SMuK 2023 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 15: Instrumentation VI

HK 15.4: Talk

Tuesday, March 21, 2023, 17:45–18:00, SCH/A117

Simulations for the ultra-cold neutron lifetime experiment τSPECT — •Niklas Pfeifer for the tauSPECT collaboration — Institut für Physik, Mainz, Deutschland

The τSPECT experiment aims to measure the free neutron lifetime with an uncertainity goal of sub second by storing ultra-cold neutrons in a fully magnetic bottle. To study and understand systematic effects and reduce systematic uncertainties, simulations of neutron trajectories and their parameters during the whole measurement cycle are needed. For this we evaluate and use several software packages that can accurately simulate the trajectories of ultra-cold neutrons, protons, and electrons in complex electromagnetic fields as well as the precession of their spins.

This talk will present how the simulation for the τSPECT experiment is set up, challenges and limits of the simulation software and the latest results of the simulations.