Laser wakefield electron accelerator: possible use for radioisotope production

被引:0
作者
Vieira Junior, Nilson Dias [1 ]
Maldonado, Edison Puig [2 ]
Bonatto, Alexandre [3 ]
Nunes, Roger Pizzato [4 ]
Banerjee, Sudeep [5 ]
Genezini, Frederico Antonio [1 ]
Moralles, Mauricio [1 ]
Zuffi, Armando V. F. [1 ]
Samad, Ricardo Elgul [1 ]
机构
[1] IPEN CNEN, Sao Paulo, SP, Brazil
[2] Inst Tecnol Aeronaut, Sao Jose Dos Campos, SP, Brazil
[3] UFCSPA, Porto Alegre, RS, Brazil
[4] Univ Fed Rio Grande do Sul, Porto Alegre, RS, Brazil
[5] Arizona State Univ, Tempe, AZ USA
来源
2021 SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE (SBFOTON IOPC) | 2021年
基金
巴西圣保罗研究基金会;
关键词
Laser wakefield; photoneutron reaction; radioisotope; nuclear medicine; COMPRESSION; PULSES; BEAMS;
D O I
10.1109/SBFOTONIOPC50774.2021.9461976
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Electron beams generated by laser wakefield acceleration can induce a photoneutron reaction to convert Mo-100 into Mo-99. Multi-pC, several-MeV electron beams, obtained from particle-in-cell simulations, could generate bremsstrahlung gamma photons within the absorption region of the photonuclear reaction. The efficiency of this process is estimated for a laser accelerator operating at kHz repetition rate in the self-modulated regime. The electron beam kinetic energy must be improved to 40MeV. To meet the typical consumption of Mo-99 per patient within its decay timescale, this efficiency must be increased by three orders of magnitude.
引用
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页数:6
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