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Stanislav Pospišil (CTU in Prague)31/08/2026, 09:45Invited talk
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Dr Liliana Congedo (INFN Bari (IT))31/08/2026, 10:25
In order to exploit the physics opportunities of the HL-LHC era, the LHCb Collaboration is proposing the Upgrade II of the apparatus. The Muon system, currently exposed to particle rates below 100kHz/cm2, aims at sustaining increased rates up to about 1MHz/cm2 under the operating conditions expected for the Upgrade II. Therefore, for the most exposed inner regions, new detectors with high rate...
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Jakob Quentin Krauss (University of Bonn (DE))31/08/2026, 10:45
Triple-GEM detectors are widely used as tracking detectors in modern particle physics experiments. Typically, a Passive Voltage Divider (PVD) is used to define the electrode potentials from a single input. This circuit generates the required potentials through a resistor chain and limits the current in case of a shorted segment through its high output impedance on the order of MΩ. Under...
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Maxim Alexeev (Universita e INFN Torino (IT))31/08/2026, 11:25
The Apparatus for Mesons and Baryon Experimental Research (AMBER, NA66) is a high-energy physics experiment at CERN’s M2 beam line at the Super Proton Synchrotron (SPS). Its broad physics program extends beyond 2032. Measurements of the anti-proton production cross-section on He, proton, and Deuterium to support the dark matter searches, the charge-radius of the proton to contribute to the...
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Damien Neyret (CEA IRFU, Université Paris-Saclay (FR))31/08/2026, 11:45
The Sao Paulo University and the CEA Saclay IRFU teams are developing a new readout ASIC for MPGD detectors, named SALSA. This ASIC is meant to be versatile and adapted to different kinds of MPGD applications like tracking, time projection chambers or photon detection. The 64-channel chip, designed in the TSMC 65nm technology, will integrate preamplifier and shaper front-ends with 12-bit per...
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Bartłomiej Łach (AGH University of Krakow)31/08/2026, 12:05
This contribution presents the development of a new data acquisition (DAQ) system dedicated to the readout of Gas Electron Multiplier (GEM) detectors. The system is an evolution of a previously developed FPGA-based readout architecture [1], which has been successfully used in various applications with GEMs. Due to the obsolescence and unavailability of the FPGA device employed in the original...
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Huirong Qi (Institute of High Energy Physics, CAS)31/08/2026, 12:25
The Circular Electron Positron Collider Technical Design Report (TDR), as a Higgs and high luminosity Z factory, has been released in 2023 and 2025 at Institute of High Energy Physics, CAS in China. The baseline design of a detector concept consists of a large 3D tracking system, which is a high precision (about 100μm) spatial resolution Time Projection Chamber (TPC) detector as the main track...
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Jerry Va'vra (SLAC ret.)31/08/2026, 14:00
The talk describes the progress in high-resolution timing, rate capability and aging performance over past 25 years. It concentrates on recent developments in MCP, SiPM, LGAD, 3D trench Si and SiEM detectors and compares them to gas detectors.
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Florian Maximilian Brunbauer (CERN)31/08/2026, 14:40
Scintillation light recording is a versatile readout approach for MPGDs which exploits the high granularity of pixellated imaging sensors or the high sensitivity and time resolution of photomultiplier tubes (PMTs). As an alternative to camera- or PMT-based optical readout, we report on the optical readout of GEMs and Micromegas with silicon photomultipliers (SiPMs). The compact dimensions,...
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Dr Lindsey Bignell (Department of Nuclear Physics and Accelerator Applications, The Australian National University)31/08/2026, 15:00
Camera-based readouts for time projection chambers (TPCs) are an appealing means of measuring low-energy particle tracks, with low cost per channel, high resolution, and isolation of the readout from the gas volume. We have recently developed an optical TPC with an intensified camera-based readout, called CYGNUS-n, as a test platform for rare-event physics TPCs and other TPC measurement...
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Elisavet Fasoula (Université Paris-Saclay (FR))31/08/2026, 15:20
Conventional Micromegas detectors are typically based on charge readout, which requires a complex electronic chain and becomes increasingly demanding for large-area and high-granularity requirements. As an alternative, optical readout Micromegas detectors use cameras and optical elements to record the scintillation light produced during avalanche multiplication.
Such detectors have...
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Bernd Schoenfelder (Technische Universitaet Wien (AT))31/08/2026, 15:40
Scintillation light recording is a versatile readout approach for MPGDs which exploits the high granularity of pixelated imaging sensors and can provide additional feedback for beam monitoring applications.
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As an alternative to wirechamber-based beam profile and position monitoring, we report on the readout of GEM-based detectors using CMOS- and CCD cameras.
This approach enables semi-online... -
Abhijit Pal (Adamas University), PURBA BHATTACHARYA (Adamas University, Kolkata, India)31/08/2026, 16:50
Radiation dosimetry and radiation therapy are closely related because precise therapy requires precise measurement of the interaction of radiation with biological tissues. Early attempts to understand cellular radiation effects recognized that knowledge of the energy distribution at a scale comparable to the structures affected by irradiation was essential. It turned out that the microscopic...
