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The JSNS² data acquisition system

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arxiv 2006.00670 v1 pith:PX6UXPF7 submitted 2020-06-01 physics.ins-det hep-ex

The JSNS² data acquisition system

classification physics.ins-det hep-ex
keywords dataj-parcjsnsacquisitionneutrinosearchsystemtons
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The JSNS$^{2}$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) experiment aims to search for neutrino oscillations over a 24 m short baseline at J-PARC. The JSNS$^{2}$ inner detector is filled with 17 tons of gadolinium(Gd)-loaded liquid scintillator (LS) with an additional 31 tons of unloaded LS in the intermediate $\gamma$-catcher and an optically separated outer veto volumes. A total of 120 10-inch photomultiplier tubes observe the scintillating optical photons and each analog waveform is stored with the flash analog-to-digital converters. We present details of the data acquisition, processing, and data quality monitoring system. We also present two different trigger logics which are developed for the beam and self-trigger.

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