Progress toward polarised 3-He neutron spin filters using spin exchange optical pumping at the ISIS pulsed neutron source

被引：4

作者：

Wallidge, GW ^{[1
]}

Charlton, TR

Dalgliesh, RM

Parnell, SR

Schofield, JR

机构：

[1] Rutherford Appleton Labs, ISIS, Neutron & Muon Facil, Didcot, Oxon, England

[2] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

来源：

PHYSICA B-CONDENSED MATTER | 2005年 / 356卷 / 1-4期

关键词：

polarised He-3; neutron; spin filter;

D O I：

10.1016/j.physb.2004.10.060

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report the first results in the development of spin exchange optical pumping for use as a polarised 3 He spin filter at the ISIS pulsed neutron source Helium polarisation of 35% in a cell of 0.8 bar has been measured with neutrons and 23% in a 1.6 bar cell with NNIR. Also reported is the progress in developing magnetic environments. The characteristics of a few designs have been investigated by modelling, measurement of the magnetic field and relaxation of the 3 He polarisation. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：118 / 120

页数：3

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