Photoneutronic aspects of the molybdenum-99 production by means of electron linear accelerators

被引：5
作者：
Fedorchenko, D. V. [1 ]
Tsechanski, A. [2 ]
机构：
[1] Kharkov Inst Phys & Technol, Natl Sci Ctr, 1 Akad Skaya St, UA-61108 Kharkov, Ukraine
[2] Ben Gurion Univ Negev, Dept Nucl Engn, POB 653, IL-84105 Beer Sheva, Israel
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2019年 / 438卷
关键词：
Electron linear accelerator; Mo-99; production; Medical isotopes; Monte Carlo simulation; PHITS; PHOTONUCLEAR; BREMSSTRAHLUNG; MOLYBDENUM; TRANSPORT; VERSION; FLUKA;
D O I：
10.1016/j.nimb.2018.10.018
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Monte Carlo simulations were used to study Mo-99 photonuclear production. Simulation showed that direct production of Mo-99 in the cylindrical Mo-100 target provides higher values of Mo-99 specific activity compared to production using separate bremsstrahlung converter. For 50 MeV 100 kW electron beam we obtained the maximum value of 61 Ci/g specific activity of produced Mo-99 at saturation. Calculations for the targets with optimized shape showed that even higher levels of specific activity are achievable: for optimized target the calculated value of Mo-99 specific activity at saturation exceeds values of 145.89 Ci/g for setup with bremsstrahlung converter and 170.07 Ci/g without the converter.
引用
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页码：6 / 13
页数：8
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