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Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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T: Fachverband Teilchenphysik

T 32: Neutrino physics with accelerators

T 32.4: Talk

Tuesday, March 31, 2020, 17:45–18:00, H-HS XV

Event Classification in the ANNIE experiment — •Michael Nieslony, Michael Wurm, and David Maksimovic for the ANNIE collaboration — Johannes Gutenberg-Universität, Mainz, Deutschland

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26 t Gadolinium-loaded Water Cherenkov detector on the Booster Neutrino Beam at Fermi National Accelerator Laboratory designed to measure the neutron multiplicity of neutrino nucleus interactions as well as the CC-inclusive neutrino cross-section on oxygen. Besides its physics goals, ANNIE will serve as a testbed for the new photosensor technology of Large Area Picosecond Photodetectors (LAPPDs) that achieve time resolutions below 100 ps and improve the vertex reconstruction capabilities of ANNIE.

The measurements of the neutron multiplicity and the cross-section on oxygen require a pure muon neutrino event sample and hence a need for electron/muon discrimination and multi ring event rejection capabilities. The following talk presents the current status of such classifiers for particle identification and multi-ring event rejection in ANNIE based on Machine Learning algorithms.

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