High Power Laser and Particle Beams, Volume. 35, Issue 12, 126003(2023)
Research and software design of α particle energy spectrum simulation based on Geant4
Figures & Tables(12)
Fig. 9. Diagram of response function simulated energy spectrum broadening effect
Fig. 10. Geant4 simulation stretching diagram of 238Pu under four atmospheres
Table 1. Components, dimensions and materials of PIPS detector chamber
View tableView in ArticleTable 1. Components, dimensions and materials of PIPS detector chamber
part material density/(g/cm3) inner radius/mm outer radius/mm half height/mm probe top stainless steel 8.06 0 8 3.655 probe stainless steel 8.06 0 13.82 6.175 tray aluminum 2.7 34 25.82 1 sample tray stainless steel 8.06 0 12 0.25 slot stick aluminum 2.7 34 1.15 1 dead layer silicon 2.33 0 13.82 2.5×10−6 silicon layer silicon 2.33 0 13.82 0.175 rubber layer rubber 0.92 0 13.82 0.25 brass layer brass 8.5 0 13.82 0.5 polyethylene layer polyethylene 0.94 0 13.82 2
Table 2. Comparison between measured value and Geant4 simulation value of detection efficiency of 238Pu standard source
View tableView in ArticleTable 2. Comparison between measured value and Geant4 simulation value of detection efficiency of 238Pu standard source
probing distance/mm measured detection efficiency/% analog detection efficiency/% analog detection efficiency range/% relative bias/% 2.8 39.55 38.62 38.42～38.81 2.41 6.8 27.18 27.37 27.04～27.65 0.69 10.8 18.63 18.43 18.35～18.54 1.08 14.8 13.07 13.28 13.25～13.31 1.58 18.8 9.47 9.34 9.27～9.41 1.39
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Minjun Liu, Rui Shi, Guang Yang, Bo Wang, Zhou Wang, Xiong Zeng, Chengjie Yan. Research and software design of α particle energy spectrum simulation based on Geant4[J]. High Power Laser and Particle Beams, 2023, 35(12): 126003
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Received: May. 20, 2023
Accepted: Aug. 24, 2023
Published Online: Dec. 27, 2023
The Author Email: Shi Rui (shirui@suse.edu.cn)
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