Description
One of the main goals for the MicroBooNE detector at Fermilab is to investigate the “low energy excess” (LEE) of electromagnetic events observed by the MiniBooNE experiment. In MicroBooNE’s first round of LEE results, which consisted of both electron-like and photon-like excess searches, no significant excess was seen in events with a single electron-like or single photon-like electromagnetic shower in the final state. Unlike the electron-like LEE searches, which covered a wide range of final states and possible processes, the photon-like LEE search only focused on one specific model, that of NC 𝚫 to one photon decays, with either exactly one or zero protons in the final state. Given these results, a more general search for photon-like events is needed to complete a model-independent investigation of the MiniBooNE anomaly. This poster presents a first look at such a model-independent analysis searching for a MiniBooNE LEE-like signal in the inclusive single photon channel with MicroBooNE. The signal events are defined by a final state topology with one photon-like shower, no primary electrons, and any hadrons in the final state. The preliminary performance of the signal selection, which uses Wire Cell event reconstruction, is presented.
| Collaboration | MicroBooNE |
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