用于RICH探测器的HRPPD光传感器，具有高分辨率定时能力

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 : 2025-08-24 DOI:10.1016/j.nima.2025.170964

A.V. Lyashenko , J. Agarwala , A. Asaturyan , M. Aviles , B. Azmoun , C. Chatterjee , S.M. Clarke , S. Cwik , C.J. Hamel , Y. Jin , A. Kiselev , M.J. Minot , B. Page , M.A. Popecki , M. Purschke , S. Stoll , C. Woody

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引用次数: 0

摘要

最近，一种新版本的直流耦合高速率皮秒光电探测器（DC-HRPPDs）被开发出来，用于电子-离子对撞机（EIC）。第一批7架“EIC hrppd”在2024年初制造。这些hrppd是基于微通道板（mcp）的直流耦合光传感器，其有效面积为104 mm × 104 mm， 32 × 32直接读出像素阵列，间距为3.25 mm，峰值量子效率超过30%，极低的黑暗计数率和单光子探测的15-20 ps的定时分辨率。因此，这些光传感器非常适合环成像切伦科夫（RICH）探测器，也可以提供高分辨率定时能力，特别是在一个配置中，检测到的带电粒子通过传感器窗口，产生包含几十个切伦科夫光子的局部闪光。

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HRPPD photosensors for RICH detectors with a high resolution timing capability

Recently, a new version of DC-coupled High Rate Picosecond Photodetectors (DC-HRPPDs) substantially re-designed for use at the Electron-Ion Collider (EIC) has been developed. A first batch of seven “EIC HRPPDs” was manufactured in early 2024. These HRPPDs are DC-coupled photosensors based on Micro-Channel Plates (MCPs) that have an active area of 104 mm by 104 mm, 32 × 32 direct readout pixel array at a pitch of 3.25 mm, peak quantum efficiency in excess of 30%, exceptionally low dark count rates and timing resolution of 15–20 ps for a single photon detection. As such, these photosensors are very well suited for Ring Imaging CHerenkov (RICH) detectors that can also provide high resolution timing capability, especially in a configuration where a detected charged particle passes through the sensor window, which produces a localized flash containing a few dozens of Cherenkov photons in it.

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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.