Absolute measurement of surface particle emission rates from α and β plane sources using a digitizer
LU Tianxiang1, ZHOU Qianqian2, ZHANG Ming2, TUO Fei1, KONG Shuying1
1. National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088 China; 2. National Institute of Metrology, Beijing 100029 China
路天翔, 周倩倩, 张明, 拓飞, 孔淑颖. 利用数字化仪实现α、β平面源表面粒子发射率的绝对测量[J]. 中国辐射卫生, 2023, 32(1): 1-5.
LU Tianxiang, ZHOU Qianqian, ZHANG Ming, TUO Fei, KONG Shuying. Absolute measurement of surface particle emission rates from α and β plane sources using a digitizer. Chinese Journal of Radiological Health, 2023, 32(1): 1-5.
[1] Pausch G, Moszyński M, Wolski D, et al. Application of the pulse-shape technique to proton-alpha discrimination in Si-detector arrays[J]. Nucl Instrum Methods Phys Res Sect A:Accel, Spectrom, Detect Assoc Equip, 1995, 365(1): 176-184. DOI: 10.1016/0168-9002(95)00488-2 [2] Jordanov VT, Knoll GF, Huber AC, et al. Digital techniques for real-time pulse shaping in radiation measurements[J]. Nucl Instrum Methods Phys Res Sect A:Accel, Spectrom, Detect Assoc Equip, 1994, 353(1/3): 261-264. DOI: 10.1016/0168-9002(94)91652-7 [3] 杜成名. 数字化波形采样技术在粒子探测中的应用与研究[D]. 兰州: 中国科学院研究生院(近代物理研究所), 2016. Du CM. The application and research of the digital waveform sampling technology in particle detection[D]. Lanzhou: Institute of Modern Physics, Chinese Academy of Sciences, 2016. [4] Morishita Y. Development of a portable alpha–beta–gamma radioactive material continuous air-monitoring system[J]. Nucl Instrum Methods Phys Res Sect A:Accel, Spectrom, Detect Assoc Equip, 2022, 1027: 166258. DOI: 10.1016/j.nima.2021.166258 [5] Morishita Y, Di Fulvio A, Clarke SD, et al. Organic scintillator-based alpha/beta detector for radiological decontamination[J]. Nucl Instrum Methods Phys Res Sect A:Accel, Spectrom, Detect Assoc Equip, 2019, 935: 207-213. DOI: 10.1016/j.nima.2019.04.024 [6] Kim C, Yeom JY, Kim G. Digital n-γ pulse shape discrimination in organic scintillators with a high-speed digitizer[J]. J Radiat Prot Res, 2019, 44(2): 53-63. DOI: 10.14407/jrpr.2019.44.2.53 [7] Chepurnov AS, Gavrilenko OI, Kirsanov MA, et al. Study of the influence of ADC sampling rate on the efficiency of neutron-gamma discrimination by the pulse shape[J]. J Phys:Conf Ser, 2017, 934: 012054. DOI: 10.1088/1742-6596/934/1/012054 [8] 梁珺成, 李奇, 柳加成, 等. 2πα、2πβ粒子发射率的绝对测量[J]. 计量学报,2016,37(2):209-213. DOI: 10.3969/j.issn.1000-1158.2016.02.22 Liang JC, Li Q, Liu JC, et al. The absolute measurement for 2πα and 2πβ particle emission rate[J]. Acta Metrol Sin, 2016, 37(2): 209-213. DOI: 10.3969/j.issn.1000-1158.2016.02.22 [9] 李语奇, 王仁生, 张明, 等. 多丝正比计数器工作气体压强变化对α、β表面粒子发射率测量的影响[J]. 计量学报,2019,40(1):153-158. DOI: 10.3969/j.issn.1000-1158.2019.01.25 Li YQ, Wang RS, Zhang M, et al. Gas pressure dependence in the multi-wire proportional counter on the absolute measurement for α and β sources surface emission rates[J]. Acta Metrol Sin, 2019, 40(1): 153-158. DOI: 10.3969/j.issn.1000-1158.2019.01.25 [10] Kumar M, Gandhi SS, Nuwad J, et al. An electrochemical pathway to prepare circular planar 90Sr/90Y sources for the calibration of surface contamination monitors[J]. J Radioanal Nucl Chem, 2014, 302(1): 709-719. DOI: 10.1007/s10967-014-3272-1 [11] User manual UM3148 DT5730/DT5730S 8 channel 14 bit 500/250 MS/s digitizer[EB/OL]. Viareggio, Italy, 2021. https://www.caen.it/products/dt5730/. [12] 李朋杰, 李智焕, 陈志强, 等. 硅探测器的数字化脉冲形状甄别[J]. 原子核物理评论,2017,34(2):177-183. DOI: 10.11804/NuclPhysRev.34.02.177 Li PJ, Li ZH, Chen ZQ, et al. Digital pulse shape discrimination for silicon detector[J]. Nucl Phys Rev, 2017, 34(2): 177-183. DOI: 10.11804/NuclPhysRev.34.02.177 [13] 国家质量监督检验检疫总局, 中国国家标准化管理委员会. GB/T 20131—2006 α/β流气式正比计数器的标定和使用[S]. 北京: 中国标准出版社, 2006. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China. GB/T 20131—2006 Calibration and usage of α/β gas proportional counters[S]. Beijing: Standards Press of China, 2006. [14] ISO. ISO 8769: 2020 Measurement of radioactivity — Alpha-, beta- and photon emitting radionuclides — Reference measurement standard specifications for the calibration of surface contamination monitors[S]. Geneva: International Standards Organization, 2020. [15] 复旦大学, 清华大学, 北京大学. 原子核物理实验方法[M]. 第三版. 北京: 原子能出版社, 1997. Fudan University, Tsinghua University, Peking University. Methods of nuclear physical experiments[M]. 3rd Ed. Beijing: Atomic Energy Press, 1997.
