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Beam Test Characterization of Silicon Microstrip Detector Flight-Model Ladders for the AMS-02 Upgrade

Fuente: arXiv

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Main Authors:	Miao, Dexing, Ambrosi, Giovanni, Barbanera, Mattia, Batsukh, Baasansuren, Cai, Hengyi, Cai, Mengke, Cai, Xudong, Cai, Yuman, Chang, Yuan-Hann, Chen, Shanzhen, Chou, Hsin-Yi, Cui, Xingzhu, Dong, Mingyi, Duranti, Matteo, Gong, Ke, Feng, Mingjie, Formato, Valerio, Fu, Yisheng, Hong, Daojin, Ionica, Maria, Jiang, Xiaojie, Jiang, Yaozu, Jin, Liangchenglong, Jin, Shengjie, Koutsenko, Vladimir, Li, Qinze, Li, Tiange, Li, Zuhao, Lin, Chih-Hsun, Liu, Changcheng, Liu, Cong, Liu, Hanbing, Liu, Pingcheng, Oliva, Alberto, Peng, Ji, Peng, Wenxi, Qiao, Rui, Sheng, Shuqi, Shi, Tianyu, Silvestre, Gianluigi, Sun, Zetong, Wang, Congcong, Wang, Feng, Wang, Hongbo, Wang, Zhijie, Wu, Zibing, Xiang, Zhiyu, Xiao, Suyu, Xu, Weiwei, Yan, Zixuan, Yang, Haotian, Yang, Sheng, You, Yuhang, Yuan, Xuhao, Yuan, Yuan, Zhang, Fengze, Zhang, Xiyuan, Xu, Zijun, Wang, Jianchun
Format:	Preprint
Published:	2026
Subjects:	Instrumentation and Detectors
Online Access:	Acceder al recurso
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_version_	1866918409750446080
author	Miao, Dexing Ambrosi, Giovanni Barbanera, Mattia Batsukh, Baasansuren Cai, Hengyi Cai, Mengke Cai, Xudong Cai, Yuman Chang, Yuan-Hann Chen, Shanzhen Chou, Hsin-Yi Cui, Xingzhu Dong, Mingyi Duranti, Matteo Gong, Ke Feng, Mingjie Formato, Valerio Fu, Yisheng Hong, Daojin Ionica, Maria Jiang, Xiaojie Jiang, Yaozu Jin, Liangchenglong Jin, Shengjie Koutsenko, Vladimir Li, Qinze Li, Tiange Li, Zuhao Lin, Chih-Hsun Liu, Changcheng Liu, Cong Liu, Hanbing Liu, Pingcheng Oliva, Alberto Peng, Ji Peng, Wenxi Qiao, Rui Sheng, Shuqi Shi, Tianyu Silvestre, Gianluigi Sun, Zetong Wang, Congcong Wang, Feng Wang, Hongbo Wang, Zhijie Wu, Zibing Xiang, Zhiyu Xiao, Suyu Xu, Weiwei Yan, Zixuan Yang, Haotian Yang, Sheng You, Yuhang Yuan, Xuhao Yuan, Yuan Zhang, Fengze Zhang, Xiyuan Xu, Zijun Wang, Jianchun
author_facet	Miao, Dexing Ambrosi, Giovanni Barbanera, Mattia Batsukh, Baasansuren Cai, Hengyi Cai, Mengke Cai, Xudong Cai, Yuman Chang, Yuan-Hann Chen, Shanzhen Chou, Hsin-Yi Cui, Xingzhu Dong, Mingyi Duranti, Matteo Gong, Ke Feng, Mingjie Formato, Valerio Fu, Yisheng Hong, Daojin Ionica, Maria Jiang, Xiaojie Jiang, Yaozu Jin, Liangchenglong Jin, Shengjie Koutsenko, Vladimir Li, Qinze Li, Tiange Li, Zuhao Lin, Chih-Hsun Liu, Changcheng Liu, Cong Liu, Hanbing Liu, Pingcheng Oliva, Alberto Peng, Ji Peng, Wenxi Qiao, Rui Sheng, Shuqi Shi, Tianyu Silvestre, Gianluigi Sun, Zetong Wang, Congcong Wang, Feng Wang, Hongbo Wang, Zhijie Wu, Zibing Xiang, Zhiyu Xiao, Suyu Xu, Weiwei Yan, Zixuan Yang, Haotian Yang, Sheng You, Yuhang Yuan, Xuhao Yuan, Yuan Zhang, Fengze Zhang, Xiyuan Xu, Zijun Wang, Jianchun
