HL-LHC CMS外 tracker升级概述及2S模块生产经验教训
Overview of the HL-LHC CMS outer tracker upgrade and lessons learned from 2S module production
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- Université Libre de Bruxelles（布鲁塞尔自由大学）
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中文总结 AI 辅助
本文概述了HL-LHC CMS外 tracker升级中2S模块的生产过程，并分享了组装与测试中的经验教训，强调了高精度和严格要求的挑战。
中文摘要 AI 辅助
为了在高亮度LHC运行，CMS合作组织正在开发一种显著增强的硅探测器系统，具有更高的抗辐射能力、更高的粒度，并将覆盖范围扩展到伪快度|η|<4。外 tracker将配备两种类型的模块（2S和PS），它们将通过拒绝低于一定横向动量阈值的粒子信号，为HL-LHC CMS探测器的L1触发提供跟踪信息。因此，这些模块必须以高精度组装，并必须满足严格的要求。本文介绍了2S模块生产的概述，以及模块组装和性能测试过程中遇到的问题和经验教训的代表性示例。
英文摘要
For operation at the High-Luminosity LHC, the CMS collaboration is developing a significantly enhanced silicon detector system with improved radiation hardness, higher granularity, and extended coverage up to a pseudorapidity of |eta| < 4. The Outer Tracker will be equipped with two types of modules (2S and PS) that will provide tracking information to the L1 trigger of the HL-LHC CMS detector, by rejecting signals from particles below a certain transverse momentum threshold. Hence, these modules must be assembled with high precision and have to pass strict requirements. In this note, an overview of 2S module production is presented, as well as representative examples of problems and experience acquired during module assembly and performance tests.
