2018年3月1日 · We propose an RFQ based neutron source for BNCT application via the 7 Li (p, n) 7Be reaction. The RFQ, operating at CW mode, accelerates a 20 mA proton beam to 2.5 MeV to bombard a liquid lithium target, delivering fast neutron yield of 1.73 × 10 13 n/s and epithermal neutron flux at the beam port of 1.575 × 10 9 n/s/cm 2.

加速器的硼中子俘获治疗(BNCT)实验装置。射频功率源系统为352.2 MHz 射频四极加速器(RFQ )提供高频� �、数字低电平控制系统、射频传输系统。本文介绍了BNCT射频功率源系统,主要包括物理

2022年2月18日 · This paper presents a first feasibility study on the application of a SRF niobium cavity to an accelerator-based neutron source for BNCT, assuming that a superconducting radio frequency quadrupole (SC-RFQ) composed of pure bulk niobium at 4.2 K accelerates the proton/deuteron beams to a beryllium or lithium target for the neutron production of ...

pole (RFQ) accelerator is designed for boron neutron capture therapy (BNCT). The transmission efficiency of a 20-mA proton beam accelerated from 30 keV to 2.5 MeV can reach 98.7% at an op

2021年3月12日 · A high-intensity continuous wave (CW) radio frequency quadrupole (RFQ) accelerator is designed for boron neutron capture therapy (BNCT). The transmission efficiency of a 20-mA proton beam accelerated from 30 keV to 2.5 MeV can reach 98.7% at an operating frequency of 200 MHz.

2022年10月12日 · 180MHz RFQ腔体是BNCT加速器采用的唯一加速结构和关键部件。 该RFQ腔体尺寸大、结构复杂，加工精度要求高，研制过程具有很大的挑战。 高能锐新公司项目组与课题组联合进行技术攻关，开发了多项创新的技术工艺，并持续优化现有工艺流程。

The BNCT RFQ keeps the focusing strength B constant, which merits in fabricating RFQ cavities. Such design makes the cross-section of RFQ constant, and makes it be easier to tune the cavity, and NC shaping miller can be used for machining the RFQ vanes.

2021年3月13日 · Researchers have proposed a method for using an RFQ accelerator [4] to accelerate proton beams bombarding on targets to produce neutrons, which can be used as the front-end accelerator of AB-BNCT neutron source facilities [5].

An accelerator for Boron Neutron Capture Therapy (BNCT) based on proton Linac has been developed. The accelerator system consists of duo plasmatron as an ion source, low energy beam transport (LEBT), radio frequency quarupole (RFQ) accelerator, Drift Tube Linac (DTL).

The PKU RFQ group proposes an RFQ based neutron source for BNCT. A unique beam dynamics design of 162.5 MHz BNCT-RFQ, which accelerates 20 mA of H+ from 30 keV to 2.5 MeV in CW operation, has been performed in this study.