Beam test results of the Intermediate Silicon Tracker for sPHENIX

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 : 2026-06-01 Epub Date: 2026-01-27 DOI:10.1016/j.nima.2026.171312

C.W. Shih , G. Nukazuka , Y. Sugiyama , Y. Akiba , D. Cacace , H. En’yo , T. Hachiya , S. Hasegawa , M. Hata , H. Imai , C.M. Kuo , M. Morita , I. Nakagawa , Y. Nakamura , G. Nakano , Y. Namimoto , R. Nouicer , R. Pisani , M. Shibata , M. Shimomura , M. Watanabe

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Abstract

The Intermediate Silicon Tracker (INTT), a two-layer barrel silicon strip tracker, is a key component of the tracking system for sPHENIX at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory. The INTT is designed to enable the association of reconstructed tracks with individual RHIC bunch crossings. To evaluate the performance of preproduction INTT ladders and the readout chain, a beam test was conducted at the Research Center for Accelerator and Radioisotope Science, Tohoku University, Japan. This paper presents the performance of the INTT evaluated through studies of the signal-to-noise ratio, residual distribution, spatial resolution, hit-detection efficiency, and multiple track reconstruction.

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sPHENIX中间硅跟踪器的光束测试结果

中间硅跟踪器（INTT）是一种双层桶状硅条跟踪器，是布鲁克海文国家实验室相对论重离子对撞机（RHIC） sPHENIX跟踪系统的关键组成部分。INTT的设计目的是使重建轨道与单独的RHIC束交叉相关联。为了评估预生产INTT阶梯和读出链的性能，在日本东北大学加速器和放射性同位素科学研究中心进行了光束测试。本文通过研究信噪比、残差分布、空间分辨率、碰撞检测效率和多航迹重建来评估INTT的性能。

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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.