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Three-dimensional (3D) pixel sensors are a promising technology for implementing the 4D-tracking paradigm in high-radiation environments. Despite their advantages in radiation tolerance, 3D pixel sensors exhibit non-uniform electric and…

We report on studies of fast triggering and high-precision tracking using Resistive Plate Chambers (RPCs). Two beam tests were carried out with the 180 GeV muon beam at CERN using RPCs with gas gaps of 1.00 or 1.15 mm and equipped with…

Significant progress has been made to develop silicon pixel technologies for use in the vertex and tracker regions of the proposed Compact Linear Collider (CLIC) detector design. The electron-positron collisions generated by this linear…

仪器与探测器 · 物理学 2020-04-22 Morag Williams

A fully digital beam position and phase measurement (BPPM) system was designed for the linear accelerator (LINAC) in Accelerator Driven Sub-critical System (ADS) in China. Phase information is obtained from the summed signals from four…

仪器与探测器 · 物理学 2019-09-25 Xingshun Gao , Lei Zhao , Jinxin Liu , Zouyi Jiang , Xiaofang Hu , Shubin Liu , Qi An

We demonstrate a coincidence velocity map imaging apparatus equipped with a novel time stamping fast optical camera, Tpx3Cam, whose high sensitivity and ns timing resolution allow for simultaneous position and time-of-flight detection. This…

In this paper we describe the performance of a prototype of the High Angle Time Projection Chambers (HA-TPCs) that are being produced for the Near Detector (ND280) upgrade of the T2K experiment. The two HA-TPCs of ND280 will be instrumented…

A readout system based on the Timepix4 ASIC, is being developed for photon science. The TEMPUS detector can be operated in two distinct modes: a photon counting mode, which allows for conventional full-frame readout at rates up to 40 kfps;…

We present the development of a single-photon detector and the connected read-out electronics. This `hybrid' detector is based on a vacuum tube, transmission photocathode, microchannel plate and a pixelated CMOS read-out anode encapsulating…

仪器与探测器 · 物理学 2022-07-06 J. A. Alozy , N. V. Biesuz , M. Campbell , V. Cavallini , A. Cotta Ramusino , M. Fiorini , M. Guarise , X. Llopart Cudie

The latest generation of Timepix series hybrid pixel detectors enhance particle tracking with high spatial and temporal resolution. However, their high hit-rate capability poses challenges for data processing, particularly in multidetector…

分布式、并行与集群计算 · 计算机科学 2024-12-17 Tomáš Čelko , František Mráz , Benedikt Bergmann , Petr Mánek

This work presents the first measurements performed on the Timespot1 ASIC. As the second prototype developed for the TimeSPOT project, the ASIC features a 32x32 channels hybrid-pixel matrix. Targeted to space-time tracking applications in…

The ITkPixV2 chip is the final production readout chip for the ATLAS Phase 2 Inner Tracker (ITk) upgrade at the upcoming High-Luminosity LHC (HL-LHC). Due to the extraordinarily high peak luminosity at the HL-LHC of $5 \times 10^{34}$…

仪器与探测器 · 物理学 2025-04-22 Luc Le Pottier , Timon Heim , Maurice Garcia-Sciveres

We present design and construction of a large low-mass Triple-GEM detector prototype for forward tracking at a future Electron-Ion Collider. In this environment, multiple scattering of forward and backward tracks must be minimized so that…

Time-of-flight measurement is an important advancement in PET scanners to improve image reconstruction with a lower delivered radiation dose. This article describes the monolithic ASIC for the TT-PET project, a novel idea for a…

Hybrid pixel detectors require a reliable and cost-effective interconnect technology adapted to the pitch and die sizes of the respective applications. During the ASIC and sensor R&D phase, and in general for small-scale applications, such…

仪器与探测器 · 物理学 2023-01-23 J. V. Schmidt , J. Braach , D. Dannheim , R. De Oliveira , P. Svihra , M. Vicente Barreto Pinto

Temporal information is crucial for visual tracking, but existing multi-frame trackers are vulnerable to model drift caused by naively aggregating noisy historical predictions. In this paper, we introduce DTPTrack, a lightweight and…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Yuqing Huang , Liting Lin , Weijun Zhuang , Zhenyu He , Xin Li

The response of the Advanced LIGO interferometers is known to vary with time [arXiv:1608.05134]. Accurate calibration of the interferometers must therefore track and compensate for temporal variations in calibration model parameters. These…

天体物理仪器与方法 · 物理学 2023-01-11 Madeline Wade , Aaron D. Viets , Theresa Chmiel , Madeline Stover , Leslie Wade

In this work, the characteristics of a prototype SPECT system based on the Timepix readout chip, with a MURA type encoding mask, were evaluated. The set-up has a small field of view and can be used in preclinical studies of drugs in small…

仪器与探测器 · 物理学 2025-05-06 V. Rozhkov , I. Hernandez , A. Leyva , A. Zhemchugov

During the LHC Long Shutdown 3 (2026-29) ALICE will replace its three innermost tracking layers by a new detector, the "ITS3". It will be based on newly developed, wafer-scale monolithic active pixel sensors, which are bent into truly…

仪器与探测器 · 物理学 2026-01-13 Jory Sonneveld

Sensitivities of current directional dark matter search detectors using gas time projection chambers are now constrained by target mass. A ton-scale gas TPC detector will require large charge readout areas. We present a first demonstration…

仪器与探测器 · 物理学 2020-11-24 A. C. Ezeribe , C. Eldridge , W. Lynch , R. R. Marcelo Gregorio , A. Scarff , N. J. C. Spooner

Ion backflow is one of the effects limiting the operation of a gaseous detector at high flux, by giving rise to space charge which perturbs the electric field. The natural ability of bulk Micromegas to suppress ion feedback is very…