新型RD51 VMM3a/SRS束流望远镜的性能——在高计数率下同时研究MPGD的能量、空间和时间特性
Performance of the new RD51 VMM3a/SRS beam telescope---studying MPGDs simultaneously in energy, space and time at high rates
AI总结：
本文报道了配备VMM3a/SRS新型前端电子学的RD51束流望远镜的性能研究，实现了MHz级高计数率、约1 ns时间分辨率及更大动态范围，可同时研究MPGD的能量、空间和时间特性。
摘要：
RD51合作组在CERN维护着一套用于其研发活动的公共基础设施，其中包括两台用于测试束流实验的束流望远镜。最近，其中一台束流望远镜已配备并调试了基于ATLAS/BNL VMM3a前端ASIC和RD51可扩展读出系统（SRS）的新型多通道电荷灵敏前端电子学。由于与之前基于APV25 ASIC的前端电子学相比具有更大的动态范围，该系统能够以高计数率（最高可达MHz量级）读出探测器，电子学时间分辨率约为1 ns，并且能够处理不同类型和尺寸的探测器。在三次测试束流实验过程中研究并改进了该束流望远镜的性能后，本文给出了相关结果。
英文摘要：
The RD51 collaboration maintains a common infrastructure at CERN for its R & D activities, including two beam telescopes for test beam campaigns. Recently, one of the beam telescopes has been equipped and commissioned with new multi-channel and charge-sensitive front-end electronics based on the ATLAS/BNL VMM3a front-end ASIC and the RD51 Scalable Readout System (SRS). This allows to read out the detectors at high rates (up to the MHz regime) with electronics time resolutions of the order of 1 ns and the ability to handle different detector types and sizes, due to a larger dynamic range compared to the previous front-end electronics based on the APV25 ASIC. Having studied and improved the beam telescope's performance over the course of three test beam campaigns, the results are presented in this paper.
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