H. Barros, E. D. Greaves, and H. R. Vega-Carrillo, "Graphite moderated 252Cf source," Appl. Radiat. Isot. 100, 108-112 (2015). 10.1016/j.apradiso.2015.02.025
R. Gheisari and H. Mohammadi, "Assembly neutron moderation system for BNCT based on a 252Cf neutron source," Prog. Med. Phys. 29, 101 (2018). 10.14316/pmp.2018.29.4.101
H.-Y. Kang, C.-J. Park, K.-S. Seo, and J.-S. Yoon, "Evaluation of neutron shielding effects on various materials by using a Cf-252 source," J. Korean Phys. Soc. 52, 1744-1747 (2008). 10.3938/jkps.52.1744
F. Abu-Jarad, "The application of radiation sources in the oil and gas industry and shortages in their services," At. Peace 2, 4 (2009). 10.1504/AFP.2009.027867
S. Alhajali, S. Yousef, and B. Naoum, "Appropriate concrete for nuclear reactor shielding," Appl. Radiat. Isot. 107, 29-32 (2016). 10.1016/j.apradiso.2015.09.001
D. H. Kim, C.-S. Gil, and Y.-O. Lee, "Validation of an ENDF/B-VII.0-based neutron and photon shielding library in MATXS-format," J. Korean Phys. Soc. 59, 1199-1202 (2011). 10.3938/jkps.59.1199
M. Wielunski, T. Brall, M. Dommert et al., "Electronic neutron dosimeter in high-energy neutron fields," Radiat. Meas. 114, 12-18 (2018). 10.1016/j.radmeas.2018.04.015
J. S. Choi, J. Farmer, C. Lee et al., "Neutron-absorbing coatings for safe storage of fissile materials with enhanced shielding & criticality safety," in Materials Science and Technology Conference and Exhibition, MS and T'07: "Exploring Structure, Processing, and Applications Across Multiple Materials Systems," 2007.
B. Aygün, "High alloyed new stainless steel shielding material for gamma and fast neutron radiation," Nucl. Eng. Technol. 52, 647-653 (2019). 10.1016/j.net.2019.08.017
C. J. Guembou Shouop, M. Ndontchueng Moyo, E. J. Nguelem Mekongtso et al., "Radiological protection requirements with regard to cosmic ray exposure during air travel," Eur. Phys. J. Plus 135, 438 (2020). 10.1140/epjp/s13360-020-00468-8
J. W. Shin, S.-W. Hong, S.-I. Bak et al., "GEANT4 and PHITS simulations of the shielding of neutrons from the 252Cf source," J. Korean Phys. Soc. 65, 591-598 (2014). 10.3938/jkps.65.591
S. A. M. Issa, H. O. Tekin, R. Elsaman et al., "Radiation shielding and mechanical properties of Al2O3-Na2O-B2O3-Bi2O3glasses using MCNPX Monte Carlo code," Mater. Chem. Phys. 223, 209-219 (2019). 10.1016/j.matchemphys.2018.10.064
K. Niita, N. Matsuda, Y. Iwamoto et al., "PHITS overview," AIP Conf. Proc. 896, 61 (2007). 10.1063/1.2720457
T. Sato, Y. Iwamoto, S. Hashimoto et al., "Features of particle and heavy ion transport code system (PHITS) version 3.02," J. Nucl. Sci. Technol. 55 (6), 684-690 (2018). 10.1080/00223131.2017.1419890
T. Sato, K. Niita, N. Matsuda et al., "Particle and heavy ion transport code system, PHITS, version 2.52," J. Nucl. Sci. Technol. 50 (9), 913-923 (2013). 10.1080/00223131.2013.814553
Y. Iwamoto, T. Sato, S. Hashimoto et al., "Benchmark study of the recent version of the PHITS code," J. Nucl. Sci. Technol. 54 (5), 617-635 (2017). 10.1080/00223131.2017.1297742
T. Sato, K. Niita, N. Matsuda et al., "Overview of the PHITS code and its application to medical physics," Prog. Nucl. Sci. Technol. 4, 879-882 (2014). 10.15669/pnst.4.879
L. Sihver, T. Sato, K. Gustafsson et al., "An update about recent developments of the PHITS code," Adv. Space Res. 45 (7), 892-899 (2010). 10.1016/j.asr.2010.01.002
K. Niita, N. Matsuda, Y. Iwamoto et al., PHITS: Particle and Heavy Ion Transport code System, Version 2. 23. JAEA-Data/Code (2010).
C. J. Guembou Shouop and S. Bak, "Maze influence to radiological protection around industrial radiographic sources (Co-60) under 100 Ci," in Transactions of the Korean Nuclear Society Autumn Meeting Goyang, Korea, October 24-25, 2019 (Korean Nuclear Society, 2019), pp. 3-6.
T. Sato, K. Niita, N. Matsuda et al., "Overview of particle and heavy ion transport code system PHITS," Ann. Nucl. Energy 82, 110-115 (2015). 10.1016/j.anucene.2014.08.023
C. J. Guembou Shouop, Shielding Design and Safety Measures Around 60Co, 192Ir, and 252Cf Sources in Industrial Radiography Facilities Based on PHITS Monte Carlo Simulations, KAIST-Korea Advanced Institute of Science and Technology, 2020.
G. Shouop, C. Joel, N. M. Maurice et al., "Monte Carlo method for gamma spectrometry based on GEANT4 toolkit: Efficiency calibration of BE6530 detector," J. Environ. Radioact. 189, 109-119 (2018). 10.1016/j.jenvrad.2018.03.015
K. Niita, T. Sato, H. Iwase et al., "PHITS-a particle and heavy ion transport code system," Radiat. Meas. 41 (9-10), 1080-1090 (2006). 10.1016/j.radmeas.2006.07.013