Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 23: Experimental Techniques in Astroparticle Physics 1

T 23.4: Vortrag

Montag, 21. März 2022, 17:00–17:15, T-H36

The Pacific Ocean Neutrino Experiment: Results from three years of pathfinder data — Christopher Fink, •Kilian Holzapfel, Stephan Meighen-Berger, Imma Rea, Li Ruohan, Lisa Schumacher, Maria Sharshunova, and Laura Winter for the P-ONE collaboration — Experimental Physics with Cosmic Particles, TU Munich

The Pacific Ocean Neutrino Experiment (P-ONE) is a planned, cubic-kilometer-scale neutrino telescope at 2660 m depth in Cascadia Basin located off the coast of Vancouver, Canada. The telescope is planned by a growing collaboration of Ocean Networks Canada (ONC), and Universities from Germany, Canada and the USA. Two pathfinder experiments have been deployed in Cascadia Basin using the already available infrastructure of ONC: STRAW (STRings for Absorption length in Water) in 2018 and STRAW-b in 2020. Both pathfinder experiments - and P-ONE in the future - are based on vertical, deep-sea cable lines equipped with multiple photosensors and calibration light sources. The main goal of the pathfinder lines is to characterize the optical properties of the site, which proved suitable to host P-ONE. Another purpose of the pathfinder lines is the monitoring of background light caused by K40 decay and bioluminescence, by now over more than three years. We will present an overview over recent results obtained with the STRAW and STRAW-b lines.