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Prof. Luc Hebrard (Faculté de Physique & Ingénierie)18/11/2024 09:30
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Jerome Baudot (IPHC)18/11/2024 09:45
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Simone Monzani, Simone Monzani (University of Udine)18/11/2024 10:30
In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in up to 200 proton-proton interactions in a typical bunch crossing. To cope with the resulting increase in occupancy, bandwidth and radiation damage, the ATLAS Inner Detector will be replaced by an all-silicon system, the Inner Tracker (ITk). The innermost...
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Steffi Bower (CMS/FSU)18/11/2024 10:50
The CMS pixel detector is the innermost part of the CMS tracking system. The performance of the detector is monitored closely with frequent calibrations to measure expected degradation due to radiation damage. The pixel tracker provides high quality data for physics despite the ongoing challenges of Run 3. The operational experience and performance of the pixel tracker during 2022, 2023, and...
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Fabian Becherer (DESY)18/11/2024 11:10
The Belle~II experiment at the SuperKEKB super B-factory collects data from asymmetric-energy $e^+e^-$ collisions at the $\Upsilon(4S)$ resonance since 2019.
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Its goal is to collect a $B\bar{B}$ data set 50 times larger than that of the predecessor experiments Belle and Babar enabling new levels of accuracy in measurement of standard model processes and search for new physics at the... -
Dr Anabela Veloso (IMEC, Leuven)18/11/2024 11:27
The need for increased computing keeps growing at ultra high speed, required to support an ever larger and wider range of applications, with generative AI significantly accelerating this trend. Logic standard cell shrinkage remains at the core of the compute roadmap. Its momentum is expected to carry on, even as 2D scaling has become increasingly challenging, by introducing novel device...
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Claire JURAMY-GILLES ({CNRS}UMR7585)18/11/2024 14:00
Pixel sensors will face new challenges to provide the enhanced performances required by the next generation of ground and space astronomical observatories. Dedicated pixel CMOS sensors are now competing with the traditional CCD designs, offering opportunities for new readout methods. On the other hand, the study of CCD sensor characteristics allows to reach the precision required by surveys...
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Ester Ricci (University of Trento and INFN-TIFPA)18/11/2024 14:40
For decades, silicon microstrip detectors have been the preferred technology for tracking particles in space, allowing the realisation and operation of successful missions as AMS-02 and FERMI LAT, which are providing remarkable scientific results. However, the next generation of experiments aims to push our understanding even further, and will require significant improvements in tracking...
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Prayag Wakale (Caeleste and KU Leuven)18/11/2024 15:00
Low-light imaging applications, such as astronomy or microscopy, require low-noise image sensors. Noise levels far below 1 $e^-_{rms}$ are pursued. Single-photon detection is considered the holy grail of image sensing.
Existing imaging technologies capable of detecting and resolving individual photons like Photomultiplier Tubes (PMT), Single Photon Avalanche Diodes (SPAD), and Electron...
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Manoj Jadhav (Argonne National Laboratory)18/11/2024 15:20
High voltage CMOS (HV-CMOS) sensors are novel monolithic CMOS active pixel sensors designed for future particle tracking detectors satisfying exceptional performance requirements. These sensors have the advantages of a fully monolithic structure, low manufacturing cost, low material budget, fast charge collection, and high radiation tolerance. Derived from ATLASPix3 (for High-Luminosity Large...
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Leo Cavazzini (Fondazione Bruno Kessler)18/11/2024 15:37
Abstract- Experiments that study charged cosmic rays in space combine a tracker and calorimeter to measure the charge magnitude, the energy, and the momentum of the incoming particles. However, secondary particles created in the calorimeter and entering the tracker will degrade the reconstruction capability of the instrument. Most of the tracker systems in these experiments use micro-strip...
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Roberto Dinapoli (Paul Scherrer Institut)18/11/2024 16:30
The development of the new fourth-generation storage rings (or diffraction-limited storage rings, DLSR) poses new challenges to detectors in many aspects, the main one being the much-increased photon flux, exceeding the count rate capabilities of many of the actual single photon-counting detectors.
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For this reason, the PSD detector group of the Paul Scherrer Institut (PSI, Switzerland)... -
Takaki Hatsui (RIKEN)18/11/2024 16:50
CITIUS is an integrating-type detector developed for synchrotron and XFEL applications. CITIUS operates at the maximum frame rate of 26.1 kframes/s for full image recording in a spectro-imaging mode, and the associated data rate is 140 Gbps at the physical layer from a single chip. In this talk, we report recent progress in the development of 20.2M CITIUS detector for Serial Femtosecond...
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Dr Julian Heymes (Paul Scherrer Institut)18/11/2024 17:10
The MÖNCH detector is a charge integrating prototype Hybrid Pixel Sensor with 25 µm pixel pitch. With low noise pixel architectures and the charge sharing effect, the position of the impinging photon can be interpolated into virtual sub-pixels enabling high spatial resolution. The small pixel pitch also offers excellent native resolution with high frame-rates. The MÖNCH detector has already...
