In-situ monitoring of the CSC gas gain at CMS

被引：0

作者：

Rawal, Neha ^{[1
]}

机构：

[1] Univ Florida, Gainesville, FL 32611 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2024年 / 1066卷

关键词：

Gas gain; Aging; CSC detectors;

D O I：

10.1016/j.nima.2024.169581

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Cathode Strip Chambers (CSCs) are multiwire proportional chambers with cathode strip readout, and they constitute the primary muon tracking device in the endcaps of the CMS (Compact Muon Solenoid) experiment at the Large Hadron Collider (LHC). The CSCs have accumulated a significant radiation dose since the beginning of LHC operations, and it is important to monitor any possible signs of aging and confirm that the detector can sustain the full integrated luminosity expected at the HL-LHC ( 3000 fb-1). -1 ). Aging effects are assessed by performing in-situ measurements of the gas gain in CSCs as a function of the integrated luminosity. CSC gas gain is studied using muon-induced charge on cathodes using data collected during 2022, corresponding to an integrated luminosity of 39.4 fb-1. -1 . The impact of atmospheric pressure and changes in detector settings (HV, gas mixture, etc.) are also taken into account. Based on these CSC gas gain measurements, chamber aging will not be a problem for Run 3. To ensure a definitive assessment for the HL-LHC, an improved control over systematic effects is needed.

引用

页数：4

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