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

引用

页数：14

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