. Our earlier work [3] introduced the concept of embedding artificial neural networks (ANNs) directly within pixels to enable local inference and mitigate the impact of analog non-idealities such as noise,...
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Kacper Chmiel (Universita e INFN Roma Tre (IT))01/07/2026, 11:40Oral presentation
Resistive Micromega detectors have demonstrated excellent performance, making them strong candidates for future collider experiments. In this context, we investigate a novel readout concept based on capacitive charge sharing, aimed at improving spatial resolution while significantly reducing the number of electronic channels. Such an approach is especially attractive for experiments...
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Dr Edgar Goederer (Siemens Healthineers)01/07/2026, 14:00Invited presentation
This talk explores Siemens Healthineers’ journey in the development of the first clinical photon-counting computed tomography (CT) systems. Originating from detector technologies in particle physics, the translation of photon-counting principles into real-world medical imaging has required overcoming a series of technological and clinical challenges. Along this path, numerous milestones have...
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Luca Scomparin (SLAC National Accelerator Laboratory - Stanford University)01/07/2026, 14:30
The LCLS‑II X‑ray free‑electron laser facility is set to deliver an unprecedented repetition rate of up to 1 MHz, enabling novel scientific and discovery capabilities. Fully harnessing these capabilities requires imaging detector systems and data acquisition (DAQ) to sample and process data at correspondingly high frame rates. The ePixUHR family of detectors targets continuous acquisition of...
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Mr Xiangyu Xie (Paul Scherrer Institut)01/07/2026, 14:50Oral presentation
The MÖNCH detector [1],a charge-integrating hybrid pixel detector with a 25 μm pixel pitch, has achieved micrometer-scale spatial resolution [2] by exploiting the charge-sharing effect via the analytical interpolation [3], enabling photon-starved applications at third-generation synchrotrons and lab X-ray sources. However, the applicability of conventional interpolation algorithms is limited...
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Matthew Exley (Kromek Ltd)01/07/2026, 15:10Oral presentation
Advances in CZT detector technology continue to improve performance in gamma ray imaging, yet achieving high spatial resolution by reducing pixel size rapidly increases readout channel count, system complexity and cost. SPECT systems are a key example of a technology that would benefit from reduced pixel size. Current systems use 2–2.5 mm pixels [1], but emerging clinical demands, including...
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Ralf Hendrik Menk (Elettra Sincrotrone Trieste)01/07/2026, 15:30
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Dr Ahmet Çamlıca (XERA Medical Systems & Technology)01/07/2026, 17:35
The realization of large-area photon-counting X-ray detectors remains challenging due to the stringent requirements on charge transport and spectral performance. Although CdTe and CZT exhibit excellent energy-resolving capabilities, their implementation in large-area imaging systems is constrained by fabrication cost, scalability limitations, and spectral distortions associated with charge...
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Ahmet Çamlıca (XERA Medical Systems & Technology)01/07/2026, 17:40
Spectral X-ray imaging based on single-photon-counting (SPC) detectors enables energy-resolved detection of individual X-ray photons, thereby offering substantial reductions in radiation dose together with improved tissue contrast, higher spatial resolution, and enhanced material decomposition capabilities in imaging modalities such as mammography and computed tomography (CT) [1]. However,...
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Heejeong Kim01/07/2026, 17:40
Neutron radiography plays an important role in non-destructive evaluation, including aerospace inspection and battery analysis. Recent advances in compact accelerator-driven neutron sources and neutron flat-panel detectors (nFPDs) have improved the accessibility and performance of neutron imaging, enabling practical three-dimensional neutron computed tomography (CT). However, reducing...
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Dr Matti Kalliokoski (Helsinki Institute of Physics (FI))01/07/2026, 17:40
Transmittance imaging enables the localization and mapping of various crystal features, such as defects and inclusions, within CdTe and CZT crystals [1]. By converting these identified locations into point clouds, we can analyse defect relationships using advanced computational tools, including neural networks. The resulting maps allow us to estimate crystal quality before the materials are...
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Chirayu Gupta (Vrije Universiteit Brussel (BE)), Saranya Nandakumar (Vrije Universiteit Brussel (BE))01/07/2026, 17:40
As the CMS pixel detector approaches the end of Run 3, it sustains increasing radiation damage that significantly impacts tracking performance. The resulting degradation in charge collection efficiency leads to "broken clusters" (pixels missing within a cluster) and "shorter clusters" (missing end pixels). These effects degrade track resolution and introduce substantial hit position bias,...
