The SPD Beam-Beam Counter Scintillation Detector Prototype Tests with FERS-5200 Front-End Readout System

IF 0.4 Q4 PHYSICS, PARTICLES & FIELDS Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI:10.1134/S1547477124701188

A. V. Tishevsky, F. A. Dubinin, A. Yu. Isupov, V. P. Ladygin, G. A. Nigmatkulov, S. G. Reznikov, P. E. Teterin, I. S. Volkov, A. M. Zakharov

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Abstract

The Spin Physics Detector is a collider experiment at NICA designed to study the spin structure of the proton and deuteron and other spin-related phenomena using polarized beams. The collision energy is up to 27 GeV and the luminosity is up to 10³² cm^–2 s^–1 in pp mode. Two scintillator-based detectors, Beam-Beam Counters (BBC), will be installed upstream and downstream the interaction point and will serve as a tool for beam diagnostics including local polarimetry. The BBCs will be designed as high granularity scintillation detectors. In this paper we present the tests of a BBC prototype based on the tiles with the green wavelength shifter and silicon photomultiplier (SiPM) readout. The prototype was tested with 1 × 1 mm² and 3 × 3 mm² SensL SiPM using CAEN FERS-5200 front-end readout system. Amplitude and time response to cosmic rays was compared for different tile configurations.

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采用 FERS-5200 前端读出系统的 SPD 光束-光束计数器闪烁探测器原型测试

摘要 "自旋物理探测器 "是美国国家核物理研究所的一个对撞机实验，旨在利用偏振光束研究质子和氘核的自旋结构以及其他与自旋有关的现象。在pp模式下，对撞能量高达27 GeV，光度高达1032 cm-2 s-1。将在相互作用点的上游和下游安装两个基于闪烁体的探测器，即光束-光束计数器（BBC），作为光束诊断工具，包括局部偏振测量。BBC 将被设计成高粒度闪烁探测器。在本文中，我们介绍了基于带有绿色波长转换器和硅光电倍增管（SiPM）读出器的瓦片的 BBC 原型的测试情况。利用 CAEN FERS-5200 前端读出系统，使用 1 × 1 mm2 和 3 × 3 mm2 SensL SiPM 对原型进行了测试。比较了不同瓦片配置对宇宙射线的振幅和时间响应。

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来源期刊

Physics of Particles and Nuclei Letters PHYSICS, PARTICLES & FIELDS-

CiteScore

0.80

自引率

20.00%

发文量

108

期刊介绍： The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.