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Shubhabrata Dutta (Atomic, Nuclear and High Energy Physics Group, Saha Institute of Nuclear Physics, A CI of Homi Bhabha National Institute, 1/AF Block, Bidhannagar, Kolkata 700064, West Bengal, India.), Saikat Ghosh (Atomic, Nuclear and High Energy Physics Group, Saha Institute of Nuclear Physics, A CI of Homi Bhabha National Institute, 1/AF Block, Bidhannagar, Kolkata 700064, West Bengal, India.)31/08/2026, 17:10
Micromegas detectors are a cornerstone of modern high-rate tracking and imaging applications, including muon tomography, where precise spatial resolution and stable operation are essential for accurate trajectory reconstruction. While conventional (non-resistive) Micromegas detectors offer excellent signal localization, they are susceptible to discharges under high-rate conditions. Resistive...
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Xu Wang (University of Science and Technology of China (CN))31/08/2026, 17:30
The Super Tau-Charm Facility (STCF) is the next-generation electron-positron collider proposed by China, featuring a center-of-mass energy range of 2-7 GeV. To meet the high-precision particle identification requirements of the STCF, Ring Imaging Cherenkov (RICH) detectors have been extensively studied. The photodetector for the RICH system is required to possess high gain and large-area...
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Ioannis Karakoulias31/08/2026, 17:50
PICOSEC MicroMegas (PICOSEC-MM) is a high precision timing Micro Pattern Gaseous Detector (MPGD) developed to reach time resolutions on the order of a few tens of picoseconds. Its operation is based on detecting Cherenkov light generated in a crystal radiator. The ultraviolet photons produced are converted into photoelectrons by a photocathode, and the signal is subsequently formed through a...
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Martin Vavřík (IEAP CTU)31/08/2026, 18:10
In this work, we describe the development of track- and energy-reconstruction algorithms for atypical Time Projection Chambers (TPCs) that will be used at the Institute of Experimental and Applied Physics, Czech Technical University in Prague, to search for the ATOMKI anomalous internal pair–creation phenomenon. These chambers operate with an inhomogeneous toroidal magnetic field oriented...
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Michael Campbell (CERN)01/09/2026, 09:00
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Julien PANCIN (GANIL)01/09/2026, 09:40
New facilities like FAIR at GSI or SPIRAL2 at GANIL, will permit to provide radioactive ion beams at low energies (less than 10 MeV per nucleon). Such beams have generally a large emittance, which requires the use of beam tracking detectors to reconstruct the exact trajectories of the nuclei. To reduce the angular and energy straggling that classical beam tracking detectors would generate in...
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Soham Chakraborty01/09/2026, 10:00
The micro-Resistive WELL (μ-RWELL) is a state-of-the-art Micro-Pattern Gaseous Detector combining high gas gain with intrinsic spark-suppression in a single amplification stage. Its design versatility and robust performance make it well suited for use in various fields of study such as nuclear, particle, and dark matter physics, as well as medical and nuclear security applications. This work...
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Philippe Gros01/09/2026, 10:20
NEWS-G is an experiment searching for dark matter using Spherical Proportional Counters (SPCs). SPCs are low capacitance detectors which allow the detection of gas ionisation with very low (single electron) thresholds. It consists in a grounded metal sphere with a small sensing anode at the center, creating a radial electric field. Its low capacitance, and the possibility to use low mass...
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Emma Di Fiore (Universita e INFN, Ferrara (IT))01/09/2026, 11:30
The ongoing R&D program focuses on optimizing both the detector and the readout electronics to meet stringent system requirements. Various readout architectures are currently under investigation, including a novel µ-RWELL layout featuring a double DLC layer, designed to increase the charge spread by leveraging a lower resistivity while keeping an high resistivity to quench the discharges....
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Qixuan Huang (University of Science and Technology of China (CN))01/09/2026, 11:50
The μRGroove is a novel micro-pattern gaseous detector with a resistive micro-groove amplification structure. A cylindrical μRGroove (c-μRGroove) detector was developed for inner tracking application in future electron-position collider experiments, such as the Super Tau-Charm Facility. Its spatial resolution in strong magnetic field is a key figure of merit for evaluating tracking...
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Michela Greco (INFN-UniTO)01/09/2026, 12:10
The CGEM-IT detector is the new inner tracker of the BESIII experiment, hosted at IHEP, Beijing. Developed by an international collaboration led by INFN, it consists of three layers of cylindrical triple-GEMs, and its $\sim10000$ channels are read out by an innovative electronics based on TIGER/GEMROC. After the installation in late 2024, the CGEM-IT underwent a commissioning run with cosmics...
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Valerio D'Amico (Ludwig Maximilians Universitat (DE))01/09/2026, 12:30
With the transition to Run 3 and in preparation for the High-Luminosity LHC, the ATLAS muon system has undergone major upgrades, most notably the installation of the New Small Wheel (NSW), replacing the innermost endcap stations of the Muon Spectrometer. Installed during the 2020–2021 Long Shutdown and commissioned in 2022, the NSW has now been fully operational for over three years.
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The NSW... -
Rui De Oliveira (CERN)01/09/2026, 14:00Invited talk
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Francesco Debernardis (Universita e INFN, Bari (IT))01/09/2026, 14:40
Future high-energy experiments require advanced gaseous detectors combining excellent spatial and time resolution with high-rate capability and robustness in harsh radiation environments. The μ-RWELL, a single-stage resistive Micro-Pattern Gaseous Detector (MPGD) developed by the authors, achieves typical gas gains of 2×10^4, spatial resolution better than 100 μm, and time resolution in the...