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Chihaya Fujiwara (Tohoku University)01/07/2026, 17:40
Alpha particles imaging with zero-dimensional halide perovskite scintillator
Chihaya Fujiwara1,2*, Yusuke Urano3, Akihiro Yamaji4, Akira Yoshiakwa1,2 and Shunsuke Kurosawa4,5
- Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Sendai, Miyagi, 980-5877, Japan
- Department of Materials Science, Graduate School of Engineering, Tohoku University, 6-6-11 Aoba,...
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Jan Garrevoet01/07/2026, 17:40
The push for higher photon fluxes needs to be countered by development of X-ray detectors capable of processing all these photon events. Presented is a custom made monolithic silicon drift detector (SDD), that has this goal in mind.
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Besides discussing the design, preliminary performance results will be discussed. -
Charles Townsend-Rose (European XFEL)01/07/2026, 17:40
The DSSC (DEPFET Sensor with Signal Compression) is a large-area, ultra-fast (4.5 MHz), soft X-ray (0.25 - 6 keV) camera developed for operation at the European X-ray Free Electron Laser. The pixel design features low-noise DEPFET technology with a modified doping profile that induces a signal-dependent gain, extending the detector's dynamic range. The full camera comprises 16 front-end...
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Nina Dimova01/07/2026, 17:40
The Timepix4 provides time of arrival (ToA) and time over threshold (ToT) information on detected events, enabling sub-pixel position reconstruction beyond simple pixel-centre assignment [1]. We present an evaluation of centroiding methods for Timepix4 electron clusters, aimed at improving spatial resolution by combining the complementary information carried by ToT and ToA. Using Allpix2...
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Marie Andrae (Synchrotron SOLEIL)01/07/2026, 17:40
In recent years, significant efforts have been undertaken to extend the operational range of hybrid photon-counting detectors towards the tender and soft X-ray regime. In parallel with the development of new sensor technologies — notably Low-Gain Avalanche Detectors (LGADs) and thin entrance windows (TEW) [1] — these efforts have focused on the optimization of readout ASICs, with the...
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Miroslaw Zoladz01/07/2026, 17:40
Charge sharing constitutes a fundamental limitation in hybrid pixel detectors operating in single-photon-counting mode. As the charge cloud generated by an absorbed X-ray photon drifts toward the collection electrodes, it undergoes lateral diffusion. When the interaction occurs in proximity to pixel boundaries, the deposited charge is distributed among adjacent pixels. Consequently, instead of...
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Theophile Chirac01/07/2026, 17:40
Microchannel plates (MCP) are a kind of electron multiplier widely used for intensifiers, sensitive detection and time gated 2D imaging apparatus. With coating strips used as a photocathode, they become a powerful tool for X-ray detection [1]. In the Laser Megajoule Facility, they are key components to notably X-ray framing cameras embed in several plasma diagnostics (imagers of spectrometers...
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Filippo Baruffaldi (Dectris AG)01/07/2026, 17:40
This work presents the characterization of a full detector module based on the DECTRIS JUNGFRAU charge-integrating ASIC, developed to overcome the count-rate limitations of traditional counting detectors [1]. The module consists of 8 ASICs in a 512✕1024 active pixel array, bump-bonded to a monolithic 450 µm Si sensor, for an approximate sensitive area of 4✕8 cm². The Jungfrau ASIC features a...
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任佳义 Jiayi REN01/07/2026, 17:40
The China Spallation Neutron Source (CSNS) is undergoing an upgrade to CSNS-II, targeting an increase in the proton beam power to 500 kW. This upgrade introduces stringent requirements for neutron detector readout electronics, including operation under vacuum conditions, higher neutron flux, increased counting rates, improved spatial resolution, and reduced power consumption. Conventional...
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Andrea Sagatova (Institute of Nuclear and Physical Engineering, Slovak University of Technology, Ilkovičova 3, 841 04 Bratislava, Slovak Republic)01/07/2026, 17:40
Timepix detectors have a great advantage in the capability of spectral particle track imaging in um scale, reflecting the pixel size. This requires precise per pixel energetic calibration. The Timepix detector energetic calibration is achieved usually by photons with energies up to 100keV that create a charge in a single pixel, so-called low-energy calibration. High-energy heavy charged...
