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DAQ readout prototype for JUNO

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Radiation Detection Technology and Methods Aims and scope Submit manuscript

Abstract

Purpose

The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose underground neutrino experiment. About 18000 20-inch photomultipliers (PMTs) are instrumented in the Central Detector to detect the photons, and the signals will be captured by high-speed high-resolution waveform full sampling technique. In addition, about 25000 3-inch PMTs are also instrumented to capture T/Q Hits information. This work builds a DAQ readout prototype system for JUNO, which can be used to test the full readout chain for 20-inch and 3-inch PMTs.

Methods

The system is designed to continuously readout the data flow from multiple electronics channels, check the raw data, and finally save them into disk. Meanwhile, the graphical user interface (GUI) provides a real time display of the sampled waveforms. The system is developed with the open source Qt platform.

Results

The design and performance of the system have been verified in detail, particularly by performance test based on Gigabit Ethernet and 10-Gigabit Ethernet.

Conclusion

A DAQ readout prototype system has been developed for JUNO, which is successfully applied to electronics testing system in Italy and PMT testing system in Guangdong.

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Acknowledgements

We would like to sincerely thank the electronics group of JUNO for their help during tests. They provided the hardware equipment needed for the integration and actively cooperated with the joint-debugging. Their help played a vital role in the implementation of the system in this paper. This work was partially supported by the Strategic Priority Research Program of the Chinese Academy of Sciences under Grant No. XDA10010700, and CAS Center for Excellence in Particle Physics (CCEPP).

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Authors and Affiliations

  1. State Key Laboratory of Particle Detection and Electronics, Institute of High Energy Physics, CAS, Beijing, 100049, China

    Tong Zhou, Xiaolu Ji, Kejun Zhu & Fei Li

  2. University of Chinese Academy of Sciences, Beijing, 100049, China

    Tong Zhou

Authors
  1. Tong Zhou
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  2. Xiaolu Ji
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  3. Kejun Zhu
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  4. Fei Li
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Corresponding author

Correspondence to Tong Zhou.

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Zhou, T., Ji, X., Zhu, K. et al. DAQ readout prototype for JUNO. Radiat Detect Technol Methods 5, 600–608 (2021). https://doi.org/10.1007/s41605-021-00290-5

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  • DOI: https://doi.org/10.1007/s41605-021-00290-5

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