Construction of a Spin-Echo Small-Angle Neutron Scattering Instrument for the PIK Reactor
Yu.O. Chetverikov (NRC “Kurchatov Institute”)
L. A. Akselrod (NRC “Kurchatov Institute”)
S. V. Grigor’ev (NRC “Kurchatov Institute”)
J.P.M. van der Kraan (TU Delft - BUS/Quantum Delft)
A.A. Sumbatyan (NRC “Kurchatov Institute”)
A. V. Nagorny (Joint Institute for Nuclear Research, Dubna)
V. V. Tarnavich (NRC “Kurchatov Institute”)
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Abstract
Abstract: The current state of the implementation of the project for building a spin-echo instrument for small-angle neutron scattering at the PIK reactor of the St. Petersburg Nuclear Physics Institute, National Research Center “Kurchatov Institute,” is described. In the course of the project, work is carried out on mathematical modeling, and the design and manufacture of prototypes of the instrument units. Both the optical elements of the instrument and the design of the precession magnets are optimized. The developed model of precession magnets underlies the design submitted for manufacturing. The model of a radio-frequency adiabatic flipper is tested. The test results demonstrate the flipper performance in the range of fields with an induction from 5 to 66 mT.