Electronics for HARPO: Design, development and validation of electronics for a high performance polarised-Gamma-ray detector

2016 IEEE-NPSS Real Time Conference (RT) Pub Date : 2016-06-06 DOI:10.1109/RTC.2016.7543098

Y. Geerebaert, D. Bernard, P. Bruel, M. Frotin, B. Giebels, P. Gros, D. Horan, M. Louzir, P. Poilleux, I. Semeniouk, Shaobo Wang, D. Attié, D. Calvet, P. Colas, A. Delbart, P. Sizun, D. Gotz, S. Amano, S. Hashimoto, T. Kotaka, Y. Minamiyama, S. Miyamoto, A. Takemoto, M. Yamaguchi, S. Daté, H. Ohkuma

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引用次数: 5

Abstract

We designed and built an experimental apparatus based on a time projection chamber, a novel scheme for high performance γ-ray astronomy and polarimetry in the γ → e+e- regime. This presentation focuses on the electronics aspect of the detector and, in particular, on the versatile dedicated trigger system that we have developed which allowed us to take data on beam with a high γ-conversion signal efficiency and a high rejection factor for single tracks and upstream conversion background events. Our scheme allows for the selective collection of γ conversions in a high-background-rate environment, such as that which is present in orbit, with a fine 3D imaging of the events and very low (in particular electronics) background, at a mild cost in terms of the number of electronics channels and therefore of electrical power consumption.

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HARPO电子产品:设计、开发和验证高性能偏振伽玛射线探测器的电子产品

我们设计并建造了一个基于时间投影室的实验装置，这是一种新的方案，用于γ→e+e-体制下的高性能γ射线天文和偏振测量。本次演讲的重点是探测器的电子方面，特别是我们开发的多功能专用触发系统，该系统使我们能够以高γ转换信号效率和高抑制因子对单轨和上游转换背景事件进行波束数据采集。我们的方案允许在高背景率环境中选择性地收集γ转换，例如存在于轨道上的环境，具有精细的事件3D成像和非常低(特别是电子)背景，在电子通道数量方面的成本较低，因此功耗较低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 IEEE-NPSS Real Time Conference (RT)

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