A high-performance neutron polarimeter NPOL2 for the ((p)over-right-arrow, (n)over-right-arrow) measurements at intermediate energies

被引：0
|
作者：
Sakai, H
Wakasa, T
Otsu, H
Fujita, S
Nonaka, T
Okamura, H
Uesaka, T
Ohnishi, T
Hatanaka, K
Greenfield, MB
Ishida, S
Sakamoto, H
机构：
来源：
NEUTRONS IN RESEARCH AND INDUSTRY, INTERNATIONAL CONFERENCE | 1997年 / 2867卷
关键词：
neutron polarimeter; two-dimensional position-sensitive neutron detector; large volume liquid and plastic scintillators;
D O I：
10.1117/12.267942
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have designed and constructed a high-performance neutron polarimeter for ((p) over right arrow (n) over right arrow) measurements at intermediate energies, E(p) = 200 - 400 MeV. The current version of the neutron polarimeter, called NPOL2, consists of 6 planes of the two-dimensional position-sensitive neutron detectors with a size of 1 mx1 mx0.1 m. Its effective left-right analyzing power < A(y)(eff) > has been calibrated at 141, 191, 291 and 387 MeV. The Figure-Of-Merit value defined by < A(y)(eff) >(2) x epsilon(DS) is about 4x10(-4), irrespective of neutron energies, where epsilon(DS) is the double scattering efficiency.
引用
收藏
页码：408 / 411
页数：4
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