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T: Fachverband Teilchenphysik

T 59: Neutrino Physics with Accelerators 1

T 59.4: Group Report

Wednesday, March 23, 2022, 17:00–17:20, T-H18

ANNIE: The Accelerator Neutrino Neutron Interaction Experiment — •Marc Breisch for the ANNIE collaboration — Physikalisches Institut, Eberhard Karls Universität Tübingen

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26-ton gadolinium doped water Cherenkov detector situated on-axis of the Booster Neutrino Beam (BNB) at FermiLab. Its main goal is to measure the final state neutron multiplicity of neutrino-nucleus interactions to improve the systematic uncertainties of next-generation long baseline neutrino experiments. An additional milestone will be the deployment of the first Large Area Picosecond Photodetectors (LAPPD). These novel detectors will feature a time resolution less than 100 picoseconds and a spatial accuracy of a few millimetres, thus improving the track reconstruction capabilities of the detector. This talk will give a general overview of ANNIE including an update on the currently running Phase Two as well as an upcoming expansion using Water based Liquid Scintillator (WbLS).