Heidelberg 2022 – scientific programme
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T: Fachverband Teilchenphysik
T 59: Neutrino Physics with Accelerators 1
T 59.5: Talk
Wednesday, March 23, 2022, 17:20–17:35, T-H18
Water-based Liquid Scintillators in ANNIE — Daniele Guffanti2, David Maksimovic1, •Michael Nieslony1, and Michael Wurm1 for the ANNIE collaboration — 1Johannes Gutenberg-Universität Mainz, Germany — 2Università degli Studi di Milano Bicocca, Italy
The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a Gadolinium doped water Cherenkov detector located in the Booster Neutrino Beam at Fermilab with the primary goal of measuring the final state neutron multiplicity of neutrino-nucleus interactions. A future phase of the experiment will explore the benefits of using the novel detection medium of Gadolinium-doped Water-based Liquid Scintillators (GdWbLS) in a neutrino beam environment by placing a small vessel within the current detector. GdWbLS aims to combine the advantages of liquid scintillator and water Cherenkov detectors by accessing directional information from the Cherenkov light and simultaneously using the scintillation signal to infer additional calorimetric event properties, especially with respect to lower-energy hadronic recoil signals. The following talk will highlight the expected improvements for the neutrino energy reconstruction in beam events for GdWbLS as a target material in comparison to a more conventional water detection volume based on simulation studies.