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Jakub Miszczynski (AGH University of Krakow (PL))01/07/2026, 17:40
This work presents a comparative study and optimization of a fast charge-sensitive amplifier (CSA) intended for hybrid pixel detectors operating in single-photon-counting (SPC) mode. The design objective is to minimize electronic noise while maximizing pulse-processing speed under stringent power constraints. Two advanced technology nodes are investigated: a 40 nm planar CMOS process and a 16...
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Alessandro Marras01/07/2026, 17:40
The CoRDIA detector (Continuous Readout Digitising Imager Array) is an X-ray imager being developed for scientific experiments at diffraction-limited synchrotron rings.
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It is designed to be capable of continuous operation at 150 kframe/s and features a compact pixel size (110x110 μm^2), that includes digitisation and fast data streamout circuits within the pixel array, so that they do not... -
Stefano Capra (University of Milan, INFN (Milan))01/07/2026, 17:40
The FAMU [1] experiment at RIKEN-RAL aims at a high-precision measurement of the hyperfine splitting of muonic hydrogen through the detection of an excess of characteristic X-rays emitted by muonic oxygen following laser-induced [2] excitation. The X-ray detection system is based on LaBr3:Ce scintillators read out by both photomultiplier tubes (PMTs) and SiPM arrays, requiring stable energy...
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Mostafa Mahmoud Cherif (Université Paris-Saclay (FR))01/07/2026, 17:40
With the High Luminosity LHC (HL-LHC) upgrade scheduled for 2030, a major upgrade of the LHCb experiment is planned to adapt to the harsh environment expected with the increased pile-up, as the number of interactions per bunch crossing will increase eight-fold. At the Upstream (UP) and MightyTracker tracking stations, Monolithic Active Pixel Sensors (MAPS) have been chosen for their high...
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Yoshiharu Kitayama (F-REI)01/07/2026, 17:40
Portable 4π gamma-ray imagers are promising tools for nuclear security, decommissioning, and contamination monitoring. However, existing gamma-ray imagers are generally expensive, which limits their use in applications involving multiple imagers. One major reason for the high cost is that conventional systems require from hundreds to tens of thousands of readout channels, as well as complex...
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S. Ikram (UCLouvain, Centre for Cosmology, Particle Physics and Phenomenology (CP3), Louvain-la-Neuve, Belgium)01/07/2026, 17:40
To address the need for high-resolution muon imaging in environments with significant logistical constraints, we are developing a field-deployable detector system based on glass Resistive Plate Chambers (gRPCs). While RPCs are a mature and widely used technology, this work emphasizes the design of a gas-tight configuration suited for flexible muography applications. The system is conceived to...
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Dr Veta Ghenescu (Institute of Space Science subsidiary of INFLPR (RO))01/07/2026, 17:40
Highly compact and highly granular electromagnetic calorimeters are required for precision luminosity measurements at future e⁺e⁻ colliders. Such detectors are also essential for determining the positron multiplicity and energy spectra in the LUXE experiment [1], which investigates strong-field QED through laser–electron interactions.
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In a luminometer, where Bhabha scattering serves as the... -
Stefano Capra (University of Milan, INFN (Milan))01/07/2026, 17:40
High-purity germanium detectors play a key role in rare-event searches performed in underground laboratories, where ultra-low electronic noise is essential to achieve the required sensitivity. In this context, charge-sensitive preamplifiers rely on very high-value feedback resistances (∼1 GΩ), whose implementation poses significant challenges in terms of integration, stability, and noise...
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Mujin Li (IHEP)01/07/2026, 17:40
SHINE (Shanghai HIgh repetitioN rate XFEL and Extreme light facility) is the first XFEL facility working in the hard X-ray region in China. To fulfill the special requirements of SHINE, a new pixel array detector, STARLIGHT (SemiconducTor Array detectoR with Large dynamIc ranGe and cHarge integrating readout), is being developed. HYLITE (High dYnamic range free electron Laser Imaging...
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Bohumir Zatko (Institute of Electrical Engineering, Slovak Academy of Sciences)01/07/2026, 17:40
Silicon carbide (SiC) is a wide-bandgap semiconductor with significant potential for detecting various types of radiation. An additional advantage is the commercial availability of high-quality crystalline SiC materials necessary for the fabrication of radiation detectors. The 4H-SiC polytype is a good candidate because of a band gap energy of 3.23 eV at room temperature, a breakdown voltage...
