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Development of a data acquisition system for the MALBEK Low-Background BEGe detector

机译:开发用于MALBEK低背景BEGe探测器的数据采集系统

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The Majorana collaboration is currently building the Majorana Demonstrator, an array of natural and en­riched high purity germanium (HPGe) detectors that will search for the neutrinoless double-beta decay of the 76Ge isotope. As part of the Demonstrator research and development effort we have deployed a prototype 450 g modified broad energy germanium (BEGe) detector at the Kimballton Underground Research Facility (KURF) in Ripplemeade, VA. This detector, the Majorana Low-Background BEGe Detector at KURF (MAL-BEK), will examine detector performance and background in the double-beta decay region of interest as well as explore the sub-keV energy spectrum in a search for light weakly interacting massive particles (WIMPs). In order to achieve this goal we have implemented a modular and highly automated data acquisition system (DAQ) capable of digitizing sub-keV signals and running autonomously in an underground environment. The DAQ is built using the Object-oriented Real-time Control and Acquisition (ORCA) application. ORCA enables the remote monitoring and control of all DAQ electronics, hardware, and slow control systems. A built in scripting language, ORCAScript, allows for the automation of run-time experimental parameters, real-time event building and data filtering, and system monitoring with email notification and alarms. The implemented MALBEK DAQ is currently operating at KURF in a production data taking mode.
机译:Majorana合作目前正在建设Majorana Sextsator,这是一种天然和富含高纯度锗(HPGE)探测器的阵列,这些探测器将搜索 76 ge同位素的中性碱双β衰减。作为示威者研发的一部分,我们在Kimballton地下研究设施(Kurf)中,我们已经部署了一个原型450克修饰的广泛能量锗(Bege)探测器在Ripplemeade,VA。 Kurf(MAL-BEK)的Majorana低背景Bege探测器的探测器将检查探测器的探测器性能和背景,以及探索搜索弱弱交互的子kev能量谱巨大的颗粒(WIMPS)。为了实现这一目标,我们已经实现了一种模块化和高度自动化的数据采集系统(DAQ),其能够在地下环境中自主地进行数字化。 DAQ是使用面向对象的实时控制和采集(ORCA)应用程序构建的。 ORCA启用所有DAQ电子,硬件和慢速控制系统的远程监控和控制。 A内置脚本语言,ORCAScript,允许运行时实验参数,实时事件构建和数据过滤的自动化,以及电子邮件通知和警报的系统监控。实施的Malbek DAQ目前在生产数据采取模式下在Kurf运行。

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