The STAR Forward Silicon Tracker

被引：0

作者：

Brandenburg, J. D. ^{[9
]}

Chang, Y. ^{[8
,10
]}

Dong, J. ^{[11
]}

He, Y. ^{[11
]}

Hu, Y. ^{[1
,3
,7
]}

Huang, B. ^{[8
]}

Huang, H. ^{[8
]}

Huang, T. ^{[8
,13
]}

Li, H. ^{[10
]}

Nie, M. ^{[11
]}

Sharma, R.

Sun, X. ^{[5
,13
]}

Tribedy, P. ^{[1
]}

Videbaek, F. ^{[1
]}

Visser, G. ^{[4
]}

Wilks, G. ^{[13
]}

Wang, P. ^{[8
]}

Xie, G. ^{[12
,13
]}

Yan, G. ^{[11
]}

Ye, Z. ^{[7
,13
]}

Yi, L. ^{[11
]}

Yang, Y. ^{[6
,8
]}

Zhang, S. ^{[1
,2
,13
]}

Zhang, Z. ^{[13
]}

机构：

[1] Brookhaven Natl Lab, Upton, NY 11973 USA

[2] Chongqing Univ, Chongqing 401331, Peoples R China

[3] Fudan Univ, Shanghai 200433, Peoples R China

[4] Indiana Univ, Bloomington, IN 47408 USA

[5] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China

[6] Acad Sinica, Inst Phys, Taipei 115, Taiwan

[7] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[8] Natl Cheng Kung Univ, Tainan 70101, Taiwan

[9] Ohio State Univ, Columbus, OH 43210 USA

[10] Purdue Univ, W Lafayette, IN 47907 USA

[11] Shandong Univ, Qingdao 266237, Shandong, Peoples R China

[12] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[13] Univ Illinois, Chicago, IL 60607 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2025年 / 1072卷

关键词：

Forward tracking in colliders; Silicon strip detector;

D O I：

10.1016/j.nima.2025.170202

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Forward Silicon Tracker (FST) is a pivotal component of the forward upgrade of the Solenoidal Tracker at RHIC (STAR), designed to discern hadron charge signs with a momentum resolution better than 30% for 0.2 < p(T) <2 GeV/c in the 2.5 < n <4 pseudorapidity range. Its compact design features three disks along the beam direction, minimized material budget, and scattering effects. The FST uses Hamamatsu's p-in-n silicon strip sensors with a double metal layer that enables efficient signal routing to the readout electronics, enhancing overall detector performance. The flexible hybrid boards, essential for the readout system, are constructed with Kapton and copper layers to optimize signal handling and power distribution. These boards connect silicon strips to analogue pipeline ASIC APV25-S1 chips, which read up to 128 channels each. A cooling system with nonconducting, volatile NOVEC 7200 coolant at 22.2 degrees C mitigates ASIC-generated heat. The FST enhances forward tracking performance at STAR as an integral part of the forward upgrade.

引用

页数：14

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