Fast-neutron imaging spectrometer based on liquid scintillator loaded capillaries

被引：10
|
作者：
Mor, I. [1 ,2 ]
Vartsky, D. [1 ]
Brandis, M. [1 ]
Goldberg, M. B. [1 ,2 ]
Bar, D. [1 ]
Mardor, I. [1 ]
Dangendorf, V. [2 ]
Bromberger, B. [2 ]
机构：
[1] SOREQ NRC, IL-81800 Yavne, Israel
[2] PTB, D-38116 Braunschweig, Germany
来源：
JOURNAL OF INSTRUMENTATION | 2012年 / 7卷
关键词：
Scintillators and scintillating fibres and light guides; Neutron detectors (cold; thermal; fast neutrons); Neutron radiography; DETECTOR;
D O I：
10.1088/1748-0221/7/04/C04021
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A fast-neutron imaging detector based on micrometric glass capillaries loaded with high refractive index liquid scintillator has been developed Neutron energy spectrometry is based on event-by-event detection and reconstruction of neutron energy from the measurement of the knock-on proton track length and the amount of light produced in the track. In addition, the detector can provide fast-neutron imaging with position resolution of tens of microns. The detector principle of operation, simulations and experimental results obtained with a small detector prototype are described. We have demonstrated by simulation energy spectrum reconstruction for incident neutrons in the range of 4-20 MeV. The energy resolution in this energy range was 10-15%. Preliminary experimental results of detector spectroscopic capabilities are presented
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页数：14
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