EPJ Web Conf.
Volume 219, 2019International Workshop on Particle Physics at Neutron Sources (PPNS 2018)
|Number of page(s)||5|
|Section||Instrumentation and Techniques|
|Published online||12 December 2019|
3D printed magnets for neutron spin manipulation
1 Institute of Atomic and Subatomic Physics, TU Wien, 1020 Vienna, Austria
2 Christian Doppler Laboratory, Physics of Functional Materials, University of Vienna, 1090 Vienna, Austria
a e-mail: firstname.lastname@example.org
Published online: 12 December 2019
Devices for manipulation of the neutron spin are vital for experiments in neutron optics such as neutron interferometry. Here we introduce a new type of such devices which are based on a magnetic material that can be 3D printed in complex shapes. We have constructed a spin flipper wherein the angle of spin rotation can be adjusted by variation of the distance between magnetized pieces. As the device does not contain any heat dissipating coils we expect interferometric measurements to become more stable and hence more accurate. Results of an experiment using polarized neutrons verify the device's functionality, and indicate the potential of the new method. A second experiment for demonstration of the 4π spinor symmetry of fermionic wave functions is in progress.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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