Multiple Scattering Error Propagation in Particle Track Reconstruction

TL;DR

This paper analyzes how multiple Coulomb scattering affects particle track reconstruction in silicon detectors, providing methods to estimate errors and improve the accuracy of particle characteristic measurements.

Contribution

It introduces a systematic approach to propagate multiple scattering errors and correlations into track fitting, enhancing the precision of particle parameter estimation.

Findings

Error estimates improve track fit accuracy

Correlation analysis refines vertex position determination

Method enhances resolution of particle flight direction

Abstract

Particle track reconstruction capabilities of the silicon tracking detector system have been studied. As the multiple Coulomb scattering (MCS) induces unavoidable uncertainties on the coordinate measurement, the corresponding error estimates and the associated correlations have been used to find the best track fit parameters and their errors. Finally it permits to find the proper particle characteristics, as vertex position and resolution, flight direction and the error.