Demonstration with very-cold neutrons of developments in Fourier time-of-flight

Thomas Neulinger; Karina Bernert; Peter Fierlinger; Hanno Filter; Masahiro Hino; Tobias Jenke; Franck Lapeyre; Oliver Zimmer

doi:10.1016/j.nima.2024.169570

Demonstration with very-cold neutrons of developments in Fourier time-of-flight

Thomas Neulinger
, Karina Bernert
, Peter Fierlinger
, Hanno Filter
, Masahiro Hino
, Tobias Jenke
, Franck Lapeyre
, Oliver Zimmer

Chair of Precision Measurements at Extreme Conditions

Institut Laue-Langevin
Technical University of Munich
Institute for Integrated Radiation and Nuclear Science, Kyoto University

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate recent developments in neutron Fourier time-of-flight in an experiment using very-cold neutrons. The implementation of a novel sinusoidal stator design eliminates a systematic effect associated with triangular modulation in existing Fourier choppers. Although transmission is inherently higher for triangular modulation, it is demonstrated that only about 3 % additional measurement time is needed with sinusoidal modulation to achieve the same statistical uncertainty. In addition, a new neutron-based technique that does not require additional instrumentation is employed to determine the chopper phase offset.

Original language	English
Article number	169570
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	1066
DOIs	https://doi.org/10.1016/j.nima.2024.169570
State	Published - Sep 2024

Keywords

Fourier time-of-flight
Time-of-flight
Very-cold neutrons

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10.1016/j.nima.2024.169570

Cite this

Neulinger, T., Bernert, K., Fierlinger, P., Filter, H., Hino, M., Jenke, T., Lapeyre, F., & Zimmer, O. (2024). Demonstration with very-cold neutrons of developments in Fourier time-of-flight. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1066, Article 169570. https://doi.org/10.1016/j.nima.2024.169570

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title = "Demonstration with very-cold neutrons of developments in Fourier time-of-flight",

abstract = "We demonstrate recent developments in neutron Fourier time-of-flight in an experiment using very-cold neutrons. The implementation of a novel sinusoidal stator design eliminates a systematic effect associated with triangular modulation in existing Fourier choppers. Although transmission is inherently higher for triangular modulation, it is demonstrated that only about 3 \% additional measurement time is needed with sinusoidal modulation to achieve the same statistical uncertainty. In addition, a new neutron-based technique that does not require additional instrumentation is employed to determine the chopper phase offset.",

keywords = "Fourier time-of-flight, Time-of-flight, Very-cold neutrons",

author = "Thomas Neulinger and Karina Bernert and Peter Fierlinger and Hanno Filter and Masahiro Hino and Tobias Jenke and Franck Lapeyre and Oliver Zimmer",

note = "Publisher Copyright: {\textcopyright} 2024 The Author(s)",

year = "2024",

month = sep,

doi = "10.1016/j.nima.2024.169570",

language = "English",

volume = "1066",

journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

issn = "0168-9002",

publisher = "Elsevier B.V.",

}

Neulinger, T, Bernert, K, Fierlinger, P, Filter, H, Hino, M, Jenke, T, Lapeyre, F & Zimmer, O 2024, 'Demonstration with very-cold neutrons of developments in Fourier time-of-flight', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 1066, 169570. https://doi.org/10.1016/j.nima.2024.169570

Demonstration with very-cold neutrons of developments in Fourier time-of-flight. / Neulinger, Thomas; Bernert, Karina; Fierlinger, Peter et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 1066, 169570, 09.2024.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Demonstration with very-cold neutrons of developments in Fourier time-of-flight

AU - Neulinger, Thomas

AU - Bernert, Karina

AU - Fierlinger, Peter

AU - Filter, Hanno

AU - Hino, Masahiro

AU - Jenke, Tobias

AU - Lapeyre, Franck

AU - Zimmer, Oliver

PY - 2024/9

Y1 - 2024/9

N2 - We demonstrate recent developments in neutron Fourier time-of-flight in an experiment using very-cold neutrons. The implementation of a novel sinusoidal stator design eliminates a systematic effect associated with triangular modulation in existing Fourier choppers. Although transmission is inherently higher for triangular modulation, it is demonstrated that only about 3 % additional measurement time is needed with sinusoidal modulation to achieve the same statistical uncertainty. In addition, a new neutron-based technique that does not require additional instrumentation is employed to determine the chopper phase offset.

AB - We demonstrate recent developments in neutron Fourier time-of-flight in an experiment using very-cold neutrons. The implementation of a novel sinusoidal stator design eliminates a systematic effect associated with triangular modulation in existing Fourier choppers. Although transmission is inherently higher for triangular modulation, it is demonstrated that only about 3 % additional measurement time is needed with sinusoidal modulation to achieve the same statistical uncertainty. In addition, a new neutron-based technique that does not require additional instrumentation is employed to determine the chopper phase offset.

KW - Fourier time-of-flight

KW - Time-of-flight

KW - Very-cold neutrons

UR - https://www.scopus.com/pages/publications/85197492661

U2 - 10.1016/j.nima.2024.169570

DO - 10.1016/j.nima.2024.169570

M3 - Article

AN - SCOPUS:85197492661

SN - 0168-9002

VL - 1066

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

M1 - 169570

ER -

Demonstration with very-cold neutrons of developments in Fourier time-of-flight

Abstract

Keywords

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