Neutron polarization control for beam handling and spectrometry

Yamazaki, Dai ; Ebisawa, Toru*

Neutron spin handling could be used for beam control and spectroscopy. Energy analysis could be performed with Drabkin energy filters, by which inelastic component with a , a or a could be extracted for all incident wavelength. Pulsed spin-flipper and polarization analyzer could be used as a neutron chopper (spin-flip chopper) whose opening time, number of windows and phase are controlled independently. It was demonstrated that S/N ratio can be enhanced up to 1.5 10 $^{5}$ by installing three spin-flip choppers in sequence.

Language	:	Japanese
Journal	:	Hamon
Volume	:	15
Number	:	1
Pages	:	p.51 - 54
Publication Year/Month	:	2005/01
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Paper URL	:	https://doi.org/10.5611/hamon.15.51
DOI for research data	:
Keywords	:	偏極中性子; 中性子スピン共鳴; エネルギー解析; 中性子チョッパー; パルス中性子源
Research Facility	:	JRR-3M(研究炉3)
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Registration No. : A20040650
JAEA Abstracts No. : 330435
Paper Submission No. : 21767

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