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Dr Konstantinos Karafasoulis (Hellenic Army Academy)01/07/2026, 17:40
Rapid and reliable localization of radioactive sources is a critical requirement in nuclear security, border protection, radiological emergency response, and the prevention of illicit trafficking of radioactive materials. In our previous work, we investigated radioactive source position estimation using a coded aperture device combined with machine learning, demonstrating the potential of...
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Sofia Mazzolani (University of Camerino & Istituto Nazionale di Fisica Nucleare)01/07/2026, 17:40
Report of the performance of the single‑sided silicon microstrip detector (MSD) used in the magnetic spectrometer of the FOOT (FragmentatiOn Of Target) experiment —devoted to fragmentation studies for hadrontherapy and space radiation protection— showing high (>95%) detection efficiency from recent beam tests at CNAO (National Center for Oncological Hadrontherapy, Pavia).
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Junjiang Liu (Tsinghua university)01/07/2026, 17:40
The paper presents an electronic thinning method for hybrid pixel detectors(HPD) used in electron microscopy. Theoretically, the spatial resolution of a pixel detector improves with decreasing pixel pitch. However, as the pixel size diminishes, a single incident particle may induce signals across multiple adjacent pixels caused by scattering, the charge-sharing effect makes it difficult to...
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Mr Tomonao Inoue (Rigaku Corporation)01/07/2026, 17:40
Recent advancements in X-ray sources and experimental techniques have increased the demand for area detectors capable of covering a wide X-ray energy range, including the soft and tender X-ray regime, while supporting efficient data acquisition. In particular, low-energy X-ray measurements impose stringent requirements on detector noise performance, stability, and vacuum compatibility.
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In... -
Jonathan Mulvey (Paul Scherrer Insitute)01/07/2026, 17:40
The newly upgraded Swiss Light Source (SLS) 2.0, a fourth-generation synchrotron, has begun
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operation. Photons with energies up to 80 keV will be available at increased flux compared to the
third-generation source it replaces. In particular, the brilliance is expected to increase by two orders of
magnitude. In this energy range, silicon is no longer an efficient detection material.... -
Dr Youngseok Lee (Korea Institute of Fusion Energy (KFE))01/07/2026, 17:40
Diamond-based detectors have gained significant attention in fusion neutron diagnostics owing to their outstanding radiation hardness, sub-nanosecond timing response, and capability for energy-resolved measurements [1,2]. In this study, neutron spectrometry experiments were conducted at the KSTAR tokamak using two geometrically distinct single-crystal diamond detector systems. Time-resolved...
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Yohan Shin (Inje University, College of Medicine)01/07/2026, 17:40
- Purpose
Lead halide perovskites (such as CsPbX₃) have been highly spotlighted in the field of solar cells due to their outstanding optoelectronic properties, including excellent charge-carrier mobility and high stopping power.[1] Recently, leveraging these exceptional radiation-responsive characteristics, they have begun to be investigated as novel real-time dosimetric materials in the...
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Hannah Patz (University of Florida)01/07/2026, 17:40
Particle discrimination is a valuable imaging detector capability for applications such as medical physics, environmental monitoring, decontamination, and nuclear forensics. Across these areas, samples can have complex matrices, and a large range of radioactivity levels, which present analysis and measurement challenges for digital autoradiography systems (e.g., knowing how long to measure and...
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Dr Bo Kyung Cha (KERI)01/07/2026, 17:40
Digital flat-panel detectors based on the indirect detection scheme commonly employ amorphous silicon TFT or silicon CMOS matrix arrays combined with a variety of scintillators and they are widely used in medical imaging, security screening, and nondestructive testing. Scintillators are essential components in indirect X-ray detectors, as they convert high-energy ionizing radiation, such as...
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Jiho Lee (Department of Foundry Engineering, Dankook University)01/07/2026, 17:40
Junmo Yang1, Jiho Lee1, Jibum Kim1, Jungwon Kang1,2*
1. Department of Foundry Engineering, Dankook University, Yongin-Si, 16890, Gyeonggi-Do, Republic of Korea
2. Department of Semiconductor Convergence Engineering, Dankook University, Yongin-Si, 16890, Gyeonggi-Do, Republic of Korea
* Corresponding author: jkang@dankook.ac.krThis study...
