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	Geant4シミュレーション	HEP Track Reconstruction
分野	素粒子物理学	素粒子物理学
系統	Process / pipeline	Process / pipeline
提唱年	2003	1987
提唱者	S. Agostinelli and Geant4 Collaboration	Charged particle physics community
種類	Detector simulation framework	Pattern recognition method
原典	Agostinelli, S., et al. (2003). Geant4 - a simulation toolkit. Nuclear Instruments and Methods in Physics Research Section A, 506(3), 250–303.	Fruhwirth, R. (1987). Application of Kalman filtering to track and vertex fitting. Nuclear Instruments and Methods in Physics Research Section A, 262(2-3), 444–450.
別名	Geant4, Geometry and Tracking 4	tracking, charged particle reconstruction, trajectory fitting
関連	3	3
概要	Geant4 is a Monte Carlo simulation toolkit for the passage of particles through matter, developed by an international collaboration. It provides a comprehensive framework for modeling detector geometries, simulating particle interactions, and predicting detector responses, making it essential for designing and optimizing particle physics experiments.	Track reconstruction is the process of identifying and measuring the trajectories of charged particles through a detector, providing momentum and impact parameter information essential for particle identification, vertex reconstruction, and physics analysis in high-energy physics experiments.