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Mar 20 – 23, 2023
Campus Garching
Europe/Berlin timezone

Research and development towards novel spin-selective neutron detectors for fundamental science

Mar 21, 2023, 4:00 PM
Yards 4 - 6 (Fakultät für Maschinenwesen)

Yards 4 - 6

Fakultät für Maschinenwesen

Board: TU-046
Poster Neutron Instrumentation, Optics, Sample Environment, Detectors, and Software Poster session TUESDAY


Skyler Degenkolb (Universität Heidelberg)


We present developments towards spin-selective in-situ detection of ultracold neutrons, motivated by the search for a permanent electric dipole moment. Magnetic fields generated by microstructured superconductors will produce a spin-dependent shift of the neutron-optical potential at a reflecting surface layer. Low-field-seeking neutrons then penetrate to an underlying absorber with increased probability, while high-field-seeking neutrons are more likely to be reflected without absorption. This concept is being tested via polarized cold neutron reflectometry; it could also open further applications as an alternative means of neutron depth profiling.

Primary author

Skyler Degenkolb (Universität Heidelberg)


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