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Elena Sidoretti01/09/2026, 15:00
ePIC will be the first experiment at the upcoming Electron-Ion Collider (EIC) at Brookhaven National Laboratory. It will enable precision studies of nucleon and nuclear structure, addressing key open questions on confinement and on the behaviour of QCD in the non-perturbative regime.
The ePIC detector is designed to ensure large acceptance and excellent tracking performance. In the endcap...
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Prof. Huong Nguyen (University of Virginia (US))01/09/2026, 15:20
Large-area Micro-Pattern Gas Detectors (MPGDs) are key components of major upcoming physics programs at Jefferson Lab (JLab). Various large-area GEM trackers have been developed and constructed for two highly ranked experimental programs at JLab: PRad-II/X17 in Hall B and MOLLER in Hall A. By combining high-granularity tracking with transition radiation capabilities for particle...
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Jochen Kaminski (University of Bonn (DE))02/09/2026, 09:00Invited talk
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Stefano Piacentini02/09/2026, 09:40
We are going to present the CYGNO experiment whose goal is the development of a high precision optical readout gaseous TPC for directional Dark Matter search and solar neutrino spectroscopy, to be hosted at Laboratori Nazionali del Gran Sasso (LNGS). CYGNO (a CYGNus TPC with Optical readout) fits into the wider context of the CYGNUS proto-collaboration, for the development of a Galactic...
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Qian Liu02/09/2026, 10:00
We present a dedicated gas pixel micro-pattern gaseous detector (MPGD) developed for the direct observation of the Migdal effect. This detector integrates a gas microchannel plate (GMCP) and a high-resolution charge-sensitive pixel chip, using a He-DME gas mixture as the working medium. It features low noise, outstanding position resolution, and precise track and vertex imaging performance,...
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Ana Quintana García02/09/2026, 10:20
The TREX-DM experiment is a high-pressure Time Projection Chamber, located at Canfranc Underground Laboratory (LSC), designed for the direct search of WIMPs in the low-mass region. For the detection of these rare interactions, ultra-low background levels and a low energy threshold are required. TREX-DM meets these criteria by operating a TPC filled with neon- (or argon-) based mixtures with a...
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Ryota Namai (Kobe University)02/09/2026, 10:40
The sensitivity of the direct dark matter search is being improved by various energy-sensitive experiments, such as dual-phase liquid xenon TPCs. In parallel, direction-sensitive dark matter searches are designed and taken place to reveal properties of the dark matter particle after its discovery or to explore beyond the neutrino fog.
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NEWAGE is a direction-sensitive WIMP search with a... -
Antonello Pellecchia (Universita e INFN, Bari (IT))02/09/2026, 11:20
Experiments at proposed future Higgs factories, such as the FCC-ee and the Muon Collider, will require excellent energy resolution to discriminate hadronic decays of W/Z and Higgs bosons effectively. To meet this target, calorimeters must feature a high granularity readout, essential for Particle Flow reconstruction. We present progress on the development of a hadronic calorimeter (HCAL) read...
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Fabio Bossi02/09/2026, 11:40
The PADME experiment (Positron Annihilation into Dark Matter Experiment), at the Laboratori Nazionali di Frascati
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Beam Test Facility,
is designed to search for light dark sector particles in positron-on-target interactions.
Among its physics goals is the investigation of anomalies in leptonic final states, such as the excess in the
e+e− → e+e− channel seen in the data collected in the... -
Daniele D'Ago (Universita e INFN, Padova (IT))02/09/2026, 12:00
As a part of the upgrade of ND280, the off-axis detector of the T2K experiment, two new gaseous Time Projection Chambers (TPCs) have been installed above and below the active target to enhance the tracking of particles emitted at a large angle with respect to the beam direction. The two TPCs are equipped with 16 Encapsulated Resistive Anode Micromegas (ERAMs) each. The upgrade was completed in...
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Prof. Zhiyong Zhang (USTC)02/09/2026, 12:20
Low-pressure time projection chambers (TPCs) are essential for precision measurements of low-cross-section nuclear reactions in nuclear astrophysics, as they enable excellent tracking, particle identification, and background suppression. However, conventional TPCs face challenges under low-pressure and high-rate conditions, including insufficient gain, severe ion backflow (IBF), and...
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Paolo Soffitta02/09/2026, 14:00Invited talk
After more than 10 attempts to fly an X-ray polarimeter, aimed at revitalizing the field, with early efforts based on Bragg diffraction and Thomson scattering and yielding a single positive (and fundamental) result in the mid-1980s, the innovative use of the photoelectric effect in gas detectors led to the development of the Gas Pixel Detector, specifically designed for astronomical...
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Marco Cortesi (Michigan State University (US))02/09/2026, 14:40
We present recent advances in novel gas avalanche detector concepts developed for applications at the Facility for Rare Isotope Beams (FRIB). We report on the development of Multi-layer Thick Gas Electron Multiplier (M-THGEM) structures as readout systems for the tracking detector at the focal plane of the S800 spectrometer, alongside the design of an enlarged drift chamber for the upcoming...
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Davide Raspino02/09/2026, 15:00
The MUSHROOM instrument is a novel low energy indirect geometry neutron spectrometer being developed at the ISIS Neutron and Muon Source within the Endeavour Programme. It aims to deliver a significant gain in neutron flux and detection efficiency for studies of low energy excitations, placing stringent requirements on detector technology in terms of efficiency, spatial resolution, rate...
