Development of Time-of-Flight Polarized Neutron Imaging at the China Spallation Neutron Source

被引：0

作者：

Ahmed Salman ^{[1
,2
,3
]}

周健荣 ^{[1
,2
,3
]}

杨建清 ^{[1
,2
,4
]}

张俊佩 ^{[1
,2
]}

黄楚怡 ^{[1
,2
,3
]}

叶凡 ^{[1
,2
,5
]}

秦泽聪 ^{[1
,2
]}

蒋兴奋 ^{[1
,2
]}

Syed Mohd Amir ^{[1
,2
]}

Wolfgang Kreuzpaintner ^{[1
,2
]}

孙志嘉 ^{[1
,2
]}

王天昊 ^{[1
,2
]}

童欣 ^{[1
,2
]}

机构：

[1] Institute of High Energy Physics, Chinese Academy of Sciences

[2] Spallation Neutron Source Science Center

[3] University of Chinese Academy of Sciences

[4] Xi'an Research Institute of Hi-Tech

[5] College of Materials Science and Engineering, Chongqing University

来源：

Chinese Physics Letters | 2022年 / 39卷 / 06期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

O571.53 [中子源和中子探测器];

学科分类号：

0827 ; 082701 ;

摘要：

A time-of-flight polarized neutron imaging setup was realized by integrating an in situ pumped polarized ~3He spin filter and energy dispersive neutron camera on the neutron technique development beamline(BL-20) of the China Spallation Neutron Source(CSNS). Test experiments were performed with a solenoid with aluminum wire as a sample. These demonstrated that polarized radiography with a field of view in diameter 2.0 cm at different wavelengths can be obtained. The wavelength-dependent polarization was used to distinguish the neutron polarization behavior for different positions inside and outside the solenoid. The results of this work show the possibility of applying the technique at CSNS and marks a milestone for future polarized neutron imaging developments.

引用

页码：53 / 57

页数：5

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