J-PARC E36实验数据采集系统

Y. Igarashi, Haiyun Lu, R. Tanuma
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引用次数: 2

摘要

通过精确测量带有正电子和介子的两体k介子衰变的衰变宽度比(J-PARC E36),一项测试轻子味普适性(LFU)的实验于2015年12月完成了数据采集。实验在日本质子加速器研究中心(J-PARC)的K1.1BR束流线上进行。为此,我们开发并构建了一个数据采集系统。DAQ系统必须集成几个传统的和最近类型的读出系统,以满足实验要求。我们通过分配事件标识号(称为事件标记)和公共网络来集成不同类型的读出系统,从而使用事件同步方法。在250 Hz的触发率下,整个DAQ在10%的死区时间内非常稳定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Data acquisition system for the J-PARC E36 experiment
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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