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T: Fachverband Teilchenphysik

T 35: Cosmic rays 4

T 35.3: Vortrag

Dienstag, 5. März 2024, 16:30–16:45, Geb. 30.22: Lehmann-HS

Cosmic Muon Based Measurement for Ordinary Muon Capture Studies — •Xianke He, Jansen Andreas, and Kai Zuber — Institute of Nuclear and Particle Physics, TU Dresden, Germany

Ordinary muon capture plays a crucial tool to validate the model describing nuclear matrix elements in neutrinoless double beta decay scenarios. In this context, a proposed experimental framework aims to measure the muon capture rates using cosmic muons.

The experimental design employs high-purity germanium detectors to detect gamma radiation emitted by excited state daughter nuclei following cosmic muon capture. Additionally, coincidence measurement of cosmic muons using scintillator detectors will provide a time reference for the high-purity germanium detectors. Given the inherent disparity in muon flux between cosmic rays and muon beams generated by accelerators within laboratory settings, optimizing the capture rate of cosmic muons becomes imperative.

This work introduces an experimental design based on Geant4 simulation, involving the selection of cosmic muon models and target materials, the configuration of coincidence measurement system, and a preliminary analysis of experimental data. The objective is to explore the potential application of cosmic muons in ordinary muon capture studies.

Keywords: Cosmic Muons; Ordinary Muon Capture; Nuclear Matrix Elements