Versatile inelastic neutron spectrometer (VINS) project for J-PARC

T. J. Sato; O. Yamamuro; K. Hirota; M. Shibayama; H. Yoshizawa; S. Itoh; S. Watanabe; T. Asami; K. Kindo; Y. Uwatoko; T. Kanaya; N. Higashi; K. Ueno

doi:10.1016/j.nima.2008.11.109

Versatile inelastic neutron spectrometer (VINS) project for J-PARC

T. J. Sato, O. Yamamuro, K. Hirota, M. Shibayama, H. Yoshizawa, S. Itoh, S. Watanabe, T. Asami, K. Kindo, Y. Uwatoko, T. Kanaya, N. Higashi, K. Ueno

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

1 Citation (Scopus)

Abstract

We have proposed a Versatile Inelastic Neutron Spectrometer (VINS) for the spallation neutron source at the Materials and Life Science Facility (MLF), Japan Proton Accelerator Research Complex (J-PARC). VINS is a direct-geometry Fermi chopper spectrometer designed to provide considerably high neutron flux with moderate energy and Q resolutions. VINS is characterized by its wide energy and Q range (0.5<ΔE<1000 meV and Q< 40 Å^-1 at ΔE=1000 meV), enabled by an array of detectors covering large solid angle [-30°<2θ<130° horizontally and -30°<φ<30° vertically (2.8 Sr)]. Monte Carlo ray-tracing simulation estimates the sample position neutron flux as high as roughly 1×10⁶ neutrons cm^-2 s^-1 for the ΔE/E_i∼5% mode at E_i=10 meV. With these wide E-Q coverage and high neutron flux, VINS will be one of the most efficient and versatile inelastic spectrometers at J-PARC. Target science ranges from conventional solid-state physics, such as highly correlated electron systems, frustrated magnets and relaxors, to rather interdisciplinary areas, exemplified by glasses, quasicrystals, polymers and liquids. A particular focus is placed on extreme sample environments; high magnetic-field and high-pressure environments are planned.

Original language	English
Pages (from-to)	143-145
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	600
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2008.11.109
Publication status	Published - 2009 Feb 21
Externally published	Yes

Keywords

Chemistry
Condensed matter physics
Direct geometry spectrometer
Fermi chopper
Inelastic neutron scattering
Spallation neutron

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Sato, T. J., Yamamuro, O., Hirota, K., Shibayama, M., Yoshizawa, H., Itoh, S., Watanabe, S., Asami, T., Kindo, K., Uwatoko, Y., Kanaya, T., Higashi, N., & Ueno, K. (2009). Versatile inelastic neutron spectrometer (VINS) project for J-PARC. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 600(1), 143-145. https://doi.org/10.1016/j.nima.2008.11.109

Sato, TJ, Yamamuro, O, Hirota, K, Shibayama, M, Yoshizawa, H, Itoh, S, Watanabe, S, Asami, T, Kindo, K, Uwatoko, Y, Kanaya, T, Higashi, N & Ueno, K 2009, 'Versatile inelastic neutron spectrometer (VINS) project for J-PARC', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 600, no. 1, pp. 143-145. https://doi.org/10.1016/j.nima.2008.11.109

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abstract = "We have proposed a Versatile Inelastic Neutron Spectrometer (VINS) for the spallation neutron source at the Materials and Life Science Facility (MLF), Japan Proton Accelerator Research Complex (J-PARC). VINS is a direct-geometry Fermi chopper spectrometer designed to provide considerably high neutron flux with moderate energy and Q resolutions. VINS is characterized by its wide energy and Q range (0.5<ΔE<1000 meV and Q< 40 {\AA}-1 at ΔE=1000 meV), enabled by an array of detectors covering large solid angle [-30°<2θ<130° horizontally and -30°<φ<30° vertically (2.8 Sr)]. Monte Carlo ray-tracing simulation estimates the sample position neutron flux as high as roughly 1×106 neutrons cm-2 s-1 for the ΔE/Ei∼5% mode at Ei=10 meV. With these wide E-Q coverage and high neutron flux, VINS will be one of the most efficient and versatile inelastic spectrometers at J-PARC. Target science ranges from conventional solid-state physics, such as highly correlated electron systems, frustrated magnets and relaxors, to rather interdisciplinary areas, exemplified by glasses, quasicrystals, polymers and liquids. A particular focus is placed on extreme sample environments; high magnetic-field and high-pressure environments are planned.",

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AU - Sato, T. J.

AU - Yamamuro, O.

AU - Hirota, K.

AU - Shibayama, M.

AU - Yoshizawa, H.

AU - Itoh, S.

AU - Watanabe, S.

AU - Asami, T.

AU - Kindo, K.

AU - Uwatoko, Y.

AU - Kanaya, T.

AU - Higashi, N.

AU - Ueno, K.

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AB - We have proposed a Versatile Inelastic Neutron Spectrometer (VINS) for the spallation neutron source at the Materials and Life Science Facility (MLF), Japan Proton Accelerator Research Complex (J-PARC). VINS is a direct-geometry Fermi chopper spectrometer designed to provide considerably high neutron flux with moderate energy and Q resolutions. VINS is characterized by its wide energy and Q range (0.5<ΔE<1000 meV and Q< 40 Å-1 at ΔE=1000 meV), enabled by an array of detectors covering large solid angle [-30°<2θ<130° horizontally and -30°<φ<30° vertically (2.8 Sr)]. Monte Carlo ray-tracing simulation estimates the sample position neutron flux as high as roughly 1×106 neutrons cm-2 s-1 for the ΔE/Ei∼5% mode at Ei=10 meV. With these wide E-Q coverage and high neutron flux, VINS will be one of the most efficient and versatile inelastic spectrometers at J-PARC. Target science ranges from conventional solid-state physics, such as highly correlated electron systems, frustrated magnets and relaxors, to rather interdisciplinary areas, exemplified by glasses, quasicrystals, polymers and liquids. A particular focus is placed on extreme sample environments; high magnetic-field and high-pressure environments are planned.

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KW - Condensed matter physics

KW - Direct geometry spectrometer

KW - Fermi chopper

KW - Inelastic neutron scattering

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Versatile inelastic neutron spectrometer (VINS) project for J-PARC

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Keywords

ASJC Scopus subject areas

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