Abstract
An experiment to test Lepton Flavor Universality (LFU) using a precise measurement of the decay width ratio of the two-body kaon decays with a positron and a muon (J-PARC E36), completed data-taking in December 2015. The experiment was performed on the K1.1BR beam-line at the Japan Proton Accelerator Research Complex (J-PARC). We developed and constructed a data acquisition (DAQ) system for this experiment. The DAQ system had to integrate several traditional and also recent types of readout systems to satisfy the experimental requirements. We used an event synchronization method by distributing the event identifying number, called the event-tag, and a common network to integrate the different types of readout systems. The entire DAQ was very stable during the experiment data-taking with 10 % dead-time at a trigger rate of 250 Hz.
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