Design and characterization of zero magnetic field chambers for high efficiency neutron polarization transport

Dadisman, Ryan; Shen, Jianzhao; Feng, Hao; Crow, Lowell; Jiang, Chenyang; Wang, T.; Zhang, Yuxuan; Bilheux, Hassina Z.; Parnell, Steven R.; Pynn, R.; Li, Fankang

doi:10.1016/j.nima.2019.05.092

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Cited by 5 publications

(1 citation statement)

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“…A dedicated instrument with Wollaston prisms is installed at the LENS facility at Indiana University (Parnell et al, 2015). The related technique SEMSANS (Bouwman, Duif, Plomp, Wiedenmann, & Gähler, 2011) using the Wollaston prisms is available on the HFIR instrument suite in Oak Ridge (Dadisman et al, 2019).…”

Section: Instrumentationmentioning

confidence: 99%

Spin-echo small-angle neutron scattering for multiscale structure analysis of food materials

Bouwman

2021

Food Structure

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Section: Instrumentationmentioning

confidence: 99%

Spin-echo small-angle neutron scattering for multiscale structure analysis of food materials

Bouwman

2021

Food Structure

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Probing magnetic correlations with spin-echo modulated small angle neutron scattering (SEMSANS)

Steinke

Dalgliesh

et al. 2021

Nuclear Instruments and Methods in Physics Research Section A:

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Scintillator-based Timepix3 detector for neutron spin-echo techniques using intensity modulation

Funama,

Chong,

Loyd

et al. 2024

Review of Scientific Instruments

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A scintillator-based Timepix3 (TPX3) detector was developed to resolve the high-frequency modulation of a neutron beam in both spatial and temporal domains, as required for neutron spin-echo experiments. In this system, light from a scintillator is manipulated with an optical lens and is intensified using an image intensifier, making it detectable with the TPX3 chip. Two different scintillators, namely, 6LiF:ZnS(Ag) and 6LiI:Eu, were investigated to achieve the high resolution needed for spin-echo modulated small-angle neutron scattering (SEMSANS) and modulation of intensity with zero effort (MIEZE). The methodology for conducting event-mode analysis is described, including the optimization of clustering parameters for both scintillators. The detector with both scintillators was characterized with respect to detection efficiency, spatial resolution, count rate, uniformity, and γ-sensitivity. The 6LiF:ZnS(Ag) scintillator-based detector achieved a spatial resolution of 200 μm and a count rate capability of 1.1 × 105 cps, while the 6LiI:Eu scintillator-based detector demonstrated a spatial resolution of 250 μm and a count rate capability exceeding 2.9 × 105 cps. Furthermore, high-frequency intensity modulations in both spatial and temporal domains were successfully observed, confirming the suitability of this detector for SEMSANS and MIEZE techniques, respectively.

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Design and characterization of zero magnetic field chambers for high efficiency neutron polarization transport

Cited by 5 publications

References 14 publications

Spin-echo small-angle neutron scattering for multiscale structure analysis of food materials

Spin-echo small-angle neutron scattering for multiscale structure analysis of food materials

Probing magnetic correlations with spin-echo modulated small angle neutron scattering (SEMSANS)

Scintillator-based Timepix3 detector for neutron spin-echo techniques using intensity modulation

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