Particle Physics Seminar

"Signal Processing in Single-Phase LArTPCs - Application at MicroBooNE"

Presented by Brooke Russell, Yale University, Wright Laboratory

Thursday, April 19, 2018, 3:00 pm — Small Seminar Room, Bldg. 510

The single-phase liquid argon time projection chamber (LArTPC) is a burgeoning detector technology with extensive use in existing and planned accelerator neutrino experiments. While engineering challenges in developing this technology have largely been overcome, high-quality reconstruction of the detailed topological and calorimetric information provided by the fine-grained drifted ionization charge signal is still in active development. In this talk, I describe a robust ionization charge extraction method developed at MicroBooNE and generically applicable to all single-phase LArTPC experiments. This technique accurately converts the raw digitized TPC waveforms into the number of ionization electrons from both induction and collection wire planes. The performance of cold electronics is critical to the success of signal extraction methods. I motivate how characterization and suppression of detector noise translates to signal processing proficiency. Finally, I relate the performance of signal processing to the context of MicroBooNE's physics goals and prospects to realize the promised capability of LArTPC detector technology.

Hosted by: Chao Zhang

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