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SYWS: Fundamentale Wechselwirkungen und ihre Symmetrien

SYWS 1: Fundamental Interactions and their Symmetries I

SYWS 1.3: Invited Talk

Wednesday, March 12, 2008, 15:00–15:30, 1A/B/C

Precision measurements with cold neutrons — •Torsten Soldner — Insitut Laue Langevin, Grenoble, France

Cold neutrons provide several ways to investigate fundamental symmetries and interactions and to search for ``new physics'': Right-handed contributions to weak interaction or time reversal violation beyond the Standard Model can be searched for by precision measurements of correlations between neutron decay products. The neutron's electric dipole moment is a very sensitive probe for new sources of time reversal violation. Measurements of asymmetries in reactions of polarised neutrons with light nuclei provide information on the weak contributions to nucleon-nucleon processes. I will present related experiments that have been carried out at the Institut Laue Langevin.