Performance characterization of the camera integrated modules for the MACE telescope

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-05-01 Epub Date: 2025-01-31 DOI:10.1016/j.nima.2025.170258

K. Venugopal , S. Godambe , J. Hariharan , S. Godiyal , N. Mankuzhyil , D. Sarkar , K.K. Singh , C.P. Kushwaha , A. Tolamatti , S. Norlha , R. Thubstan , S.V. Kotwal , Keshavanand , N. Chouhan , V.K. Dhar , K.K. Yadav

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Abstract

MACE (Major atmospheric Cherenkov experiment) is an imaging atmospheric Cherenkov telescope situated at an altitude of 4270 m above sea level in the Himalayan desert region at Hanle, India. It deploys a large light collector of 21 m diameter and an imaging camera with 0.125° pixel resolution at the focal plane. The imaging camera has been designed as a modular structure comprising of 68 camera integrated modules (CIMs). Each CIM contains 16 photomultiplier tubes (PMTs) along with associated electronics and a data acquisition system. In this study, we evaluated the performance of 74 CIMs using an in-house developed test setup and data analysis software. Long-term monitoring of various system health parameters, based on telemetry and event data, indicates steady and consistent performance of CIMs in the camera.

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MACE望远镜相机集成模块的性能表征

主要大气切伦科夫实验（MACE）是一个成像大气切伦科夫望远镜，位于印度汉勒喜马拉雅沙漠地区海拔4270米的高度。它部署了一个直径为21米的大型光收集器和一个焦平面分辨率为0.125°像素的成像相机。成像相机被设计成由68个相机集成模块（cim）组成的模块化结构。每个CIM包含16个光电倍增管（pmt）以及相关的电子设备和数据采集系统。在这项研究中，我们使用内部开发的测试设置和数据分析软件评估了74个cim的性能。基于遥测和事件数据的各种系统健康参数的长期监控表明摄像机中的cim性能稳定一致。

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来源期刊

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment 物理-光谱学

CiteScore

3.20

自引率

21.40%

发文量

787

审稿时长

1 months

期刊介绍： Section A of Nuclear Instruments and Methods in Physics Research publishes papers on design, manufacturing and performance of scientific instruments with an emphasis on large scale facilities. This includes the development of particle accelerators, ion sources, beam transport systems and target arrangements as well as the use of secondary phenomena such as synchrotron radiation and free electron lasers. It also includes all types of instrumentation for the detection and spectrometry of radiations from high energy processes and nuclear decays, as well as instrumentation for experiments at nuclear reactors. Specialized electronics for nuclear and other types of spectrometry as well as computerization of measurements and control systems in this area also find their place in the A section. Theoretical as well as experimental papers are accepted.