利用 AMS 跟踪器、飞行时间计数器和电磁量热计识别 TeV 能级的正电子和电子

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 : 2024-10-10 DOI:10.1016/j.nima.2024.169957

D. Krasnopevtsev , Z. Weng , A. Kounine , W. Xu

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引用次数: 0

摘要

阿尔法磁谱仪（AMS）自2011年5月19日在国际空间站安装以来，正在成功地收集数据。AMS 的主要目标之一是测量最高能量的宇宙射线正电子和电子。我们介绍了一种识别电子和正电子的新技术，该技术用于 AMS 在高达几 TeV 能量范围内的数据分析。本文的重点是利用 AMS 硅跟踪器、飞行时间计数器和电磁量热计剔除质子背景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Identification of positrons and electrons at TeV energy scale using the AMS tracker, time-of-flight counters, and electromagnetic calorimeter

The Alpha Magnetic Spectrometer, AMS, is successfully collecting data since its installation on the International Space Station on May 19, 2011. One of the main AMS objectives is the measurement of cosmic ray positrons and electrons at the highest energies. We present a new technique for the identification of electrons and positrons, which is used in the AMS data analysis in the energy range up to a few TeV. The focus of this article is on the rejection of the proton background using the AMS silicon tracker, the time-of-flight counters, and the electromagnetic calorimeter.

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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.