Optimized beam shaping assembly for a 2.1-MeV proton-accelerator-based neutron source for boron neutron capture therapy

被引：21
|
作者：
Torres-Sanchez, Pablo [1 ]
Porras, Ignacio [1 ]
Ramos-Chernenko, Nataliya [1 ]
Arias de Saavedra, Fernando [1 ]
Praena, Javier [1 ]
机构：
[1] Univ Granada, Fac Ciencias, Dept Fis Atom Mol & Nucl, Granada 18071, Spain
来源：
SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期
关键词：
BNCT; FACILITY;
D O I：
10.1038/s41598-021-87305-9
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Boron Neutron Capture Therapy (BNCT) is facing a new era where different projects based on accelerators instead of reactors are under development. The new facilities can be placed at hospitals and will increase the number of clinical trials. The therapeutic effect of BNCT can be improved if a optimized epithermal neutron spectrum is obtained, for which the beam shape assembly is a key ingredient. In this paper we propose an optimal beam shaping assembly suited for an affordable low energy accelerator. The beam obtained with the device proposed accomplishes all the IAEA recommendations for proton energies between 2.0 and 2.1 MeV. In addition, there is an overall improvement of the figures of merit with respect to BNCT facilities and previous proposals of new accelerator-based facilities.
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页数：12
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