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Search for long-lived heavy neutral leptons and Higgs portal scalars decaying in the MicroBooNE detector
We present a search for long-lived Higgs portal scalars (HPS) and heavy neutral leptons (HNL) decaying in the MicroBooNE liquid-argon time projection chamber. The measurement is performed using data collected synchronously with the neutrino beam from Fermilab's Main Injector with a total exposure corresponding to $7.01\ifmmode\times\else\texttimes\fi{}{10}^{20}$ protons on target. We …