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Auto-encoders for Track Reconstruction in Drift Chambers for CLAS12

09/10/2020

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by Gagik Gavalian, et al.

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In this article we describe the development of machine learning models to assist the CLAS12 tracking algorithm by identifying tracks through inferring missing segments in the drift chambers. Auto encoders are used to reconstruct missing segments from track trajectory. Implemented neural network was able to reliably reconstruct missing segment positions with accuracy of ≈ 0.35 wires, and lead to recovery of missing tracks with accuracy of >99.8%.

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