Research of a charge sensitive device for the search of the time reversal symmetry violation using kaon decay

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TREK experiment is an experiment of the search for the time reversal invariance using kaon decay, planned at Japan Proton Accelerator Research Complex(J-PARC). We researched the high speed signal to digital conversion methods and the reading the charge information and the timing information. And we developed the practical read-out module to use TREK experiment. In this study, we understood that a method using the flash ADC is effective. And we developed a flash ADC module which has the sufficient the charge resolution and the time resolution.