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Dr Mujin Li (Institute of High Energy Physics, Chinese Academy of Sciences)18/11/2024 17:27
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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Dr Liam Cunningham (University of Glasgow)18/11/2024 17:44
The current programme of upgrades to the ATLAS detector to take advantage of the opportunities presented by the HL-LHC will include a complete replacement of the tracking system. This upgrade will install an all-silicon tracker called the ITk, the innermost five layers will be made up of Si Pixel detectors.
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The majority of the installed Si detectors are Quad Pixel detectors. These are ~4x4... -
Artem Isakov (Nikhef)19/11/2024 08:30
The upgraded Inner Tracking System (ITS2) is instrumental for tracking and vertex reconstruction in the ALICE experiment. The new tracker consists of seven cylindrical layers equipped with silicon Monolithic Active Pixel Sensors (MAPS) with a pixel size of 27 by 29 μm. The sensors are thinned down to a thickness of 50 μm and 100 µm for the three innermost layers and for the four outer layers,...
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Pawel Kopciewicz19/11/2024 08:50
LHCb is a high precision experiment, operating at the LHC accelerator at CERN. The experiment is primarily devoted to the search for new physics beyond the Standard Model by studying CP violation and rare decays in the b and c-quark sectors. During the second long shutdown of the Large Hadron Collider at CERN, the LHCb experiment has been upgraded and the new detector is currently operating at...
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Piotr Maj (Brookhaven National Laboratory)19/11/2024 09:10
We present the design and implementation of a comprehensive testing setup for validating pixelated detectors, emphasizing rapid prototyping and minimizing printed circuit board design and debugging efforts. The system features an off-the-shelf embedded controller with an Intel CPU running under LinuxRT, paired with an Artix 7 FPGA. This FPGA supports both VHDL and LabVIEW code, enhancing setup...
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Luc Le Pottier (Lawrence Berkeley National Laboratory)19/11/2024 09:27
The ITkPixV2 readout chip is the production readout chip for the ATLAS Phase 2 upgrade for the High-Luminosity LHC of the ATLAS inner detector, scheduled for commissioning at the start of 2029. The innermost layers of the ATLAS ITk pixel detector are expected to reach maximum hit rates of 3GHz/cm^2, a total radiation dose of 1 GRad, and data readout rates of 5Gbps, with an operational lifetime...
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Daniel Johnson19/11/2024 09:44
The LHCb Upgrade-I detector is currently operating at the Large Hadron Collider at CERN and it is expected to collect about 50 fb−1 by the end of Run 4 (2032), when many sub-systems of the detector will reach their end of lifetime. In order to fully exploit the High-Luminosity LHC potential in flavour physics, the LHCb collaboration proposes a Phase-II Upgrade of the detector, to be installed...
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Renato Turchetta (IMASENIC Advanced Imaging S.L.)19/11/2024 10:30
CMOS image sensors nowadays the dominant imaging technology, are being deployed in many applications, from consumer to machine vision, from industrial to automotive. They are now also used in scientific as well as medical and life science. In these fields, the requirements can be as varied as very low noise for scientific applications, or area coverage for medical and speed for life science....
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roberto cardella (niversité de Genève)19/11/2024 11:15
The 100µPET project is developing a pre-clinical medical scanner for positron-emission tomography (PET) with ultra-high-resolution molecular imaging capabilities. The scanner is composed of multiple layers of monolithic active pixel sensors (MAPS) connected to flexible printed circuits (FPC). With pixels of 150 µm pitch and a thickness of 280 µm + 300 µm (MAPS + FPC), the scanner achieves...
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Nicolas Arbor (IPHC-Strasbourg)19/11/2024 11:32
Neutrons are one of the main secondary radiations produced by particle accelerators. They are therefore a key element in the radiation protection of facilities used for fundamental research or medical and industrial applications (production of radionuclides, hadrontherapy, sterilization). The main risks relate both to the radiation dose received by people exposed to neutrons (workers,...
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Jens Weingarten (TU Dortmund University)19/11/2024 11:52
Due to the physical principles of the energy deposition of charged particles in matter, proton therapy allows a very precise dose deposition in the tumour, which leads to better protection of healthy tissue compared to photon radiotherapy. At the same time, the maximum dose deposition at the end of the proton trajectory is more sensitive to uncertainties in the range of the protons. A...
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121. Time-stamping photons with sub-nanosecond resolution for quantum-enhanced imaging and telescopyAndrei Nomerotski (Czech Technical University in Prague)19/11/2024 14:00
Correlations of photons from entangled quantum sources offer advantages and provide additional opportunities such as low light imaging or new sensing approaches. In general, strong spectro-temporal correlations inherent for entangled photons make those sensing techniques much more precise and resource efficient. To take advantage of the correlations one would need efficient single photon...
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Nicolo' Cartiglia (INFN)19/11/2024 14:40
This contribution will report the first beam test results obtained coupling 450-micron pixel RSD sensors with the FAST3 ASIC. The sensors are part of the RSD2 FBK production, and FAST3 is the latest ASIC developed at INFN Torino for the read-out of thin sensors with internal gain. The results, obtained at the DESY testbeam site using 5 GeV electrons, demonstrate the possibility of concurrently...
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Jixing Ye (Università di Trento e TIFPA)19/11/2024 15:00
Future experiments at high-luminosity hadron colliders will involve unprecedent levels of pile up, calling for precise time information at the pixel level to ease distinguishing between particle tracks. The unique geometry of 3D sensors enables to achieve very good timing performance, besides high radiation hardness. Remarkable results in terms of timing resolution have so far been reported...
