Journal
JOURNAL OF INSTRUMENTATION
Volume 16, Issue 12, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1748-0221/16/12/T12015
Keywords
Data acquisition circuits; Modular electronics; Dark Matter detectors (WIMPs, axions, etc.)
Categories
Funding
- Ministry of Science and Technology of China [2016YFA0400301, 2016YFA0400302]
- Double Top-class grant from Shanghai Jiao Tong University
- National Science Foundation of China [11875190, 11505112, 11775142, 11755001, 12090063]
- Office of Science and Technology, Shanghai Municipal Government [18JC1410200]
- Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education
- Chinese Academy of Sciences Center for Excellence in Particle Physics (CCEPP)
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This paper presents a waveform digitizer for PandaX dark matter experiments, with support for both external-trigger and triggerless readouts. It features an 8-channel VME board with a sampling rate of 500 MS/s and 14-bit resolution per channel. The digitizer system, consisting of 72 channels, has been successfully tested in situ for the PandaX-4T experiment.
Waveform digitizers are key readout instruments in particle physics experiments. In this paper, we present a waveform digitizer for the PandaX dark matter experiments. It supports both external-trigger readout and triggerless readout, accommodating the needs of low rate fullwaveform readout and channel-independent low threshold acquisition, respectively. This digitizer is a 8-channel VME board with a sampling rate of 500 MS/s and 14-bit resolution for each channel. A digitizer system consisting of 72 channels has been tested in situ of the PandaX-4T experiment. We report the system performance with real data.
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