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Time over threshold electronics for an underwater neutrino telescope

机译:水下中微子望远镜的超限阈值电子设备

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The use of time over threshold (ToT) digitization techniques for the treatment of the output signals of the photomultiplier tubes (PMTs) of the KM3NeT detector is under consideration by the KM3NeT consortium. In this technique the leading and trailing edge of the signal above a certain threshold are time stamped and the corresponding times are sent to the onshore acquisition system. More information can be obtained by applying the same scheme at multiple threshold levels. In this note, we present the efficiency of such a digitization technique applied to signals provided by the HEllenic LYceum Cosmic Observatories Network (HELYCON) extensive air shower detector. We describe the operation and performance of these electronics and we evaluate the reconstruction accuracy of PMT signals using data collected from Extensive Air Showers of Cosmic Rays. Finally, we report on our plans to use this electronics in Optical Modules proposed for KM3NeT.
机译:KM3NeT联盟正在考虑使用超过阈值(ToT)的数字化技术来处理KM3NeT检测器的光电倍增管(PMT)的输出信号。在这种技术中,信号的上升沿和下降沿都超过一定阈值时会加上时间戳,并将相应的时间发送到陆上采集系统。通过在多个阈值级别应用相同的方案,可以获得更多信息。在本说明中,我们介绍了这种数字化技术的效率,该技术适用于由Hellynic LYceum宇宙观测站网络(HELYCON)广泛的空气淋浴探测器提供的信号。我们描述了这些电子设备的操作和性能,并使用从宇宙射线的大量空气淋浴收集的数据评估了PMT信号的重构精度。最后,我们报告了我们计划在KM3NeT提议的光模块中使用这种电子设备的计划。

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