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Dresden 2013 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 45: Instrumentation

HK 45.5: Talk

Tuesday, March 5, 2013, 18:00–18:15, HSZ-405

Current status of the neutron lifetime experiment PENeLOPE — •Wolfgang Schreyer — TU München

The neutron lifetime is an important parameter in the Standard Model of particle physics and in Big Bang cosmology. Recent measurements disagreed about its value and lead to several corrections with increased error budgets by the Particle Data Group.

The experiment PENeLOPE, currently under construction at the Physik-Department of Technische Universität München, aims to resolve this dilemma by determining the neutron lifetime with a precision of 0.1 s. It will trap ultra-cold neutrons in a magneto-gravitational trap using a large superconducting magnet and will measure their lifetime by both neutron counting and online proton detection.

This presentation will give an overview over the recent progress and the next steps of the project.

The project is supported by the Maier-Leibnitz-Laboratorium (Garching), the Deutsche Forschungsgemeinschaft and the Excellence Cluster "Origin and Structure of the Universe".

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