Optimization of a superconducting adiabatic radio frequency neutron resonant spin flipper

Li, Fankang; Dadisman, Ryan; Wasilko, David C.

doi:10.1016/j.nima.2019.163300

Optimization of a superconducting adiabatic radio frequency neutron resonant spin flipper

Journal Article · Tue Dec 17 00:00:00 EST 2019 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

DOI:https://doi.org/10.1016/j.nima.2019.163300· OSTI ID:1606875

^[1]; Dadisman, Ryan ^[1]; Wasilko, David C. ^[1]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

The neutron radio frequency (RF) spin flipper is one of the key components to implement neutron resonance spin echo (NRSE) for high resolution measurements of dynamics in materials. Various types of RF flippers have been built and implemented including adiabatic and non-adiabatic RF flippers. For a pulsed neutron source, adiabatic RF flipper is more favorable due to its wide operation bandwidth. However, the optimization criteria of an adiabatic RF flipper is still lacking. Also they are difficult to be operated in bootstrap mode, which can be use to minimize the phase aberration and increase the achievable resolution. In the report by Dadisman et al. (2019), an adiabatic RF flipper has been built for the first time with superconducting technologies, which allows bootstrap mode. Here in this article, the method of optimizing the device and the detailed design will be discussed for each component of the device.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1606875

Alternate ID(s):: OSTI ID: 1692135

Journal Information:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Journal Issue: C Vol. 955; ISSN 0168-9002

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Design and performance of a superconducting neutron resonance spin flipper Dadisman, Ryan; Wasilko, David; Kaiser, Helmut Review of Scientific Instruments, Vol. 91, Issue 1 https://doi.org/10.1063/1.5124681	journal	January 2020

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