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Alessandro Fondacci (CNR-IOM and INFN, Perugia)19/11/2024 15:20
High Energy Physics at future colliders demands a new generation of particle detectors with capabilities exceeding those of current silicon technology. For example, at the various $e^+e^-$ machines (CEPC, CLIC, FCC-ee, and ILC), the key requests are low material budget and excellent spatial resolution, with modest requests for radiation resistance or precise timing ($\sigma_t < 50$ ps). On the...
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Prof. Philippe Schwemling (Université Paris Cité and CEA/Irfu/DPhP)19/11/2024 15:37
I. Introduction
The v1 and v2 MiniCACTUS sensors are monolithic CMOS sensors in LF15A technology, designed to investigate the possiblity of tagging time of arrival of Minimum Ionizing Particles with a resolution better than 100 ps. These sensors are a first step towards an ultimate time resolution of 20 ps, needed for future projects like FCC-ee. MiniCactus v1 and v2 feature arrays of...
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Jan Hammerich (University of Liverpool (UK))19/11/2024 16:30
While silicon industry advances to smaller and smaller feature sizes, silicon particle detectors struggle to follow that miniaturisation. One of the main bottlenecks are the relatively large transistors required for the optimal performance of the analogue frontend. Particam instead uses a digital only approach which is focused on digital storage cells switching due to transient radiation...
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Dr olivier Marcelot (ISAE-SUPAERO)19/11/2024 16:47
Last advanced TEM techniques are dedicated to the observation of sensitive materials which can be damaged with the electron dose, such as biological specimen. In this situation it is mandatory to use a low dose and conventional beam energies (200keV). Consequently, electron detectors need to have a gain as high as possible while maintaining high spatial resolution performances. Nowadays,...
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M. Andrew Scott19/11/2024 17:07
CMOS image sensors (CIS) are the leading imaging technology today. Sensors as large as a wafer can be manufactured thanks to the so-called stitching method. The architecture of existing wafer-scale CIS products is fairly simple, with the sensors representing only a relatively limited advantage in terms of speed, with respect to other technologies, e.g. a-Si panels or CCDs. This work presents...
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Sven Boulanger (Caeleste)19/11/2024 17:24
For particle counting detectors with high repetition rate, low latency and low jitter using direct detection of incident electrons, a short transit time of the secondary generated electrons and holes within the pixel structure is required. Additionally, for a pixel array that spans a large area, we wish to minimize the overall power consumption by minimizing the number of pixels, implying...
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Michael Deveaux (GSI/FAIR Darmstadt)19/11/2024 17:41
The CMOS Sensor MIMOSIS is being developed to equip the Micro Vertex Detector (MVD) of the CBM experiment at FAIR in Darmstadt, Germany. It will feature 1024 × 504 pixels and combine a time resolution of 5 µs with a spatial resolution of ∼ 5 µm. Moreover, it will have to handle a peak rate of 80 MHz/cm² and radiation doses of 5 MRad and up to 1e14 neq/cm² per year. It is being developed within...
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Long LI (University of Birmingham)19/11/2024 17:58
MALTA2 is a Depleted Monolithic Active Pixel Sensor designed to meet the challenging requirements of future collider experiments, in particular extreme radiation tolerance and high hit rate . It is fabricated in a modified Tower 180 nm CMOS imaging technology to mitigate performance degradation caused by irradiation up to 100 MRad of Total Ionising Dose and $3 \times...
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Arianna Wintle (Deutsches Elektronen-Synchrotron (DE))19/11/2024 18:15
The DESY II Test Beam Facility offers electrons with a user selectable momentum ranging from 1-6 GeV alongside beam telescopes as precise reference tracking systems. Whilst providing a very high spatial resolution, they provide no timestamps for individual hits within the readout frame. The length of this readout frame means the telescopes frequently read out hits from multiple electrons...
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Alexander Oh (University of Manchester)20/11/2024 08:30
In this presentation the latest developments on detectors made of wide-band-gap materials for applications in high energy physics experiments will be discussed. In particular the status of SiC, GaN and Diamond based detector developments will be reviewed and the plans of the newly formed DRD3 collaboration with it's focus on wide-bandgap materials in working group 6 will be...
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Kosuke Itabashi (High Energy Accelerator Research Organization)20/11/2024 09:10
In the hadron collider experiments, many silicon detectors have been used for the tracking detection. When these semiconductor detectors are exposed to high radiation level, their detector performances are degraded by the radiation damage. It becomes a serious problem for the future collier experiment expected higher radiation levels. Therefore, new semiconductors in place of silicon with high...
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Radek Novotný (CVUT)20/11/2024 09:30
This contribution will delve into the design and performance of the newly produced Silicon Carbide Low Gain Avalanche Detectors (4H-SiC LGADs) and provide a comprehensive summary of their measured characterizations. This includes an analysis of the detector's performance, temperature stability, and the effectiveness of the internal gain layer in improving signal generation.
The 4H-SiC is...
