E. Jastrzembski, D. Abbott, J. Gu, V. Gyurjyan, G. Heyes, B. Moffit, E. Pooser, C. Timmer, A. Hellman
We have assembled a small-scale streaming data acquisition system based on the SAMPA front-end ASIC. We report on measurements performed on the SAMPA chip and preliminary cosmic ray data acquired from a Gas Electron Multiplier (GEM) detector read out using the SAMPA.
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A data acquisition and reconstruction software for SAMPA-SRS integration
本文开发了一款用于SAMPA-SRS集成的数据采集与重建软件，并通过三GEM位置灵敏X射线探测器验证，实现了优于833μm的位置分辨率和14.2%的能量分辨率。
Test of streaming and triggered readout schemes for the TPEX Lead Tungstate Calorimeter
在DESY II测试束流设施上对钨酸铅量热器原型进行测试，比较流式与触发读出方案，为双光子交换实验和未来电子-离子对撞机探测器提供经验。
An effort is underway to develop streaming readout data acquisition system for the CLAS12 detector in Jefferson Lab's experimental Hall-B. Successful beam tests were performed in the spring and summer of 2020 using a 10GeV electron beam from Jefferson Lab's CEBAF accelerator. The prototype system combined elements of the TriDAS and CODA data acquisition systems with the JANA2 analysis/reconstruction framework. This successfully merged components that included an FPGA stream source, a distributed hit processing system, and software plugins that allowed offline analysis written in C++ to be used…
Current and future experiments at the high intensity frontier are expected to produce an enormous amount of data that needs to be collected and stored for offline analysis. Thanks to the continuous progress in computing and networking technology, it is now possible to replace the standard `triggered' data acquisition systems with a new, simplified and outperforming scheme. `Streaming readout' (SRO) DAQ aims to replace the hardware-based trigger with a much more powerful and flexible software-based one, that considers the whole detector information for efficient real-time data tagging and selec…
The RFX-mod2 Nuclear Fusion experiment is an upgrade of RFX-mod, shutdown in 2016. Among the other improvements in the machine structure and diagnostics, a larger number of electromagnetic probes (EMs) is foreseen to provide more information about plasma instabilities and to allow an improved real-time plasma control. An Analog to Digital Converter (ADC) architecture able to provide at the same time both transient recording and real-time streaming, as well as FPGA-based time integration of the inputs is foreseen in RFX-mod2. Transient recording provides full speed data acquisition (up to 1 MSa…
The Compressed Baryonic Matter~(CBM) experiment in the upcoming Facility for Antiproton and Ion Research~(FAIR), designed to take data in nuclear collisions at very high interaction rates of up to 10 MHz, will employ a free-streaming data acquisition with self-triggered readout electronics, without any hardware trigger. A simulation framework with a realistic digitization of the detectors in the muon chamber (MuCh) subsystem in CBM has been developed to provide a realistic simulation of the time-stamped data stream. In this article, we describe the implementation of the free-streaming detector…
FPGA-Based RoCEv2-RDMA Readout Electronics for the CTAO-LST Advanced Camera
本研究为CTAO-LST先进相机升级提出基于FPGA的RoCEv2-RDMA读出电子学架构，采用定制高通道数采样板作前端，通过硬件实现RDMA实现无CPU干预的数据直传，完成了前后端设计与测试。
TD-Link: A Daisy-Chain Optical Architecture for Integrated Data Readout and Deterministic Timing Distribution in Large-Scale Detector Systems
提出TD-Link光通信架构，采用菊花链环拓扑和基于令牌的流协议，在单光纤上实现高吞吐数据读出与亚纳秒定时同步，实验验证板间同步抖动低于28皮秒。
Large-scale real-time signal processing in physics experiments: The ALICE TPC FPGA pipeline
ALICE TPC在LHC Run 3中升级为连续读取模式，需实时处理高达3TB/s的原始数据，通过定制FPGA流水线实现前端数据处理，包括共模校正、基底减去、离子尾过滤等，以提高高负载条件下的信号恢复精度。
Real-Time Charged Track Reconstruction for CLAS12
本文提出使用机器学习算法从CLAS12漂移室的原始击中数据中实时重建带电粒子径迹，实现了高精度的动量与方向重建及事件拓扑识别，显著提升了核物理实验的数据处理效率并支持流式读出应用。
Large area triple GEM chambers will be employed in the first two stations of the MuCh system of the CBM experiment at the upcoming Facility for Antiproton and Ion Research FAIR in Darmstadt/Germany. The GEM detectors have been designed to take data at an unprecedented interaction rate (up to 10 MHz) in nucleus-nucleus collisions in CBM at FAIR. Real-size trapezoidal modules have been installed in the mCBM experiment and tested in nucleus-nucleus collisions at the SIS18 beamline of GSI as a part of the FAIR Phase-0 program. In this report, we discuss the design, installation, commissioning, and…
The majority of high energy physics experiments rely on data acquisition and hardware-based trigger systems performing a number of stringent selections before storing data for offline analysis. The online reconstruction and selection performed at the trigger level are bound to the synchronous nature of the data acquisition system, resulting in a trade-off between the amount of data collected and the complexity of the online reconstruction performed. Exotic physics processes, such as long-lived and slow-moving particles, are rarely targeted by online triggers as they require complex and nonstan…
T-DAQ-P: a portable tablet-form multi-stream data acquisition and contextual telemetry platform based on COTS modules and a custom integration layer
本文提出T-DAQ-P，一种便携式数据采集和 telemetry 平台，结合多流处理、慢控制 telemetry 和面向操作员的调试工具，提供实验室和现场的可靠数据采集方案。
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