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Readout electronics and data acquisition system of PandaX-4T experiment

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arxiv 2108.03433 v2 pith:5NYCQEDA submitted 2021-08-07 physics.ins-det hep-ex

Jijun Yang , Xun Chen , Changda He , Di Huang , Yanlin Huang , Jianglai Liu , Xiangxiang Ren , Anqing Wang
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Meng Wang Binbin Yan Kai Yin Jinqun Yang Yong Yang Qibin Zheng
This is my paper · ORCID
classification physics.ins-dethep-ex
keywords systempandax-4treadoutdarkdataexperimentmatteracquisition
verification ladder T0 review T1 audit T2 compute T3 formal
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PandaX-4T is a dark matter direct detection experiment located in China jinping underground laboratory. The central apparatus is a dual-phase xenon detector containing 4 ton liquid xenon in the sensitive volume, with about 500 photomultipliers instrumented in the top and the bottom of the detector. In this paper we present a completely new system of readout electronics and data acquisition in the PandaX-4T experiment. Compared to the one used in the previous PandaX dark matter experiments, the new system features triggerless readout and higher bandwidth. With triggerless readout, dark matter searches are not affected by the efficiency loss of external triggers. The system records single photelectron signals of the dominant PMTs with an average efficiency of 96\%, and achieves the bandwidth of more than 450 MB/s. The system has been used to successfully acquire data during the commissioning runs of PandaX-4T.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. AURORA: A High Performance Software DAQ Framework for Next-Generation Rare-Event Search Experiments

    physics.ins-det 2026-04 unverdicted novelty 5.0 of 10

    AURORA delivers a scalable DAQ system projected to exceed 3 GB/s throughput for experiments like PandaX-xT that generate up to 1.6 GB/s from 3000+ channels at 500 MSa/s.

  2. Characterization of Hamamatsu R11410-23 Photomultiplier Tubes and Performance in the PandaX-4T Detector

    hep-ex 2025-05 conditional novelty 5.0 of 10

    The PandaX-4T collaboration reports the first full characterization of 422 R11410-23 PMTs and documents their stable in-situ performance during the commissioning run.

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