Optical identification and quantification of single neutron detection in 6LiF/ZnS scintillators using a CMOS camera

被引：0
|
作者：
Mosconi, M. [1 ]
Ortega, J. [1 ]
Abad, E. [1 ]
Martinez, R. [1 ]
Guijarrubia, V [1 ]
Van Esch, P. [2 ]
Mutti, P. [2 ]
Ruiz-Martinez, E. [2 ]
Morgano, M. [3 ]
Trtik, P. [3 ]
机构：
[1] Consorcio ESS Bilbao, Instruments, Parque Tecnol,Edificio 201 Pab 4, Zamudio 48170, Spain
[2] Inst Laue Langevin, Instrument Control, 71 Ave Martyrs, F-38000 Grenoble, France
[3] Paul Scherrer Inst, Lab Neutron Scattering & Imaging, Forsch Str 111, CH-5232 Villigen, Switzerland
来源：
JOURNAL OF INSTRUMENTATION | 2018年 / 13卷
关键词：
Neutron detectors (cold; thermal; fast neutrons); Scintillators; scintillation and light emission processes (solid; gas and liquid scintillators); Neutron radiography; Pixelated detectors and associated VLSI electronics; ALPHA;
D O I：
10.1088/1748-0221/13/10/P10033
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The possibility of observing the light from single neutron detection in scintillation materials by highly pixelated silicon sensors coupled with a demagnification optical lens could lead to a new generation of position-sensitive neutron detectors with relatively large area coverage and competitive spatial resolution. Several ZnS/(LiF)-Li-6-based scintillators were tested at the SINQ Beamline for Neutron Optics (BOA) using a neutron radiography setup mounting a sCMOS camera with an f/0.95 commercial objective. Single neutrons were identified and distinguished from the camera noise and particles detected directly in the silicon sensor in all the tested scintillators, with exposures starting from 1 ms. Linearity between neutron counting and exposure times was obtained from 10 ms up to 200 ms.
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页数：12
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