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Marco Ferrero (INFN)20/11/2024 09:47
Future high-energy and high-intensity colliders, such as the Muon Collider or the FCC-hh, require precise particle tracking in space and time up to very high fluences, above 10$^{16}$ 1 MeV equivalent n/cm$^{2}$ or even an order of magnitude higher.
To design future tracker detectors able to operate in very harsh radiation conditions, it is necessary to manufacture new sensors which...
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Marco Mandurrino (INFN Torino)20/11/2024 10:30
Simulation-guided design represents a fundamental contribution towards the development of modern semiconductor devices aiming to reach high-performance particle detection, identification and tracking, and constitutes a strategic element of the new detector R&D roadmap.
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At the same time, the complexity of microelectronic structures and the related detection systems is drastically increasing,... -
Marcello Bindi (University of Goettingen)20/11/2024 11:10
The tracking performance of the ATLAS detector relies critically on its 4-layer Pixel Detector. As the closest detector component to the interaction point, this detector is subjected to a significant amount of radiation over its lifetime. At present, at the start of 2024-Run3 LHC collision ATLAS Pixel Detector on innermost layers, consisting of
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planar and 3D pixel sensors, will operate after... -
Marco Bomben (APC)20/11/2024 11:30
Radiation damage significantly impacts the performance of silicon tracking detectors in Large Hadron Collider (LHC) experiments such as ATLAS and CMS, with signal reduction being the most critical effect. While adjusting sensor bias voltage and detection thresholds can help mitigating these effects, generating simulated data that accurately mirrors the performance evolution with the...
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Pedro Nuno T. Santos (KU Leuven Association)20/11/2024 11:47
This article presents a new global shutter pixel design with radiation-hardened-by-design(RHBD) device modifications and correlated double sampling (CDS). Global Shutter Imagers presents undeniable advantages by exposing all pixels simultaneously. Once in-pixel storage is included, the pixel readout can be operated simultaneously with exposure, enabling faster operation and flashed light....
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Thierry Guillaume Harte (ETH Zurich / CMS)20/11/2024 12:04
CMS will undergo a major upgrade to prepare for the High-Luminosity phase of the LHC. Within the frame of this upgrade, studies on a novel passive sensor production technique for planar hybrid detectors have been performed. The sensors were produced using a commercial CMOS production process with a feature size of 150nm. This process enables the use of stitching to produce large sensors out of...
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Jerome Baudot (IPHC)20/11/2024 12:24
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Zhijun Liang (Institute of High Energy Physics, CAS)21/11/2024 08:30
The increased particle flux expected at the HL-LHC poses a serious challenge for the ATLAS detector performance, especially in the forward region which has reduced detector granularities. The High-Granularity Timing Detector (HGTD), featuring novel Low-Gain Avalanche Detector silicon technology, will provide pile-up mitigation and luminosity measurement capabilities, and augment the new...
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Hulin Wang (Central China Normal University)21/11/2024 08:47
A gaseous beam monitor utilizing gas electron multiplier (GEM) and pixel sensors is being developed for the Cooling Storage Ring (CSR) external-target experiment (CEE) at Heavy Ion Research Facility in Lanzhou (HIRFL). The beam monitor is mainly used to track each beam particle, providing an accurate reconstruction of the primary vertex of the collision. Two generations of the pixel sensors...
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Felix Reidt (CERN)21/11/2024 09:04
The Inner Tracking System 3 (ITS3) is the next generation vertex detector for ALICE, the heavy-ion focused experiment at the CERN Large Hadron Collider foreseen to be installed during the Long Shut- down 3. The ITS3 will replace the innermost three layers of the current Inner Tracking System 2. ITS3 will consist of bent, wafer-scale monolithic pixel sensors manufactured in the TPSCo 65 nm...
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Alice Gabrielli (INFN Pisa)21/11/2024 09:24
The Belle II experiment currently records data at the SuperKEKB e+e- collider, which holds the world luminosity record of 4.7x10^34 cm-2.s-1 and plans to push up to 6x10^35 cm-2 s-1. In such luminosity range for e+e- collisions, the inner detection layers should both cope with a hit rate dominated by beam-induced parasitic particles and provide minute tracking precision. A R&D program has...
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Armin Ilg (University of Zürich)21/11/2024 09:44
Following in the footsteps of the LHC, the Future Circular Collider (FCC) will be the next multi-generational international collider project. In the first stage, FCC-ee will collide intense beams of electrons and positrons at centre of mass energies between 88 and 365 GeV, making it an electroweak, flavour, Higgs and top factory. The unprecedented statistical precision requires FCC-ee...
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Prof. Lorenzo Paolozzi (University of Geneva)21/11/2024 10:30
The MONOLITH H2020 ERC Advanced project aims at producing a high-granularity monolithic silicon pixel detector with picosecond-level time stamping. Such extreme timing exploits: i) fast and low-noise SiGe BiCMOS electronics; ii) a novel sensor concept: the Picosecond Avalanche Detector (PicoAD), that uses a patented multi-PN junction to engineer the electric field and produce a continuous gain...
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Lucio Pancheri (University of Trento and TIFPA-INFN, Italy)21/11/2024 10:50
Charged Particle detection in High-Energy Physics (HEP) applications increasingly asks for sensors with improved timing resolution and low power. A trade-off between these two requirements is typically necessary and strongly linked to the design and technology of front-end readout electronics. Low-Gain Avalanche Detectors (LGADs), which have become an established technology in HEP experiments,...
