Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 109: Neutrino physics 12

T 109.3: Talk

Friday, March 8, 2024, 09:30–09:45, Geb. 30.21: Gerthsen-HS

Preliminary Results from the LAPPD Integration in the ANNIE Experiment — •Marc Breisch, Tanjina Anannya, Lukas Bieger, Jessica Eck, Tobias Heinz, Benedict Kaiser, Florian Kirsch, Tobias Lachenmaier, Dhanushka Bandara, and Tobias Sterr — Physikalisches Institut, Eberhard Karls Universität Tübingen

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26-ton gadolinium-doped water Cherenkov detector on-axis of the Booster Neutrino Beam (BNB) at Fermilab. The main physics goal is to measure the final state neutron multiplicity of neutrino-nucleus interactions as well as the neutrino cross-section in water which will improve the systematic uncertainties of next-generation long-baseline neutrino experiments. ANNIE is also the first large scale neutrino experiment to deploy multiple Large Area Picosecond Photodetectors (LAPPD), a novel photo sensor with a timing resolution of <100 ps and a sub-centimeter spatial resolution. Three LAPPDs have been successfully commissioned in ANNIE and neutrino induced events were detected. This talk will give an update on the status of the LAPPD beam data analysis as well as the first results from neutrino induced events recorded by the LAPPD.

Keywords: Water Cherenkov Detector; LAPPD; Neutrino; BNB