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Prof. Paolo Maestro (Universita & INFN Pisa (IT))02/09/2026, 15:20
The SONGS (SOlar Neutron Gaseous Spectrometer) project aims to develop an innovative fast neutron spectrometer based on proton tracking within a Micro-Pattern Gaseous Detector (MPGD), with potential application as a solar physics probe in Low Earth Orbit.
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Solar fast neutrons, produced by interactions between solar energetic particles and the solar atmosphere, provide a direct probe of... -
Davide Fiorina (GSSI & INFN LNGS), Stefano Piacentini02/09/2026, 15:40
We report on gaseous detector developments for hard X-ray polarimetry in space, on two complementary fronts. First, we present the status of the EXPO (Enhanced X-ray Polarimetry Observatory) payload, a proposed ESA M-class mission extending IXPE's heritage with a 2–35 keV broadband polarimetric capability. EXPO employs five GridPix photoelectric polarimeters — two Low Energy Polarimeters...
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Dr Dong Hyun Kim (University of Seoul & Kyungpook National University (KR))02/09/2026, 16:50
Since 2011, Korea-CMS (KCMS) has received GEM Foil production technology transfer from CERN RD-51 and has collaborated with Mecaro Co., Ltd. on Research and Development. A large GEM foil, ranging in size from 10 cm² to over 1 meter in length, was produced and supplied to the laboratory. In recognition of these achievements, a Memorandum of Understanding was signed with CERN CMS in 2019 to...
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Inseok Yoon (Seoul National University (KR))02/09/2026, 17:10
As one of the few facilities globally capable of large-area GEM production alongside CERN MPT, the Korean MPGD infrastructure has recently achieved a major milestone. Late last year, we successfully completed the mass production of 1,040 high-quality GEM foils as the second supplier for the CMS Phase-2 upgrade. Building upon this extensive experience in large-scale manufacturing and quality...
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Satoko Iwata (Tokyo University of Science / RIKEN)02/09/2026, 17:30
Liquid-crystal-polymer gas electron multipliers (LCP-GEMs) have been used in X-ray astronomy missions. We developed the Xe-based GEM detector Gas Multiplier Counter (GMC) for the 2–50 keV CubeSat X-ray observatory NinjaSat. For the successor mission NinjaSat-2, we investigated pre-launch GEM-foil creep during thermal-cycle testing as a possible cause of foil deformation and geometry-induced...
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Karl Jonathan Floethner (CERN)02/09/2026, 17:50
The CERN MPT workshop operates a magnetron sputtering machine to develop thin-film resistive and metallic coatings for Micro-Pattern Gaseous Detectors (MPGDs). The three main base materials are: DLC, DLC+ (DLC/Ti/Cu), and double-sided DLC++. Process optimisation has recently replaced Cr with Ti as an adhesion layer, improving etching control and reproducibility. At the end of 2025, the first...
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Stephan Aune (CEA Saclay)02/09/2026, 18:10
The search for the hypothetical X17 boson has motivated the design of the MX17 experiment at the CERN n_TOF facility. To accurately reconstruct the coincident e+ e- pairs associated with this search, we have developed a large-area Micromegas detectors at CEA Saclay. These detectors feature a 40 x 40 cm² active area and are designed to provide good spatial resolution while operating under the...
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Gregor Kramberger (Jozef Stefan Institute (SI))03/09/2026, 09:00Invited talk
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Mr Diego Rodas Rodriguez (Astrocent /CAMK PAN)03/09/2026, 09:40
In this work we report the initial results of for a ultra-cold argon gas Time Projection Chamber (Ar-TPC) demonstrator developed at Astrocent, instrumenting both primary (S1) and secondary (S2) scintillation signals using a single optical readout plane, blind to Ar scintillation. This milestone represents a significant step forward in the development of compact, high-performance Ar-TPC...
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Marta Lisowska (CERN)03/09/2026, 10:00
The PICOSEC Micromegas detector is a precise-timing gaseous detector based on a Cherenkov radiator, a semi-transparent photocathode and a Micromegas amplification structure, targeting a time resolution of tens of picoseconds for minimum ionising particles. Single-pad prototypes have demonstrated excellent timing performance and ongoing developments aim to adapt the concept for physics...
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Kunyu Liang03/09/2026, 10:20
Gaseous photomultiplier tubes (gas-PMTs) based on micro-pattern gaseous detectors for visible light detection have been widely investigated due to their compelling advantages. These include cost-effective large-area coverage, high spatial and time resolution, and resistance to magnetic fields. However, visible light photocathodes are highly chemically reactive and suffer from severe...
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Matteo Brunoldi (Pavia University and INFN (IT))03/09/2026, 11:30
Picosec-Micromegas (Picosec-MM) is a precise-timing Micro-Pattern Gaseous Detector (MPGD) designed to achieve a time resolution at the level of tens of picoseconds. Its performance relies on the detection of Čerenkov light produced in a crystal radiator. The emitted UV photons are converted into photoelectrons by a photocathode, and the resulting signal is produced through a two-stage...
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Stefania Juks (Université Paris-Saclay (FR))03/09/2026, 11:50
The µRWELL detector, a novel Micro-Pattern Gaseous Detector (MPGD) technology, uses a gas mixture of Ar/CO$_2$ (3:1) and 40% CF$_4$, where CF$_4$'s high electron drift velocity enables time resolution in the order of nanoseconds (ns). CF$_4$ is a potent greenhouse gas, with a Global Warming Potential (GWP) ~7,000 times that of CO$_2$, and is subject to the EU F-Gas Regulation, with a...