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Daniil Rastorguev (DESY)21/11/2024 11:07
Single Photon Avalanche Diodes (SPADs) have been recently introduced in process design kits of several CMOS foundries. This opens up possibilities to embed SPADs into custom CMOS ASICs, thus allowing for novel designs of monolithic silicon avalanche photo-detectors. A digital silicon photomultiplier (dSiPM) prototype with integrated readout was designed at DESY in the LFoundry 150 nm process...
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Kevin Heijhoff (Nikhef)21/11/2024 11:24
A high rate beam telescope based on the Timepix4 ASIC has been built to evaluate novel pixel sensors with high spatial and temporal resolution. Moreover, the telescope can also be used for tests of synchronous multiple-detector readout and track reconstruction with fast timing capability (i.e. 4D tracking demonstrator).
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The telescope consists of eight planes with n-on-p silicon sensors, each... -
Uwe Kraemer (Nikhef)21/11/2024 11:44
In recent years, development of pixel detectors has evolved from only improving the spatial resolution to also improving the temporal resolution. The ultimate goal is to develop a 4 Dimensional tracking (4D tracking) system capable of combining micrometer spatial resolution with a time resolution in the order of tens of picoseconds.
Low-Gain-Avalanche-Detectors (LGADs) provide a promising...
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Md Arif Abdulla Samy (University of Glasgow)21/11/2024 13:15
The ATLAS inner detector will be completely replaced to cope with the increased occupancy, bandwidth and radiation damage that will be posed by the High Luminosity phase of the Large Hadron Collider. The new all-silicon Inner Tracker (ITk) will be equipped with pixel detectors in the innermost part, using several silicon sensor technologies equipped with novel ASICs connected by bump-bonding...
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Thomas Senger (University of Zurich)21/11/2024 13:18
The Mu3e experiment aims to detect charged lepton flavor violation through the
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decay channel μ → e e e. With sensitivities of 10^−15 in its initial phase and
10^−16 in the final phase, it improves upon prior experiments by four orders of
magnitude. The innovative experimental concept is based on a tracking detector
built from novel ultra-thin silicon pixel sensors and scintillating fibres... -
Matteo Durando (Torino University and INFN)21/11/2024 13:21
Precise tracking in space and time is becoming a more and more pivotal ingredient in designing high-energy physics experiments. Low-Gain Avalanche Diodes (LGADs) with an active thickness of $\sim$ 50 µm have proved the ability of silicon sensors to provide precise timing down to about 30 ps. At present, this timing performance is maintained almost unchanged up to a fluence of...
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Irene Zoi (Fermi National Accelerator Laboratory)21/11/2024 13:24
The High Luminosity LHC (HL-LHC) is expected to deliver an integrated luminosity of 3000 - 4000 fb$^{-1}$ after 10 years of operation with peak instantaneous luminosity reaching about 5 - 7.5 $\times10^{34}$cm$^{-2}$s$^{-1}$. During Long Shutdown 3, several components of the CMS detector will undergo major changes, called Phase-2 upgrade, to be able to operate in the challenging environment of...
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Younes Otarid (CERN)21/11/2024 13:27
Caribou is a versatile data acquisition system used in multiple collaborative frameworks (CERN EP R&D, DRD3, AIDAinnova) for both bench-top and test-beam qualification of novel silicon pixel detector prototypes. The system is built around a common hardware, firmware and software base shared accross different projects, thereby drastically reducing the development effort and cost. The current...
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zizhao Ji (Shanghai Institute of Microsystem and Information Technology)21/11/2024 13:30
The charge-integrating pixel detector is one of the major enablers of new science at X-ray free electron laser (XFEL) facilities. Such detector must revolve high dynamic range diffraction images resulting from interaction between the sample and ultra intense X-ray pulses with duration in order of femtosecond. Ideally, the frame rate of the detector should match the repetition rate of the laser...
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Marco Bomben (APC)21/11/2024 13:33
Signal reduction is the most important radiation damage effect on performance of silicon tracking detectors. Adjusting sensor bias voltage and detection threshold can help in mitigating the effects, but it is important to have simulated data that reproduce the evolution of performance with the accumulation of luminosity, hence fluence.
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The two innermost pixel layers of ATLAS (Insertable... -
Fabrizio Palla (INFN Pisa)21/11/2024 13:36
The CERN proposed $e^+e^-$ Future Circular Collider (FCC-ee) is designed as an electroweak, flavour, Higgs and top factory with unprecedented luminosities. Many measurements at the FCC-ee will rely on the precise determination of the vertices, measured by dedicated vertex detectors.
All vertex detector designs use Monolithic Active Pixel Sensors (MAPS) with a single-hit resolution of ≈3 µm...
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Miho Yamada (Tokyo Metropolitan College of Industrial Technology)21/11/2024 13:39
Belle II ugpgrade is expected around 2028 to mitigate the high background induced by electron and positron beams. We have invented a new pixel detector concept named Dual Timer Pixel (DuTiP) for the vertex detector upgrade. This pixel detector concept can be also used for the layer 7 and 8 of the ILD vertex detector. The first prototype was fabricated with lapis semiconductor 200 nm FD-SOI...