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Saverio Silletta (PSI)01/07/2026, 17:40
Resonant inelastic X-ray scattering (RIXS) imaging directly combines spatial and spectral information by targeting specific atoms within complex structures while remaining sensitive to multiple excitations simultaneously. To effectively measure the scattering spectra of many interesting materials a high spatial resolution in one dimension in the soft X-ray regime (<3 keV) on the detector is...
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Robert Astalos (Comenius University (SK))01/07/2026, 17:40
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment at the CERN Large Hadron Collider (LHC). It employs steel as the absorber material and plastic scintillators as the active medium. The High-Luminosity LHC (HL-LHC), scheduled to start operation in 2030, will deliver instantaneous luminosities significantly exceeding the...
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Matej Balušík (Institute of Nuclear and Physical Engineering, Slovak University of Technology in Bratislava)01/07/2026, 17:40
Low energy neutron spectrometry with Timepix3 SiC detectors
Silicon carbide (SiC) is attracting increasing interest as a sensor material due to recent advances in crystal growth technology and its substantial advantages over silicon, including a wide band gap and a high critical electric field for specific applications. In addition, its high displacement energy makes SiC particularly...
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Dr Bo Kyung Cha (KERI)01/07/2026, 17:40
X-ray detection plays a crucial role in medical imaging, industrial inspection, and security. At present, X-ray detectors are typically categorized into two types: direct conversion and indirect conversion methods. Semiconductor-based direct radiation detection, utilizing materials such as CdZnTe, CdTe, GaAs and metal halide perovskites, has rapidly advanced and demonstrated diverse...
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Erik Fröjdh (Paul Scherrer Institute)01/07/2026, 17:40
Single photon counting detectors revolutionized data acquisition at synchrotrons when they were introduced in the mid-2000s and quickly became ubiquitous at beamlines. We believe they will continue to play an important role for diffraction-limited light sources, even as the increased flux makes counting more challenging due to pulse pile-up in the analog front end.
Matterhorn is a new...
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Tae Min Hong (University of Pittsburgh (US))01/07/2026, 17:40
We present an implementation of edge AI to compress data on an in-memory analog content-addressable memory (ACAM) device. A variational autoencoder is trained on a simulated sample of energy measurements from incident high-energy electrons on a generic three-layer scintillator-based calorimeter. The encoding part is distilled into tabular format by regressing the latent space variables using...
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Ashish Bisht (Fondazione Bruno Kessler (FBK))01/07/2026, 17:40
Low-Gain Avalanche Diodes (LGADs) are typically fabricated on p-type substrates, following an n–p$^+$–p junction configuration, where a boron-doped layer forms the gain region.
This architecture is considered optimal for timing and particle-tracking applications since the primary charge carriers initiating the avalanche process are electrons, which feature higher drift velocity and...
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Julian Weick (CERN)01/07/2026, 17:40
The increasing integration density of silicon pixel sensors, together with emerging applications such as module-level power conversion and enhanced on-detector signal processing, significantly raises the demand for advanced thermal management solutions. Efficient heat removal at the module level is becoming a critical requirement for ensuring stable and reliable operation. In this work, we...
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Mr YOUNGHWAN LIM01/07/2026, 17:40
Digital tomosynthesis (DTS) is a limited-angle imaging technique that provides volumetric information at a fraction of computed tomography (CT) dose [1]. However, the restricted angular coverage inherently produces out-of-plane artifacts, degrading slice selectivity and contrast-to-noise ratio (CNR). Slice-thickness filtering (STF) applied after filtered back projection (FBP) reconstruction is...
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Mr DAICHI SATO (National Institute of Technology (KOSEN), Toyama College)01/07/2026, 17:40
Photon-counting computed tomography (PCCT) has attracted considerable interest as a next-generation medical X-ray imaging modality because of its high spatial resolution, intrinsic spectral sensitivity, and improved dose efficiency [1]. While current commercial PCCT systems mainly employ direct-conversion semiconductor detectors, indirect photon-counting detectors based on scintillators and...