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Dylan Neff (The University of Manchester (GB))03/09/2026, 12:10
The X17 is a hypothetical light boson (${\sim}17\,\text{MeV}/c^2$) proposed to explain anomalous $e^+e^-$ pair excesses observed in nuclear de-excitation decays at ATOMKI. No independent experiment has yet definitively confirmed or refuted the anomaly. We present the first search for X17 using a neutron beam, conducted at CERN's n_TOF facility (EAR2). Neutron capture on a pressurized...
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Alexandra Kallitsopoulou (CEA / IRFU / Université Paris-Saclay (FR))03/09/2026, 12:30
The P2 experiment at MESA (Mainz) aims to measure the weak mixing angle at low momentum transfer via parity-violating electron scattering off protons at an unprecedented precision. A key experimental challenge is the characterization and suppression of backgrounds in the backward-scattering regime, dominated by photon-induced signals in the 50–150 keV range. The BASKET tracker — a dedicated...
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Oliver Kortner (Max Planck Society (DE))04/09/2026, 09:00Invited talk
In recent years, gaseous ionization detectors have gradually been displaced in the LHC experiments and were mainly considered for muon systems because of their cost advantage for instrumenting large detector areas. However, in the context of future high-intensity and high-energy electron–positron colliders, these technologies are currently experiencing a renaissance. They are being considered...
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Eshita Vinay Kumar (Ludwig Maximilians Universitat (DE))04/09/2026, 09:40
MICRO MEsh GAseous Structure (Micromegas) detectors are micro-pattern gaseous detectors with excellent spatial resolution due to their small scale readout pitch and high rate capability due to small amplification gaps and the fast evacuation of positive ions. However, large-scale detectors with pixel-readout need thousands of readout channels, which leads to increased cost, power consumption,...
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Luca Baldini04/09/2026, 10:00
We report on the development of a monolithic Gas Pixel Detector featuring an on‑chip integrated charge multiplication stage. The detector is built around a custom CMOS ASIC with 100,000 pixels arranged in a 50 µm‑pitch hexagonal matrix, providing fine spatial granularity and uniform charge collection. Gas amplification is implemented through micro‑patterned structures integrated directly on...
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Marco Poli Lener (INFN e Laboratori Nazionali di Frascati (IT))04/09/2026, 10:20
Among single-stage resistive MPGD technologies, the μ-RWELL, developed at the Laboratori Nazionali di Frascati (LNF), has evolved into a versatile detector concept with multiple layouts optimized for both low and high-rate applications. It is currently proposed for the upgrade of the innermost regions of the LHCb muon system at the LHC, as well as for tracking applications in several regions...
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Gabriele Croci (Universita & INFN, Milano-Bicocca (IT))04/09/2026, 11:00
The Neutral Beam Test Facility in Padova, Italy, is the site where the development of the Neutral Beam Injector (NBI) for the ITER tokamak is being carried out. In this context, the Megavolt ITER Injector and Concept Advancement (MITICA), the full-scale prototype of the NBI, is currently in the installation and commissioning phase. The system aims at producing neutrals with energies up to 1...
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Guofeng Song (University of Science and Technology of China)04/09/2026, 11:20
We propose a transition radiation detector (TRD) prototype based on a µRGroove detector for electron/hadron separation at the EIC. The µRGroove detector is a micropattern gaseous detector (MPGD) with excellent gain uniformity, high rate capability, discharge robustness, and good spatial resolution. The TRD uses a µRGroove detector with a 10 × 10 cm² active area and a 4 cm drift gap. Signals...
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Matteo Giovannetti (INFN e Laboratori Nazionali di Frascati (IT))04/09/2026, 11:40
The Multi Wire Proportional Chambers (MWPC) have found wide application due to their ability to instrument large areas, with a rate capability of up to a few hundred kHz/cm^2. While MWPCs remain a robust solution today, their scalability is limited by the time-consuming wire-stringing process and the decreasing availability of expertise. This significantly increases production cost for large...
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04/09/2026, 12:20Invited talk
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Tanner PolischukSimulation and softwarePoster
The operational parameters of gaseous detectors have historically been dictated by the noise level of the readout electronics. Using detailed simulations, we demonstrate that an ultra-low-noise pixelated ASIC, coupled to an integrated-grid amplification structure, could unlock an entirely new performance regime: High-efficiency single-electron detection at reduced electric field strengths. Our...
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Michal Adam Jagielski (National Centre for Nuclear Research (PL))Simulation and softwarePoster
Hard X-ray (HXR) bremsstrahlung radiation in tokamaks exhibits strong penetration through the detector shielding and can bypass pinhole-based optical path designed for soft X-ray (SXR) radiation. This can lead to measurable response of the detector to high energy part of the spectrum despite much lower emission intensities in that range. HXR radiation typically leaves only a fraction of its...
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peng zhuElectronicsPoster
The China Spallation Neutron Source Phase II (CSNS-II) upgrade introduces significant complexity to the accelerator complex, incorporating a superconducting Linac, a Fixed Field Alternating Gradient (FFAG) accelerator, a Muon source, and high-energy proton application lines. To accommodate the requirements of multi-mode beam supply and rapid beam extraction switching mechanisms (referred to as...
