A new method for precision cold neutron polarimetry using a 3He spin filter

被引：0
|
作者：
Wietfeldt, FE [1 ]
Gentile, TR
机构：
[1] Tulane Univ, New Orleans, LA 70118 USA
[2] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA
来源：
JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | 2005年 / 110卷 / 03期
关键词：
cold neutron; polarimetry; He-3 spin filter;
D O I：
10.6028/jres.110.044
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present a new method for precision measurement of the capture flux polarization of a polychromatic ( white), continuous cold neutron beam, polarized by a He-3 spin filter. This method allows an in situ measurement and does not require knowledge of the neutron beam wavelength distribution. We show that a polarimetry precision of 0.1% is possible.
引用
收藏
页码：305 / 308
页数：4
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