Study on spatial resolution of micromegas as a neutron detector under condition of high neutron flux and γ ray background

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WANG Wen-Xin, ZHANG Yi, WANG Ji-Jin and HU Bi-Tao. Study on spatial resolution of micromegas as a neutron detector under condition of high neutron flux and γ ray background[J]. Chinese Physics C, 2009, 33(2): 110-113. doi: 10.1088/1674-1137/33/2/007
WANG Wen-Xin, ZHANG Yi, WANG Ji-Jin and HU Bi-Tao. Study on spatial resolution of micromegas as a neutron detector under condition of high neutron flux and γ ray background[J]. Chinese Physics C, 2009, 33(2): 110-113.  doi: 10.1088/1674-1137/33/2/007 shu
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Received: 2008-04-16
Revised: 2008-05-06
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Study on spatial resolution of micromegas as a neutron detector under condition of high neutron flux and γ ray background

    Corresponding author: HU Bi-Tao,

Abstract: 

In this paper Micromegas has been designed to detect neutrons. The simulation of the spatial resolution of Micromegas as neutron detector is carried out by GEANT4 toolkit. The neutron track reconstruction method based on the time coincidence technology is employed in the present work. The influence of the flux of incident 14 MeV neutron and high gamma background on the spatial resolution is carefully studied. Our results show that the spatial resolution of the detector is sensitive to the neutron flux, but insensitive to the intensity of γ background if the neutron track reconstruction method proposed by our group is used. The γ insensitivity makes it possible for us to use the Micromegas detector under condition which has high γ-rays background.

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