Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session EJ: Mini-Symposium on Fundamental Neutron Physics III
7:00 PM–9:30 PM,
Thursday, October 25, 2018
Hilton Room: Kona 5
Chair: Hirohiko Shimizu, Nagoya University
Abstract ID: BAPS.2018.HAW.EJ.5
Abstract: EJ.00005 : Producing ultracold neutrons with a spallation source and superfluid helium*
8:15 PM–8:30 PM
The goal of the TUCAN collaboration is to measure the neutron electric dipole moment with a sensitivity of 10-27 ecm. To achieve the necessary statistical sensitivity, we are designing the TRIUMF UltraCold Advanced Neutron (TUCAN) source, a next-generation source for ultracold neutrons based on a spallation target and a superfluid-helium converter. To this end, we recently completed the installation of a prototype source at a new, dedicated beamline at TRIUMF.
This presentation will show results from a comprehensive test run of the prototype source, compare them to simulations, and show how we use the simulations to optimize neutron moderators for the next-generation source to achieve a several orders of magnitude higher ultracold-neutron flux.
*This project is funded by the Natural Sciences and Engineering Research Council, the Canada Foundation for Innovation, and JSPS KAKENHI grant number JP18H05230.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.EJ.5
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