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Fengwangdong Zhang (Universite Libre de Bruxelles (BE))01/07/2026, 17:40
Compared with the current LHC CMS tracker, the new CMS tracker of the High-Luminosity LHC is undergoing significant enhancements, including the development of a new silicon detector system with improved radiation hardness, higher granularity, and extended coverage up to a pseudorapidity of |η|∼4. In addition, the outer tracker (OT) will be equipped with two types of pT modules (2S and PS) that...
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Alhanouf Alrwais (1. Department of Materials, University of Manchester, Manchester, United Kingdom 2. Nuclear Technologies Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia)01/07/2026, 17:40
Spectral performance in hyperspectral X-ray imaging using the HEXITEC 6×2 detector system is optimised through systematic parameter tuning and spectral data processing. The approach aims to improve energy-resolved imaging and enhance the quality of spectral information.
Data acquisition and processing are carried out using the Odin software framework, with particular attention to parameters...
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Esteban Curras Rivera (EPFL - Ecole Polytechnique Federale Lausanne (CH))01/07/2026, 17:40
A new concept of tracking detector based on Scintillating Fibres (SciFi) read out with multichannel silicon photomultipliers (SiPMs) was installed during the upgrade I of the LHCb experiment at CERN. One of the main challenges that the SciFi tracker will face during its operation is the high radiation environment due to fast neutrons. In view of LHCb Upgrade II in 2033, the radiation levels...
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Chenzhuo Chang (IHEP)01/07/2026, 17:40
HEPS (High Energy Photon Source) is the first fourth-generation light source in China, featuring high-energy, high-luminosity X-rays. Since more than half of its end stations generate photon energies above 25 keV, high-Z detectors are essential. Additionally, advanced experiments such as X-ray Photon Correlation Spectroscopy (XPCS) and ultrafast dynamics studies necessitate detectors with high...
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Weigang Yin01/07/2026, 17:40
The China Spallation Neutron Source (CSNS) is currently upgrading to CSNS-II, increasing the proton beam power to 500 kW and constructing several new neutron spectrometers. The CSNS-II upgrade poses significant challenges for detector and electronics systems, including higher counting rate, improved position resolution requirement, and vacuum operating environment. In this paper, we present an...
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Marta Baselga (Technische Universitaet Dortmund (DE))01/07/2026, 17:40
Diamond detectors have been studied since long, its radiation hardness makes it appealing for beam monitoring application and its tissue equivalence makes it attractive for radiotherapy or dosimetry. Its low leakage current allows to operate diamond detectors without doping.
Single crystal diamond is vastly used, but to approach a most cost effective material, here a polycrystalline diamond...
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Dr Sonia Fernandez-Perez (DECTRIS)01/07/2026, 17:40
Over the last two decades, Hybrid Photon-Counting (HPC) pixel detectors have revolutionised and enabled a wide range of techniques at synchrotron light sources. These achievements are driven by their high frame rates, large dynamic range, radiation hardness, high DQE, and no noise associated with the readout operation [1]. However, the impact of HPC detectors has so far been largely confined...
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Sunghoon Choi (Electronics and Telecommunications Research Institute (ETRI))01/07/2026, 17:40
Speckle-based X-ray dark-field imaging is attractive because it can deliver small-angle scattering contrast with a comparatively simple optical setup, but quantitative modeling of weakly absorbing microstructures in hydrated environments still requires improved treatment of multiple refraction and unresolved ultra-small-angle X-ray scattering (USAXS). Building on the wave-optics simulation...
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379. R&D and performance studies of improved RPC detectors for the CMS muon system upgrade at HL-LHCGiulia Giannandrea (Pavia University and INFN (IT))01/07/2026, 17:40
Resistive Plate Chambers (RPCs) are gaseous detectors widely used in particle physics, for example, in the muon system of the CMS detector at the CERN Large Hadron Collider (LHC), as they provide fast timing information for efficient muon triggering. In view of the upcoming High-Luminosity (HL) LHC phase, an improved RPC detector (iRPC) has been developed to cope with the significantly higher...
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Prof. Gordana Lastovicka Medin (University of Montenegro (ME))01/07/2026, 17:40
This work investigates the impact of irradiation on the timing performance of 3D silicon devices and electric field and charge collection uniformity. The study is organized in two parts. First, the response of irradiated and non-irradiated double-sided 3D CNM devices is compared. Second, the performance of a 3D IMECAS device is analyzed when un-irradiated and irradiated; this device...
