A magnetised foil as inclined π-flipper for time-of-flight neutron beams

Duif C.P.; Geurts S.N.; Bouwman W.G.; Rekveldt M.T.; Plomp J.

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A magnetised foil as inclined π-flipper for time-of-flight neutron beams

机译：磁化箔作为倾斜π形夹，用于飞行时间中子束

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A prototype instrument with an inclined ferromagnetic foil was built which was capable of π-flipping over a broad wavelength range of polarised thermal neutrons in a time-of-flight beam. It was found that, for a single foil, polarised neutrons could be flipped in a wavelength range of 0.20.5 nm with an efficiency of 93%. With improved mechanical setup this range probably can even be extended to 0.11.0 nm. Foil flippers can have some major advantages for polychromatic SESANS over resonance flippers, but the technical realisation with four foils in series will be challenging.

机译：建造了具有倾斜铁磁箔的原型仪器，该仪器能够在飞行时间束中的极化热中子的较宽波长范围内进行π翻转。发现对于单个箔片，极化中子可以在0.20.5 nm的波长范围内翻转，效率为93％。通过改进的机械设置，该范围甚至可以扩展到0.11.0 nm。相较于共振鳍片，铝箔鳍片对于多色SESANS具有一些主要优势，但是串联四个箔的技术实现将具有挑战性。

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《Physica, B. Condensed Matter》 |2011年第12期|共3页
作者
Duif C.P.; Geurts S.N.; Bouwman W.G.; Rekveldt M.T.; Plomp J.;
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正文语种 eng
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关键词
π-flipper; Magnetised foil; Polarised neutrons; Polychromatic neutron beam; Spin-echo small-angle neutron scattering; Time-of-flight;

机译：π鳍片;磁化箔;极化中子;多色中子束;自旋回波小角中子散射;飞行时间;

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专利

1. A magnetised foil as inclined π-flipper for time-of-flight neutron beams [J] . Duif C.P., Geurts S.N., Bouwman W.G., Physica, B. Condensed Matter . 2011,第12期

机译：磁化箔作为倾斜π形夹，用于飞行时间中子束
2. Larmor precession applications: magnetised foils as spin flippers in spin-echo SANS with varying wavelength [J] . Rekveldt MT., Bouwman WG., Kraan WH., Physica, B. Condensed Matter . 2003,第1a4期

机译：拉莫进动的应用：自旋回波SANS中具有磁化箔的自旋鳍片，具有可变波长
3. Spin flippers for Larmor labeling methods in monochromatic and white neutron beams [J] . Theo Rekveldt, Wicher Kraan Nuclear Instruments & Methods in Physics Research . 2011,第1期

机译：单色和白色中子束中用于拉莫尔标记方法的旋转脚蹼
4. Time-of-flight four-beam neutron reflectometer REFLEX at the high-flux pulsed reactor IBR-2: some polarized neutron reflectometry a [C] . V.L. Aksenov, Joint Institute for Nuclear Research, Dubna, Neutron Optical Devices and Applications . 1992

机译：高通量脉冲反应堆IBR-2上的飞行时间四束中子反射仪REFLEX：一些极化中子反射仪
5. Study of secondary neutrons from uniform scanning proton beams by means of experiment and simulation [D] . Islam, Mohammad Rafiqul. 2013

机译：通过实验和仿真研究均匀扫描质子束中的二级中子
6. A feasibility study on the use of phantoms with statistical lung masses for determining the uncertainty in the dose absorbed by the lung from broad beams of incident photons and neutrons [O] . Atiyeh Ebrahimi Khankook, Hashem Miri Hakimabad, Laleh Rafat Motavalli 2017

机译：使用具有统计肺质量的幻像来确定入射光子和中子的宽光束所吸收的肺部剂量的不确定性的可行性研究
7. Neutron Spectroscopy for pulsed beams with frame overlap using a double time-of-flight technique [O] . K.P. Harrig, B.L. Goldblum, J.A. Brown, 2018

机译：使用双飞行时间技术的脉冲梁的中子谱学，框架重叠

A magnetised foil as inclined π-flipper for time-of-flight neutron beams

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