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Alessandro Lega (INFN)MPGD technologiesPoster
Plasma‑based etching techniques have recently been proposed as an alternative to conventional wet‑ and laser‑etch processes for Gas Electron Multiplier (GEM) fabrication, driven by the need for improved control in process stability, homogeneous dielectric structuring, aspect ratio, and dielectric charging effects, particularly for Gas Pixel Detector (GPD) applications. Initial studies...
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Jorge Porrón LafuenteApplicationsPoster
The International Axion Observatory (IAXO) is a next-generation axion helioscope designed to search for solar axions by converting them into X-rays in a strong magnetic field via the Inverse Primakoff Effect. To detect these rare signals, the experiment requires X-ray detectors combining ultra-low background levels with low energy thresholds. Several detection technologies are being explored...
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Lorenzo Maria Marcellino (Universita e INFN Torino (IT))ElectronicsPoster
In the context of the Physics-Beyond Colliders initiative at CERN, AMBER (NA66) is a fixed-target experiment at M2 beam line of the SPS, devoted to various fundamental QCD measurements. Several upgrades of the spectrometer are planned for the medium and long-term AMBER program. Among the R&D plans, part of the COMPASS Multi-Wire Proportional Chambers (MWPCs) will be replaced to address their...
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Cong LiuMPGD technologiesPoster
Optical readout Micromegas detectors offer high spatial resolution and simplify readout electronics by directly imaging avalanche-induced scintillation light, making them attractive for various applications, including dark matter search and rare event detection. However, long-term stability under high-rate or continuous operation remains a critical challenge due to discharge risks and gain...
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Dr Lunlin Shang (Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences)MPGD technologiesPoster
Particle tracking in high-energy physics experiments requires tracking detectors with large sensitive area, good spatial resolution, and high counting rate capability. This contribution presents research and development on large-area, high-performance micro-Resistive Groove (μRGroove) detectors. Two μRGroove detectors with fast-grounding line arrays and sensitive areas of 50 cm × 50 cm and 100...
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Konstantinos Spyrou (University of Bonn (DE))ApplicationsPoster
The GridPix detector, based on the Timepix chip, is traditionally used in TPC-like configurations with the pixel chip oriented parallel to the incoming particle direction. In this contribution, we present an alternative application developed in the context of a feasibility study for a potential FASERν detector upgrade. We report on test beam campaigns conducted at the ELSA accelerator in Bonn,...
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Seulgi Kim (University of Seoul (KR))Detector PhysicsPoster
Gas Electron Multiplier detectors show excellent performance in high rate environment. However, their operation is still limited by electrical discharges. Various sources contribute to discharge formation, including manufacturing defects, dust contamination, space charge effects, and externally induced conditions. These discharges can affect detector longevity, stability, and efficiency,...
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Ms Eliška Jelínková (CERN)MPGD technologiesPoster
High-granularity pixel readouts such as the Timepix4 ASIC are increasingly important in gaseous detectors, as they enable precise spatial and temporal measurements, allowing fine pattern reconstruction and detailed studies of charge transport properties. Micro-Pattern Gaseous Detectors (MPGDs) provide the matching excellent spatial resolution, along with flexible gas amplification structures,...
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Daniel Estevao (Universidade de São Paulo)Production techniquesPoster
Gaseous Electron Multipliers (GEMs) are conventionally manufactured through photolithographic and chemical etching processes, which are highly effective for large-area production but can become costly and less practical for small-scale prototyping and laboratory testing. To address the local demand for rapid and low-cost GEM fabrication, an alternative production route based on laser ablation...
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Oliver Kortner (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (D)
In recent years, gaseous ionization detectors have gradually been displaced in the LHC experiments and were mainly considered for muon systems because of their cost advantage for instrumenting large detector areas. However, in the context of future high-intensity and high-energy electron–positron colliders, these technologies are currently experiencing a renaissance. They are being considered...
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Diego Gonzalez Diaz (Universidade de Santiago de Compostela (ES))Simulation and softwarePoster
Gaseous wavelength shifting (GWS) plays a key role in the optical readout of modern micropattern gaseous detectors (MPGDs).
It is closely analogous to Penning transfer, although occurring between excited states. In principle, GWS enables the use of minute
additive concentrations to tailor both the spectrum and intensity of gas scintillation.Indirect, mostly qualitative evidence...
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Tim Schuttler (University of Bonn (DE))Production techniquesPoster
Gas Electron Multipliers (GEMs) play a crucial role as amplification stages in modern gaseous detectors, offering high spatial and temporal resolution at moderate cost, even at large sizes and high particle rates. By utilizing a $50\,\mu\mathrm{m}$ thin polyimide foil, cladded on both sides with $5\,\mu\mathrm{m}$ of copper and patterned with a large number of microscopic holes, GEMs allow for...
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Ajay Kumar (Banaras Hindu University)Simulation and softwarePoster
The Quadruple Gas Electron Multiplier (QGEM) detectors, employing cascaded GEM foils, achieves high effective gain while reducing the risk of electrical discharges due to operation at relatively low voltage. The resulting high gain improves the signal to noise ratio, enabling efficient detection of even small ionization events. This structure also suppresses ion backflow into the drift volume,...