contents	The AMS-02 experiment plans to install a new silicon microstrip tracker layer (Layer-0) on top of the existing detector, increasing the cosmic-ray acceptance by a factor of 3. Layer-0 employs a design in which multiple silicon microstrip detectors (SSDs) are connected in series to form long detector ladders. We present a detailed performance study of the flight-model ladders using a 350~GeV mixed hadron beam at the CERN SPS. The study focuses on the following aspects: (i) the performance of ladders with different numbers of SSDs, for which the intrinsic spatial resolution at normal incidence varies from $9.5~μ\mathrm{m}$ to $11.4~μ\mathrm{m}$ for ladders composed of 8 to 12 SSDs; (ii) the response consistency for particles impacting on the \emph{Head} and \emph{Tail} regions of the ladder; and (iii) the dependence of the detector performance on the particle incidence angle.
format	Preprint
id	arxiv_https___arxiv_org_abs_2603_25085
institution	arXiv
publishDate	2026
record_format	arxiv
spellingShingle	Beam Test Characterization of Silicon Microstrip Detector Flight-Model Ladders for the AMS-02 Upgrade Miao, Dexing Ambrosi, Giovanni Barbanera, Mattia Batsukh, Baasansuren Cai, Hengyi Cai, Mengke Cai, Xudong Cai, Yuman Chang, Yuan-Hann Chen, Shanzhen Chou, Hsin-Yi Cui, Xingzhu Dong, Mingyi Duranti, Matteo Gong, Ke Feng, Mingjie Formato, Valerio Fu, Yisheng Hong, Daojin Ionica, Maria Jiang, Xiaojie Jiang, Yaozu Jin, Liangchenglong Jin, Shengjie Koutsenko, Vladimir Li, Qinze Li, Tiange Li, Zuhao Lin, Chih-Hsun Liu, Changcheng Liu, Cong Liu, Hanbing Liu, Pingcheng Oliva, Alberto Peng, Ji Peng, Wenxi Qiao, Rui Sheng, Shuqi Shi, Tianyu Silvestre, Gianluigi Sun, Zetong Wang, Congcong Wang, Feng Wang, Hongbo Wang, Zhijie Wu, Zibing Xiang, Zhiyu Xiao, Suyu Xu, Weiwei Yan, Zixuan Yang, Haotian Yang, Sheng You, Yuhang Yuan, Xuhao Yuan, Yuan Zhang, Fengze Zhang, Xiyuan Xu, Zijun Wang, Jianchun Instrumentation and Detectors The AMS-02 experiment plans to install a new silicon microstrip tracker layer (Layer-0) on top of the existing detector, increasing the cosmic-ray acceptance by a factor of 3. Layer-0 employs a design in which multiple silicon microstrip detectors (SSDs) are connected in series to form long detector ladders. We present a detailed performance study of the flight-model ladders using a 350~GeV mixed hadron beam at the CERN SPS. The study focuses on the following aspects: (i) the performance of ladders with different numbers of SSDs, for which the intrinsic spatial resolution at normal incidence varies from $9.5~μ\mathrm{m}$ to $11.4~μ\mathrm{m}$ for ladders composed of 8 to 12 SSDs; (ii) the response consistency for particles impacting on the \emph{Head} and \emph{Tail} regions of the ladder; and (iii) the dependence of the detector performance on the particle incidence angle.
title	Beam Test Characterization of Silicon Microstrip Detector Flight-Model Ladders for the AMS-02 Upgrade
topic	Instrumentation and Detectors
url	https://arxiv.org/abs/2603.25085