原型cosmic ray μ子探测器的卡尔曼滤波径迹拟合
Track fitting by Kalman Filter method for a prototype cosmic ray muon detector
摘要：
我们开发了一种基于卡尔曼滤波技术的铁量热仪（ICAL）原型探测器的单μ子轨道冲洗时的轨道拟合程序。相关的轨道参数，即，动量、方向和电荷被重建和分析。本文讨论了原型探测器的设计、Geant 4的几何模拟以及探测器对宇宙线μ子的响应。最后给出了磁化ICAL中$μ^+$和$μ^-$事例的重构动量分辨率和电荷识别效率。
英文摘要：
We have developed a track fitting procedure based on Kalman Filter technique for an Iron Calorimeter (ICAL) prototype detector when the detector is flushed with single muon tracks. The relevant track parameters i.e., momentum, direction and charge are reconstructed and analyzed. This paper discusses the design of the prototype detector, its geometry simulation by Geant4, and the detector response with the cosmic ray muons. Finally we show the resolution of reconstructed momenta and also the charge identification efficiency of $μ^+$ and $μ^-$ events in the magnetized ICAL.
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