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An Update on MicroBooNE’s Inclusive Single Photon Low Energy Excess Search

Research output: Working paperPreprint

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  • MicroBooNE Collaboration
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Publication date2024
<mark>Original language</mark>English

Abstract

The MicroBooNE detector is a Liquid Argon Time Project Chamber (LArTPC) detector whose primary design goal is to understand the ``low-energy-excess'' anomaly seen by MiniBooNE. MicroBooNE's currently published results see no excess consistent with the MiniBooNE observation, emphasizing a need for improved searches in more channels. This note summarizes MicroBooNE's inclusive single photon selection using Wire-Cell reconstruction and pattern recognition, which is used to search for a low-energy-excess (LEE) anomaly in the inclusive single photon channel. The selection is similar to the Wire-Cell inclusive electron neutrino selection, but with a different signal definition and some modifications and additions to the pattern recognition tools. A selection with 7.0\% efficiency and 40.2\% purity is achieved for our targeted single photon signal simulated events.