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Simone Ravera (CERN)21/11/2024 13:42
With the beginning of the High Luminosity program of the Large Hadron Collider (HL-LHC) the ATLAS detector will have to face an increased instantaneous luminosity up to 7.5$\cdot$ 10$^{34}$ cm$^{-2}$ s$^{-1}$ and an average of 200 proton-proton collisions per bunch-crossing. To be ready for these challenging beam conditions the ATLAS Inner Detector will be completely replaced with a new...
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M. Zhenjie Li (中国科学院高能物理研究所)21/11/2024 13:45
HEPS-BPIX4 is a new engineering generation hybrid pixel detector prototype with 6M pixels with 140μm×140μm following the previous one with a pixel size of 150um×150um and frame rate up to 1.2kHz at 20-bit dynamic range. The 6M pixel detector is design for the Biological macromolecule experiment station of HEPS(BA beamline), which will be operational by 2025. The BPIX chip, fabricated in a...
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Roberta Arcidiacono (Università del Piemonte Orientale e INFN Torino (IT))21/11/2024 13:48
Recent advancements in silicon sensor technology have paved the way for the development of high-resolution 4D-tracking detectors capable of simultaneously measuring the position and time of passage of charged particles within a single sensitive device. A key approach is the use of resistive read-out in thin Low Gain Avalanche Diode (LGAD) sensors, which introduces combined intrinsic signal...
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Marco Hübner (Hochschule RheinMain)21/11/2024 13:51
High voltage CMOS pixel sensors are proposed in many future particle physics experiments such as the HL-LHC upgrades and future circular colliders. The ATLASPIX3 chip consists of 49000 pixels of dimension 50μm x 150 μm, realised in in TSI 180nm HVCMOS technology. It was the first full reticle size monolithic HVCMOS sensor suitable for construction of multi-chip modules and supporting serial...
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Chaosong Gao (Central China Normal University), M. Qianjun Chen (Central China Normal University)21/11/2024 13:54
Monolithic active pixel sensors (MAPS) integrating sensitive element and readout circuits into one silicon chip have proven their good performance as high spatial resolution particle trackers in the past years. The MAPS provides high granularity with low material budget and has been applicated in high energy physical experiments, such as MIMOSA sensors for the STAR HFT at RICH, ALPIDE sensors...
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Christian Muentz (Goethe-University Frankfurt, Germany), Franz Matejcek (Goethe-University Frankfurt)21/11/2024 13:57
The Micro Vertex Detector (MVD) is the first downstream detector of the fixed-target CBM experiment at the future Facility for Antiproton and Ion Research (FAIR). It enables high-precision tracking of low-momentum particles in direct proximity of the target, e.g., the first out of four planar stations is placed only 8 cm downstream the interaction point. Thus, minimizing the material budget...
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Svetlana Kushpil (Nuclear Physics Institute of the CAS)21/11/2024 14:00
The Inner Tracking System (ITS) of the ALICE experiment at the CERN Large Hadron Collider (LHC) is the largest Monolithic Active Pixel Sensor technology application in high-energy physics.
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The updated version of the tracking system, called ITS2, consists of seven concentric layers of ALPIDE monolithic active pixel sensors produced in the 180 nm CMOS process, covering a total sensitive area of... -
Luka Selem21/11/2024 14:03
The ATLAS experiment will undergo major upgrades for operation at the high luminosity LHC. The high pile-up interaction environment (up to 200 interactions per 40MHz bunch crossing) requires a new radiation-hard tracking detector with a fast readout.
The Inner Tracker (ITk) upgrade is an international effort to meet this challenge.The scale of the upgraded tracker is much larger than...
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Mlle Anusree Vijay (IIT Madras)21/11/2024 14:06
Recent advancements in particle physics demand pixel detectors that can withstand increased energy and luminosity in the future collider experiments. In response, MALTA, a novel monolithic active pixel detector, has been developed with a cutting-edge readout architecture. This new class of monolithic pixel detectors is found to have exceptional radiation tolerance, superior hit rates, higher...
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Simone Michele Mazza (UC Santa Cruz)21/11/2024 14:09
Using the CENPA Tandem accelerator at the University of Washington, we studied the response of low gain avalanche detectors (LGADs) to MeV-range deposits from a proton beam. LGADs are thin silicon detectors with moderate internal signal amplification. This type of devices is prone to a gain suppression mechanism, which is the topic of this study, especially for large energy depositions....
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Alessandra Lorenzetti (University of Zürich)21/11/2024 14:12
With the next upgrade of the ALICE inner tracking system (ITS3) as its primary focus, a set of small MAPS test chips have been developed in the 65 nm TPSCo CMOS process. The Circuit Exploratoire 65 nm (CE-65) focuses on the important characterisation of the analogue charge collection properties of this technology. The latest iteration of sensor design in this line of development is CE-65v2,...
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Matteo MAUSHART (IPHC)21/11/2024 14:15
An upgraded vertex detector (or VTX) is in development for the Belle II
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experiment. A central concept of the VTX is the usage of a new CMOS
monolithic pixel sensor, OBELIX. The design of this sensor offers new
possibilities for specific read-out modes, such as a fast output for
track-triggering purpose with degraded spatial granularity.
