SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 66: Neutrinos II

T 66.1: Vortrag

Mittwoch, 22. März 2023, 15:50–16:05, POT/0251

Detection of solar pp-neutrinos with CID in SERAPPIS — •Tim Charissé, Marcel Büchner, Arshak Jafar, Kai Loo, George Parker, Oliver Pilarczyk, and Michael Wurm — Institute of Physics and EC PRISMA+, Johannes-Gutenberg University Mainz, Mainz, Germany

The OSIRIS detector, a pre-detector that monitors the radiopurity of the scintillator for the JUNO experiment, is planned to be used for the measurement of the solar pp-neutrino flux after fulfilling it's initial purpose. This upgrade is called SEarch for RAre PP-neutrinos In Scintillator (SERAPPIS). As these pp-neutrinos originate from the sun it is crucial to obtain the directional information to get a high sensitivity. This directional information is contained in the Cherenkov light which is hard to distinguish from the scintillation signal. While there are experimental efforts like slow scintillators to enhance the sensitivity for Cherenkov light in SERAPPIS, there is also a data-analytical method called Correlated and Integrated Directionality (CID) to obtain the directional information from the data. It uses the angular distribution between the direction of the neutrino and the detected light for the whole data set to gain information over the pp-neutrino flux.

This talk will present the status of the ongoing sensitivity study for CID in SERAPPIS based on Monte Carlo simulations. It is investigated if CID can have a valuable impact on the measurement of the solar pp-neutrino flux.