The Accelerator Neutrino Neutron Interaction Experiment

Lying along with the Booster Neutrino Beam (BNB) at Fermi National Accelerator Laboratory (FNAL), the Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a Gadolinium-doped water Cherenkov neutrino detector. It aims to determine the neutron multiplicity from neutrino-nucleus interactions in water and provide a staging ground for new technologies relevant to the field. These goals will improve our understanding of neutrino interactions with matter and help reduce the systematic uncertainties, thus benefiting the next-generation neutrino experiments. ANNIE is currently taking its physics phase data, and new analysis techniques are being developed. This talk will present the current status of ANNIE, and discuss the reconstruction and analysis techniques being developed.