Preliminary Design of 4π Multicell Gd-Loaded Liquid Scintillator Detection System Using Geant4 Package

YU Guoliang

doi:10.11804/NuclPhysRev.30.04.430

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Article Navigation > Nuclear Physics Review > 2013 > 30(4): 430-434

YU Guoliang. Preliminary Design of 4π Multicell Gd-Loaded Liquid Scintillator Detection System Using Geant4 Package[J]. Nuclear Physics Review, 2013, 30(4): 430-434. doi: 10.11804/NuclPhysRev.30.04.430

Citation:

YU Guoliang. Preliminary Design of 4π Multicell Gd-Loaded Liquid Scintillator Detection System Using Geant4 Package[J]. Nuclear Physics Review, 2013, 30(4): 430-434. doi: 10.11804/NuclPhysRev.30.04.430

Preliminary Design of 4π Multicell Gd-Loaded Liquid Scintillator Detection System Using Geant4 Package

doi: 10.11804/NuclPhysRev.30.04.430

YU Guoliang

School of Mathematics and Physics, North China Electric Power University, Baoding 071003, Hebei, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2013-12-20

Abstract

A gadolinium-loaded neutron detection system with 40 liquid scintillators is designed and simulated by using Geant4 Package based on Monte Carlo method. This system with a fission chamber placed in its center is mainly used for the cross section measurement of (n, 2n) reaction of fissile nuclides. We firstly test the physics model, and then calculate and analyze some basic performance of this system. According to the calculation, the detecting efficiency is not sensitive to the inner radius of the detecting system. The efficiency increase with the system thickness at limited thickness value . The calculated results also indicate that the energy of the γ rays emitted from Gd isotope after capturing a thermal neutron is mainly deposited in a few adjacent detectors. Based on above calculations, the thickness and inradius of this detecting system have been preliminarily determined.
- Geant4,
- (n,
- 2n) reaction,
- gadolinium-loaded liquid scintillator
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沈阳化工大学材料科学与工程学院沈阳 110142

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Preliminary Design of 4π Multicell Gd-Loaded Liquid Scintillator Detection System Using Geant4 Package

doi: 10.11804/NuclPhysRev.30.04.430

YU Guoliang

School of Mathematics and Physics, North China Electric Power University, Baoding 071003, Hebei, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2013-12-20

Key words:

Abstract: A gadolinium-loaded neutron detection system with 40 liquid scintillators is designed and simulated by using Geant4 Package based on Monte Carlo method. This system with a fission chamber placed in its center is mainly used for the cross section measurement of (n, 2n) reaction of fissile nuclides. We firstly test the physics model, and then calculate and analyze some basic performance of this system. According to the calculation, the detecting efficiency is not sensitive to the inner radius of the detecting system. The efficiency increase with the system thickness at limited thickness value . The calculated results also indicate that the energy of the γ rays emitted from Gd isotope after capturing a thermal neutron is mainly deposited in a few adjacent detectors. Based on above calculations, the thickness and inradius of this detecting system have been preliminarily determined.

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