Yajie FENG, Ruiqin ZHANG, Yazhou NIU, Qi LI, Lili TONG, Shilian WANG, Yungang ZHAO, Yuanqing FAN, Xinjun ZHANG. Geant4 simulation study of β-γ coincidence detector for 41Ar measurement[J]. NUCLEAR TECHNIQUES, 2025, 48(2): 020402
- NUCLEAR TECHNIQUES
- Vol. 48, Issue 2, 020402 (2025)
Fig. 1. Schematic diagram of detector structure
Fig. 2. Variation of penetration percentage of β-rays emitted from the decay of 41Ar with the thickness of BC404
Fig. 3. Variation of particle number percentage of 1 293.6 keV γ-rays deposit energy in BC404 with the thickness of BC404
Fig. 4. Variation of full-energy peak efficiency of 1 293.6 keV γ-ray with the thickness of CsI(Tl)
Fig. 5. Curves of FD,m with various gas chamber diameter at different argon sampling rates (color online)
Fig. 6. Energy deposition diagram of 41Ar in CsI(Tl) scintillator simulated by Geant4
Fig. 7. Energy deposition diagram of 41Ar in BC404 and CsI(Tl) simulated by Geant4
Fig. 8. Variation of
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