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Andrea Foresi (Universita Siena & INFN Pisa (IT))ApplicationsPoster
A detector sensitive to low-energy ions is under development for applications requiring high sensitivity to weak ionization signals, including space plasma studies, fusion plasma diagnostics, and direct dark matter searches. The instrument is based on bulk resistive MICROMEGAS technology, a micro-pattern gaseous detector widely employed in high-energy physics and capable of measuring deposited...
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Mohammad Mondal (Indian Institute of Technology Mandi - IIT-Mandi (IN))Simulation and softwarePoster
Modern high-energy physics experiments make considerable use of Gas Electron Multipliers (GEMs), a crucial type of Micro-Pattern Gas Detectors (MPGDs), because of their exceptional spatial resolution, high-rate capabilities, and operational stability. Ion backflow, which results in space-charge accumulation, electric-field distortions, and gain instabilities under high-luminosity...
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Pedro Alberto Oliveira Costa E Silva (Polish Academy of Sciences (PL))Simulation and softwarePoster
In this work, we report the development of a simulation framework aimed at the characterization and optimization of optical amplification structures based on MPGD technologies. The framework enables full customization of detector geometries with the goal of optimizing primary charge collection, light amplification, and conversion and collection efficiencies for both primary (S1) and secondary...
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Matteo Feltre (Universita e INFN, Padova (IT))Detector PhysicsPoster
In spring 2024 the upgrade of the T2K off-axis near detector (ND280) was completed and, since then, the new detectors have been running stably. The upgrade includes two gaseous TPCs equipped with Encapsulated Resistive Anode Micromegas (ERAMs) to detect particles produced at high angles with respect to the neutrino beam.
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During the construction phase, a spare half TPC was built for testing... -
Yuanchun Liu (SJTU)ElectronicsPoster
The PandaX-III experiment employs a high-pressure gaseous time projection chamber (TPC) to search for the neutrinoless double beta decay of ¹³⁶Xe. With its outstanding particle track topology reconstruction capability, the detector enables efficient discrimination between signal and background events. To fully realize this capability, we have developed DAQ software and upgraded the Micromegas...
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Lucian Scharenberg (Weizmann Institute of Science (IL))ElectronicsPoster
The combination of a pixelized, high-granularity readout Application-Specific Integrated Circuit (ASIC) with a gaseous amplification stage enables various possibilities for particle physics experiments. Examples include the tracking of low-momentum particles, which requires a low material budget; X-ray polarimetry; and rare-event searches that benefit from selecting events based on their...
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Federico Pilo (Universita & INFN Pisa (IT))MPGD technologiesPoster
Extensive efforts at INFN Pisa have been devoted to the characterization of MICROMEGAS detectors operated at low pressures down to a few tens of mbar, together with the development of a simulation framework capable of accurately reproducing and predicting their performance. While MICROMEGAS technology is intrinsically well suited to low-density gas operation thanks to its tunable amplification...
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Pierre Gerard Ortega (Universite Libre de Bruxelles (BE))Simulation and softwarePoster
Monte Carlo Simulation of Plane-Parallel Ionization Chambers at Ultra-High Dose Rates
Background and Motivation
Air-filled plane-parallel ionisation chambers (PPICs) are widely used in medical dosimetry due to their simplicity and low cost. However, their performance under ultra-high dose rates (UHDR), such as those encountered in FLASH radiotherapy or high-intensity particle beams,...
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Muhammad Usman Uraf IshafaqSimulation and softwarePoster
In conventional energy spectrometry that uses Gas Electron Multiplier (GEM) detectors, a serious issue is severe spectral dispersion. This dispersion blurs the measured energy deposition profiles, making them less distinct. At the same time, a dominant low energy pedestal overlap appears, were signals from different events merge together at lower energies. Because of these limitations...
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Asta Tamulevičienė (Kaunas University of Technology)Production techniquesPoster
In this work, we report the experimental results of studies aimed at producing electrodes for glass-based Gaseous Electron Multiplier (GEM) detectors, employing different approaches of femtosecond laser processing. The fabrication of micro-holes in fused silica glass was achieved via two approaches - selective laser etching and direct laser ablation. The first approach is a two-step process....
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Daniel Szaraz (HUN-REN Wigner Research Centre for Physics (HU))Simulation and softwarePoster
The ALICE Collaboration has proposed a major upgrade for the HL-LHC era, termed ALICE 3, which requires a new Muon Identification (MID) system to effectively identify low-energy muons ($p_{\text{T}}>1.5~\text{GeV}/c$) amidst significant hadronic background. Primary candidate technologies for this subsystem are scintillators with SiPM readout coupled to WLS fibres, and lightweight Multi-wire...
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Mr SUBIR MANDAL (Bose Institute)MPGD technologiesPoster
Gaseous detectors are commonly used in High Energy Physics (HEP) experiments because of their capability to handle moderate to high rates, along with providing good position and timing resolution. At Bose Institute, Kolkata, India, performance studies are carried out on different gas-filled detectors such as Gas Electron Multiplier (GEM) and Straw Tube detector under well-controlled laboratory...
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Jan Bjorn Paschek (University of Bonn (DE))ElectronicsPoster
AMBER is a new experiment at the CERN SPS dedicated to addressing fundamental questions in hadron physics using high-energy muon, pion, kaon, and proton beams. Following successful physics runs in 2023 and 2024, the experiment provided valuable input for dark matter searches through measurements of antiproton production cross sections on helium targets.
