ATLAS 瓦片量热计的校准系统及其用于 HL-LHC 的升级版

IF 1.5 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 : 2024-10-28 DOI:10.1016/j.nima.2024.170009

Viola Floris, ATLAS Collaboration

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引用次数: 0

摘要

瓦片量热计（TileCal）是一种强子量热计，覆盖 ATLAS 实验的中心区域，由钢层和塑料闪烁体交替组成。闪烁器由波长变换光纤和光电倍增管（PMT）耦合读出。来自 ∼10000 个光电倍增管的模拟信号被放大、整形、采样、数字化并存储在探测器上，直到接收到触发决定。从闪烁光到 PMT 信号重构，信号产生的每个阶段都受到监控和校准。这篇论文的重点是 TileCal 校准系统，包括铯放射源、激光器及其用于高亮度大型强子对撞机的升级版、电荷注入系统和基于积分器的读出系统。将对大型强子对撞机运行 3 期间的最新校准结果进行总结，并介绍激光系统的新组件。

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Calibration system of the ATLAS Tile Calorimeter and its upgrade for HL-LHC

The Tile Calorimeter (TileCal) is the hadron calorimeter covering the central region of the ATLAS experiment alternating layers of steel and plastic scintillators. The scintillators are read-out by wavelength shifting fibers coupled to photomultiplier tubes (PMTs). The analog signals from

\sim 10000

PMTs are amplified, shaped, sampled, digitized and stored on detector until a trigger decision is received. Each stage of the signal production from scintillation light to the PMT signal reconstruction is monitored and calibrated. This contribution focuses on the TileCal calibration systems including a Cesium radioactive source, a laser and its upgrade for High Luminosity LHC, a charge injection system, and an integrator-based readout system. A summary of the latest calibration results during LHC Run 3 and a description of the new components of the laser system will be presented.

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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.