Further Optimized Design of a Nested Rotate Sextupole Permanent Magnet Lens for the Focusing of Pulsed Neutrons

Zuo, Taisen; Lu, Zhanjiang; Deng, Changdong; Xiao, Shoune; He, Yongcheng; He, Zhenqiang; Xiong, Lin; Ma, Changli; Han, Zehua; Cheng, He

doi:10.3390/qubs6030025

Cited by 2 publications

(1 citation statement)

References 25 publications

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“…Oku and co-workers have tried to use magnetic lenses to focus neutrons (Oku et al, 2007;Yamada et al, 2015). Yamada et al (2011Yamada et al ( , 2015 and Zuo et al (2022) are developing a modulating permanent-magnet sextupole for a time-of-flight (TOF) SANS instrument at a spallation neutron source. Liu and co-workers have worked on a toroidal Wolter mirror to focus neutrons (Guo et al, 2014;Liu et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

The multi-slit very small angle neutron scattering instrument at the China Spallation Neutron Source

Zuo,

Han,

et al. 2024

J Appl Crystallogr

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A multi-slit very small angle neutron scattering (MS-VSANS) instrument has been finally accepted at the China Spallation Neutron Source (CSNS). It is the first spallation neutron source based VSANS instrument. MS-VSANS has a good signal-to-noise ratio and can cover a wide scattering vector magnitude range from 0.00028 to 1.4 Å−1. In its primary flight path, a combined curved multichannel beam bender and sections of rotary exchange drums are installed to minimize the background downstream of the instrument. An exchangeable multi-slit beam focusing system is integrated into the primary flight path, enabling access to a minimum scattering vector magnitude of 0.00028 Å−1. MS-VSANS has three modes, namely conventional SANS, polarizing SANS and VSANS modes. In the SANS mode, three motorized high-efficiency 3He tube detectors inside the detector tank cover scattering angles from 0.12 to 35° simultaneously. In the polarizing SANS mode, a double-V cavity provides highly polarized neutrons and a high-efficiency 3He polarization analyser allows full polarization analysis. In the VSANS mode, an innovative high-resolution gas electron multiplier detector covers scattering angles from 0.016 to 0.447°. The absolute scattering intensities of a selection of standard samples are obtained using the direct-beam technique; the effectiveness of this method is verified by testing the standard samples and comparing the results with those from a benchmark instrument. The MS-VSANS instrument is designed to be flexible and versatile and all the design goals have been achieved.

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Section: Introductionmentioning

confidence: 99%

The multi-slit very small angle neutron scattering instrument at the China Spallation Neutron Source

Zuo,

Han,

et al. 2024

J Appl Crystallogr

Self Cite

View full text Add to dashboard Cite

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An overview of polarized neutron instruments and techniques in Asia Pacific

Jiang

2023

AAPPS Bull.

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Polarized neutron scattering is an indispensable tool for exploring a vast range of scientific phenomena. With its dynamic scientific community and significant governmental support as well as the rapid economic growth, the Asia–Pacific region has become a key player in the worldwide neutron scattering arena. From traditional research reactors to cutting-edge spallation neutron sources, this region is home to a myriad of advanced instruments offering a wide range of polarized neutron capabilities. This review aims to provide a comprehensive overview of the development and current status of polarized neutron instruments and techniques in the Asia–Pacific region, emphasizing the important role of the Asia–Pacific region in shaping the landscape of global polarized neutron scattering development.

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Further Optimized Design of a Nested Rotate Sextupole Permanent Magnet Lens for the Focusing of Pulsed Neutrons

Cited by 2 publications

References 25 publications

The multi-slit very small angle neutron scattering instrument at the China Spallation Neutron Source

The multi-slit very small angle neutron scattering instrument at the China Spallation Neutron Source

An overview of polarized neutron instruments and techniques in Asia Pacific

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