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Donya ahmadi (Vrije Universiteit Brussel (BE))01/07/2026, 17:40
Gaseous detectors play a crucial role in high energy physics experiments, yet their operation often relies on fluorinated gases with a very high Global Warming Potential (GWP). Resistive Plate Chambers (RPCs) operated in avalanche mode typically use high performance gas mixtures based on high-GWP F-gases such as C₂H₂F₄ and SF₆.
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As environmental concerns grow and regulations become... -
Mr Ritesh Verma (IIT Bombay)01/07/2026, 17:40
Photon scatter remains a major source of image degradation in Single Photon Emission Computed Tomography (SPECT), leading to reduced contrast recovery and quantitative accuracy. Conventional reconstruction frameworks typically reject these scattered events. This study investigates the utility of rejected scattered data as a "scatter-informed" initial estimate for Maximum Likelihood Expectation...
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Afonso Correia (University of Aveiro)01/07/2026, 17:40
Anger Cameras have been widely used in nuclear medicine, presenting, however, limitations in detection efficiency for higher photon energies and sensitivity due to the presence of a lead collimator. Compton Cameras (CC) are potential competitors, primarily because they improve sensitivity in imaging radioactive sources by eliminating the mechanical collimator. In a CC, physical collimation is...
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Katarína Foss (Institute of Nuclear and Physical Engineering, Slovak University of Technology, Ilkovičova 3, 841 04 Bratislava, Slovakia)01/07/2026, 17:40
Silicon carbide provides significant advantages as a radiation sensor, such as high radiation hardness and wide temperature operation, suitable for application in nuclear energy, accelerator physics research, particle therapy and outer space. Combined with the high spatial segmentation of pixel imagers and noiseless counting response of Timepix chip [1], high-resolution radiation measurement...
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Jibum Kim (Department of Foundry Engineering, Dankook University)01/07/2026, 17:40
Chanwoo Doo1, Jibum Kim1, Jiho Lee1, Jungwon Kang1, 2, *
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1. Department of Foundry Engineering, Dankook University, Yongin-Si, 16890, Gyeonggi-Do, Republic of Korea
2. Department of Semiconductor Convergence Engineering, Dankook University, Yongin-Si, 16890, Gyeonggi-Do, Republic of Korea
* Corresponding author:... -
Nikola Kurucová (Institute of Nuclear and Physical Engineering, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava)01/07/2026, 17:40
Timepix3 hybrid pixel detectors [1] are widely used in applications requiring precise radiation spectrometry, including space instrumentation [2], high-energy and nuclear physics [3] or neutron detection [4, 5], where detectors are frequently exposed to varying thermal conditions. Temperature fluctuations can influence the spectrometric response, affecting both the accuracy of energy...
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Ms Bhakti Kanulal Chitroda (University of New Mexico (US))01/07/2026, 17:40
The ATLAS experiment inner detector will undergo a complete replacement with the all-silicon Inner Tracker (ITk) during the 2027–2029 shutdown, in preparation for operation at the High-Luminosity Large Hadron Collider. The ITk pixel detector, forming the innermost tracking system, is designed to operate under unprecedented radiation levels and particle densities. Its innermost layer (Layer 0)...
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Davide Cristoforetti01/07/2026, 17:40
The High Luminosity upgrade of the Large Hadron Collider at CERN (HL-LHC) will provide unprecedented instantaneous and integrated luminosities of around 5 x 10$^{34}$ cm$^{-2}$ s$^{-1}$ and 3000/fb, respectively. The expected average of 140 to 200 collisions per bunch-crossing (pileup) represents a severe challenge for the detectors. The endcap part of the CMS calorimeters will be replaced by...
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Michele Cascella01/07/2026, 17:40
The MAX IV Synchrotron facility in Lund, Sweden, employs more than 30 X-ray detectors and cameras for the operation of its beamlines.
The most common drivers for the choice of a certain technology are the spatial and temporal resolution, and the energy range. Different detector typologies (imaging, energy sensitive...) and technologies (photon counting, charge integrating...) respond to...
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Debora Magalhaes Suarez (DESY)01/07/2026, 17:40
Two pad sensors of high-flux CdZnTe grown by Redlen Technologies with different anode metallization (platinum and titanium-gold) were characterized under direct X-ray beam in P07 beamline at Petra III, during 40-bunch mode operation. A Transient Current Technique (TCT) readout setup from the University of Hamburg [1] was used, with a homemade Bias-T, a Femto 40 dB 2GHz amplifier and a...