That means the nearly 400 000 pixels of OBELIX... -
Lars Schall (University of Bonn), Lars Schall (University of Bonn)21/11/2024 14:18
Monolithic active pixel sensors with depleted substrates present a promising option for pixel detectors in high-radiation environments. Leveraging high-resistivity silicon substrates and high bias voltages in commercial CMOS technologies facilitates depletion of the charge sensitive volume. This enhances the radiation tolerance and charge collection capabilities to meet the demands of such...
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Marcela Mikestikova (Institute of Physics, CAS)21/11/2024 14:21
Silicon strip detectors developed for the Inner Tracker (ITk) of the ATLAS experiment will operate in a harsh radiation environment of the HL-LHC accelerator. The ITk is thus designed to endure a total fluence of 1.6×1015 1 MeV neq/cm2 and a total ionizing dose (TID) of 66 Mrad in the strip detector region. A radiation-hard n⁺-in-p technology is implemented in the ITk strip sensors. To achieve...
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Alessandro Sturniolo (University of Messina and INFN-CT)21/11/2024 14:24
During the Long Shutdown 2 (LS2), the ALICE Inner Tracking System was upgraded to its second version ITS2, consisting of 7 layers of silicon CMOS Monolithic Active Pixel Sensors, the ALICE Pixel Detectors (ALPIDE MAPS). Thanks to the integrated read-out circuitry, ALPIDE MAPS thickness in terms of radiation length X₀ has already been reduced to 0.36%X₀ per layer in ITS2, but this could be...
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Isabella Sanna (CERN)21/11/2024 14:27
The Inner Tracking System 3 (ITS3) is the new vertex detector proposed for the upgrade of the ALICE experiment at CERN planned for the LHC long shutdown 3. It will consist of bent, wafer-scale monolithic pixel sensors manufactured in the TPSCo 65 nm process, reducing the material budget to an average of 0.9%X0 and the innermost layer’s radius to 19 mm. These improvements will double the impact...
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Ping Yang (Central China Normal University)21/11/2024 14:30
Due to their advantages of fast readout rate, high integration and low power consumption of CMOS image sensors, they have been widely used in medical imaging, security monitoring, and space X-ray detection. As an important part of CMOS image sensors, the performance of analog-to-digital converters (ADCs) directly affects the quality of imaging. In large-area and high-speed CMOS image sensors,...
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Gordana Lastovicka Medin (University of Montenegro)21/11/2024 14:33
In this presentation we will show results from our comprehensive study on inter-pixel region in trench-isolated Low Gain Avalanche Detectors. The focus will be on recently observed atypical self-induced signals with extremely large amplitude that are also very extended in time. We will be comparing the results from study on Trenched LGADs with results from study on Trenched PINs. We will be...
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Giorgia Bonomelli (ETHZ)21/11/2024 14:36
In view of the High Luminosity LHC, the current CMS Tracker detector will have to be replaced during Long Shutdown 3 to survive the higher radiation environment and to withstand an increased data rate. To prepare for the so called CMS Phase II upgrade, multiple studies were carried out to characterize the pixel module design and their performance. For this purpose, different aspects were put...
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Giulio Borghello (CERN)21/11/2024 14:39
Monolithic Active Pixel Sensors (MAPS) offer the possibility to integrate sensors and readout electronics on the same chip in a standard CMOS process. This significantly reduces the material budget while maintaining good spatial resolution, making MAPS an attractive solution for High Energy Physics (HEP) applications. A prominent example of MAPS in HEP applications is the new ITS3 vertex...
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M. Shijie Lu (Shanghai Institute of Microsystem and Information Technology)21/11/2024 14:42
X-ray free electron laser (XFEL) facilities can delivery femtosecond X-ray pulses with ultra-high peak brightness, which in turn calls for high performance integrating type pixel detectors. State-of-the-art pixel read chips for detectors commissioning at XFEL facilities usually employ amplifiers with multi-gain stages within the pixel to reach high dynamic range, typically from 1 to 10$^4$...
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Dr Jixing Ye (Università di Trento e TIFPA)21/11/2024 14:45
During the last years, the need for innovative technologies that allows to enhance performance of particle tracking detectors has become a very important point. New sensor technologies play a key role in detector R&D, focusing the development on increased radiation hardness, improved timing and space resolution.
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Among the currently developed sensor technologies, the 3D silicon sensor has... -
Joseph Bodunrin (University of South Africa)21/11/2024 14:48
The impact of radiation on Si-based detectors has garnered interest due to the observed degradation in their stability in high-radiation environments. In this study, we examined the effects of 1 MeV neutron-irradiation at different fluences on the electrical properties of undoped n-Si diodes using current-voltage (I-V) technique. The irradiation fluences ranged from 0 to 1017 n/cm2. The...
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Grzegorz Deptuch (BNL)21/11/2024 16:00
The increasing segmentation of sensors, especially in tracking and vertexing applications, along with the drive to reduce the material budget, necessitates that processing of charge signals from sensors through amplification, filtering, extraction of amplitude, time of occurrence, as well as of additional features, such as particle trajectory direction and type identification, be confined to...