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For the 2026 measurement of the proton... -
Kacper Chmiel (Universita e INFN Roma Tre (IT))MPGD technologiesPoster
Recent developments in resistive Micromegas detectors have demonstrated excellent performance, stability and robustness in high-rate environments, making them strong candidates for future collider experiments. Leveraging these developments, we investigate a novel readout concept based on capacitive charge sharing, aimed at improving spatial resolution while significantly reducing the number of...
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Dr Davide RaspinoElectronicsPoster
This paper presents the development of a versatile FPGA firmware for reading out ³He resistive wire tubes used in neutron scattering experiments. 3He-base resistive wire tubes are widely used worldwide on neutron scattering instruments at both Spallation and reactor neutron sources. In fact, the main neutron sources, such as ISIS in the UK, ILL in France, SNS in the US, FRM2 in Germany, ESS in...
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Mr Poojan Angiras (Indian Institute of Technology Mandi - IIT-Mandi (IN))Simulation and softwarePoster
GGas Electron Multipliers (GEMs) are widely used in high-energy physics experiments for charged-particle detection in high-rate environments, where detector optimization is essential for achieving high performance and long-term stability. In this work, we investigate the combined impact of GEM-hole geometry and transfer-gap configuration on the performance of GEM detector. Electric-field maps...
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Davide Fiorina (GSSI & INFN LNGS), Stefano PiacentiniDetector PhysicsPoster
The CYGNO collaboration is developing a novel directional gaseous detector aimed at the direct detection of rare events, with particular sensitivity to low-mass Dark Matter candidates (below a few tens of GeV/c²). The detector is based on a Time Projection Chamber (TPC) operated at atmospheric pressure with a He:CF₄ gas mixture, and equipped with a triple Gas Electron Multiplier (GEM)...
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Dr Yalcin Kalkan (Bolu Abant Izzet Baysal University (TR))MPGD technologiesPoster
The persistent drive for increased spatial resolution, faster timing performance, and enhanced radiation hardness in Micro-Pattern Gaseous Detectors (MPGDs) has motivated growing interest in nanostructured amplification concepts. In this study, we report a systematic experimental characterization of anodic aluminum oxide (AAO)-based nano-patterned gaseous detector architectures, fabricated...
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Prof. Nayana Majumdar (Saha Institute of Nuclear Physics, A CI of Homi Bhabha National Institute.), Mr Saikat Ghosh (Saha Institute of Nuclear Physics, a CI of Homi Bhabha National Institute, India.)Production techniquesPoster
Thick Gas Electron Multiplier (THGEM) detectors are robust devices which can be manufactured using standard PCB drilling and etching technology, typically on double-clad, insulating materials. These detectors are ideal for cosmic muon tracking in large-area muon imaging/muography applications due to their low-cost, scalable production. Essential requirements for these tracking devices to be...
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58. Surface mechanisms governing long-term stability of GEM detectors in CO_2-based gaseous mixturesWillian Da Silva (Universidade de Sao Paulo (USP) (BR))MPGD technologiesPoster
Understanding the chemical stability of Gas Electron Multipliers (GEMs) operated in $CO_2$-based mixtures is essential for improving detector longevity and reliability. In this work, we investigate the interaction between $CO_2$ molecules and the copper electrodes of GEM foils through near-ambient pressure X-ray photoelectron spectroscopy (NAP-XPS) and complementary Raman mapping. The...
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Mr Daniel Neves FachieriDetector PhysicsPoster
Detectors based on gas electron multipliers (GEM) are widely used in many high energy experiments due to its high rate capability, good energy resolution and low Ion back flow, for example in ALICE TPC, but they are also employed in applied physics, such as material analysis via x-ray fluorescence and tomography. In the case of a triple GEM, the detector operates by collecting the charge...
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Hussam Badran (Helsinki Institute of Physics (FI))Detector PhysicsPoster
Ion-Backflow (IBF) of gas-filled detectors for ionising radiation is a limiting factor especially for large Time Projection Chambers (TPC) used in high energy physics experiments such as the ALICE experiment at LHC [1]. ALICE TPC readout chambers consist of a stack of Gas Electron Multipliers (GEM).
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IBF leads to space charge in the drift volume which can cause spatial distortions to the... -
Giorgio Canezin (Laboratory of Instrumentation and Experimental Particle Physics, University of Coimbra)ApplicationsPoster
Neutron beam monitoring is crucial at neutron spallation sources in order to ensure that parameters such as neutron flux, beam profile, and pulse timing match those expected for the instrument's design. Accurate monitoring of the neutron flux in the thermal and epithermal energy ranges is essential for applications such as energy-resolved neutron imaging and diffraction. They require neutron...
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Max Meurer (LMU Munich)ApplicationsPoster
A high-performing clinical proton computed tomography (pCT) system requires single-particle tracking detectors with good spatial resolution, high rate capability, and a minimal material budget to reduce coulomb scattering, particularly critical for the low-energy protons encountered in pCT. Large-area Floating Strip Micromegas with a two-dimensional strip readout are particularly well suited...
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Bruna Beatriz Tizoni FranciscoSimulation and softwarePoster
Gas Electron Multipliers (GEMs) are a class of Micro-Pattern Gaseous Detectors (MPGDs) widely used in high-energy physics experiments for their excellent spatial resolution, high-rate capability, and operational robustness. However, their long-term performance can be affected by cumulative degradation effects. One such issue is the formation of insulating layers on the metallic surfaces of GEM...
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