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Karam Kaspar (Ghent University (BE))01/07/2026, 18:00
The High-Luminosity LHC upgrade will require detector systems capable of operating in unprecedented particle rates and radiation environments. To meet these challenges and maintain efficient muon triggering and reconstruction, new Gas Electron Multiplier (GEM) ME0 detectors will be installed in the forward region of the CMS experiment, complementing the already installed GE1/1 GEM detectors...
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silvia cipiccia (University College London)02/07/2026, 09:00Invited presentation
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Andrew Coathup (Henry Royce Institute, Department of Materials, University of Manchester ; National X-ray Computed Tomography (NXCT), University of Manchester)02/07/2026, 09:30Oral presentation
A 2 x 6 HEXITEC (High Energy X-ray Imaging Technology) detector has been developed through a collaboration between STFC (Science and Technology Facilities Council) and NXCT (The UK’s National Research Facility in X-ray Computed Tomography). HEXITEC is a direct-conversion CdTe-based hyperspectral X-ray detector that features an 80 x 80 pixel array with a 250 µm pixel pitch [1]. The 2 x 6...
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Simone Velardita02/07/2026, 09:50Oral presentation
Developed within the Medipix4 Collaboration, the Timepix4 ASIC is a versatile hybrid pixel detector featuring a 448×512 pixel matrix with 55 µm pitch and supporting both data-driven and frame-based readout [1], making it suitable for photon-counting and spectrally resolved imaging. This contribution describes the implementation and performance evaluation of Timepix4 assemblies equipped with...
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Giuseppe Montemurro02/07/2026, 10:10
The novel ASIC Ermine is a photon counting chip specifically designed for laboratory applications. It has an active area of 19.2mm x 14.4mm, organized in a matrix of 256 x 192 pixels with a 75um pitch. The ASIC’s two-side buttable design allows for larger sensitive areas when wider angular coverage is needed. The readout electronics allows for both positive and negative signal polarity,...
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Antonio Cassese (INFN, Firenze (IT))02/07/2026, 11:00
The DC Resistive Silicon Detector (DC-RSD) is based on thin LGAD sensors with a resistive DC-coupled readout, providing internal gain and intrinsic charge sharing. This architecture enables excellent 4D tracking capabilities while maintaining reduced granularity.
The first production of such innovative devices, DC-RSD1, comprises matrices of elementary cells with varying geometries and...
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Benedetta Gianfelici02/07/2026, 11:20
The HASPIDE (Hydrogenated Amorphous Silicon Pixel Detectors) project at the National Institute for Nuclear Physics (INFN) focuses on the development of thin hydrogenated amorphous silicon (a-Si:H) detectors on flexible substrates for applications in medical imaging, space environments, beam monitoring, and neutron detection.
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a-Si:H is a well-established detector material, known for its... -
Debora Magalhaes Suarez (DESY)02/07/2026, 11:40Oral presentation
A high-flux, 2mm thick CdZnTe sensor from Redlen Technologies bonded to 4 electron-collecting AGIPD ASICs [1] was extensively characterized with a 73 keV beam at P07 beamline at Petra III. The storage ring was in 40-bunch mode operation (5.2 MHz), and the detector was configured to collect 5 bunches per frame (acquisition time of 960 ns). The synchronization was regulated by the bunch clock at...
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Florent Dougados (Consejo Superior de Investigaciones Cientificas (CSIC) (ES))02/07/2026, 12:00
Spectral responsivity and photon quantum efficiency of p and n type LGAD sensors for UV, visible and IR light for photonic applications
Florent Dougados1,*, Pablo Fernández-Martínez1, Mateusz Rebarz2, Milos Manojlovic1, Jairo Villegas1, Giulio Pellegrini1, Salvador Hidalgo1, Neil Moffat1
- Radiation Detectors...
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Karel Desplenter
Hyperspectral X‑ray imaging has the potential to enable quantitative material discrimination, chemical decomposition, and concentration measurements based on spectral attenuation behavior.
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We investigate how recorded X ray beam spectra are modified by material attenuation and how detector and processing related effects influence spectrally resolved attenuation measurements in hyperspectral...
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