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Livia Terlizzi (Università and INFN Torino)21/11/2024 16:40
ALICE (A Large Ion Collider Experiment) is one of the four main experiments at the CERN Large Hadron Collider (LHC), and it is mainly designed to study heavy-ion collisions at ultra-relativistic energies. In view of the LHC Run 4, foreseen to start in 2029, ALICE will replace the three innermost cylindrical layers of its current inner tracking system (ITS2) during the Long Shutdown 3...
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Mariia Selina (Nikhef, Utrecht University)21/11/2024 16:57
The adoption of monolithic active pixel sensors (MAPS) in CMOS technologies for high-energy physics experiments was a breakthrough. These pixel detectors can achieve a material budget as low as 0.1% of the radiation length per layer, as they integrate the readout electronics within the sensor itself.
After the successful installation of the ITS2 detector, covering 10 m² with MAPS, a further...
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Sara Ruiz Daza (DESY)21/11/2024 17:14
The high energy physics community recently gained access to a 65 nm CMOS imaging process, which enables a higher density of in-pixel logic in monolithic active pixel sensors (MAPS). To explore this novel technology, the H2M (Hybrid-to-Monolithic) test chip has been designed and manufactured. The design followed a digital-on-top design workflow and ports a hybrid pixel-detector architecture,...
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Corentin Lemoine (IPHC/CERN)21/11/2024 17:31
Monolithic CMOS sensors combine the sensing volume and the processing electronics in the same die, leading to complex shapes of doped regions with various concentrations. As a consequence, the electric field in such sensors cannot be accurately expressed analytically. Considering the importance of the charge propagation process on the signal formation in the pixels, the electric field is...
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Ziad El Bitar (IPHC)21/11/2024 17:48
The performance of monolithic CMOS pixel sensors depends on their fabrication process and especially the feature size which directly drives the pixel size. A consortium led by the CERN EP R$\&$D program, the ALICE experiment, and various European projects (AIDAinnova, EURIZON) is investigating the benefits of a 65~nm CMOS imaging process to design a new generation of pixel sensors. These...
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Ying Zhang (Institute of High Energy Physics, CAS)21/11/2024 18:05
The TaichuPix chip is a dedicated monolithic CMOS pixel sensor developed for the first 6-layer silicon vertex detector prototype for the Circular Electron Positron Collider (CEPC) vertex detector R&D. Two small-scale demonstrator chips (25 mm$^2$) had been designed to optimize the in-pixel circuit and readout architecture, and to verify the radiation hardness. The promising test results of the...
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Jerome Baudot (IPHC)21/11/2024 18:22
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Valeriia Lukashenko (University of Zurich)22/11/2024 09:00
The LHC will undergo an upgrade known as the High Luminosity LHC (HL-LHC), with the aim of delivering 3000 fb-1. The Compact Muon Solenoid (CMS) detector will be upgraded during the Phase-II upgrade to profit from the increased luminosity delivered by HL-LHC. As a part of the Phase-II upgrade, the CMS tracking detector will be replaced. In the regions closest to the beam, the Phase-II Inner...
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Sergei Malyukov (JINR)22/11/2024 09:20
The High-Granularity Timing Detector (HGTD), a novel detector based on Low Gain Avalanche Detector (LGAD) technology, being bult for ATLAS Phase 2 upgrade to help mitigate the effects of increased pileup at the HL-LHC by providing high-precision timing information, measuring charged-particle trajectories in time as well as space. In addition, it will provide an instantaneous measurement of the...
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Jerome Baudot (IPHC)22/11/2024 09:37
The Belle II experiment is planning an all-pixel upgrade of the vertex detector around 2029-2030, aiming to be more performant in terms of tracking efficiency and more robust against the machine background expected at higher luminosity.
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The design of the new Vertex Detector (VTX) is based on five barrel-shaped layers spanning from 14 to 140 mm in radius, equipped with the depleted MAPS chip... -
Dr Ahmet Lale (CERN)22/11/2024 10:30
In the development of hybrid pixel detectors, a reliable and cost-effective interconnect technology is paramount. This technology must be tailored to the specific pitch and die sizes of the applications at hand. Particularly crucial during the ASIC and sensor development phases, these interconnection technologies must also accommodate the assembly of single dies, commonly available from...
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alessandro lega (Universita' di Trento)22/11/2024 10:50
This work presents a novel, patent-pending solution for the packaging of ALPIDE chips that facilitates non-planar assembly with a minimal material budget. This solution represents an advancement based on methodologies developed for the ALICE ITS1 and the STAR tracker two decades ago. The core of this approach involves the use of flexible cables composed of aluminum and polyimide, with...
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Luigi Vigani (University of Heidelberg)22/11/2024 11:07
The Mu3e experiment searches for the lepton flavour violating decay µ→ eee with an ultimate aimed sensitivity of 1 event in 10^16 decays in phase 2. This goal can only be achieved by reducing the material budget per tracking layer to X/X0 ≈ 0.1 %. For this purpose, gaseous helium is chosen as coolant, while High-Voltage Monolithic Active Pixel Sensors (HV-MAPS) thinned to 50 µm constitute the...
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Jerome Baudot (IPHC)22/11/2024 11:24
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22/11/2024 11:39
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