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The single-phase liquid argon time projection chamber (LArTPC) provides alarge amount of detailed information in the form of fine-grained driftedionization charge from particle traces. To fully utilize this information, thedeposited charge must be accurately extracted from the raw digitized waveformsvia a robust signal processing chain. Enabled by the ultra-low noise levelsassociated with cryogenic electronics in the MicroBooNE detector, the preciseextraction of ionization charge from the induction wire planes in asingle-phase LArTPC is qualitatively demonstrated on MicroBooNE data with eventdisplay images, and quantitatively demonstrated via waveform-level andtrack-level metrics. Improved performance of induction plane calorimetry isdemonstrated through the agreement of extracted ionization charge measurementsacross different wire planes for various event topologies. In addition to thecomprehensive waveform-level comparison of data and simulation, a calibrationof the cryogenic electronics response is presented and solutions to variousMicroBooNE-specific TPC issues are discussed. This work presents an importantimprovement in LArTPC signal processing, the foundation of reconstruction andtherefore physics analyses in MicroBooNE.

Ionization Electron Signal Processing in Single Phase LArTPCs II. Data/Simulation Comparison and Performance in MicroBooNE