GEANT4 simulation for controlling and focusing of laser-accelerated proton beam for particle therapy using pulsed power solenoids

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2024-11-10 DOI:10.1016/j.nimb.2024.165563

S.A. Mahdipour , M. Shafeei Sarvestani

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引用次数: 0

Abstract

Laser-accelerated proton beams (LAP) have inspired innovative applications that can leverage proton bunch properties distinct from those of conventionally accelerated proton beams. A new multifunctional LAP beamline has been proposed, utilizing the GEANT4 toolkit, and the solenoids have been simulated using high-precision components.

We present the design of the initial segment of the transport beamline and energy selection system for the effective transport of a radiation pressure acceleration source with a high energy spread. This study examines the effects of solenoids on proton beam quality, specifically focusing on profiles, FWHM, and transmission efficiency. The results obtained using our developed GEANT4 toolkit validate the analytical formulas and findings from the DYNAMION code regarding emittance and proton profiles. Additionally, the presented GEANT4 LAP beamline is capable of calculating the flux of secondary particles, such as neutrons and photons. It was observed that careful attention to the precise structure of the solenoids is critical.

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利用脉冲功率电磁铁控制和聚焦用于粒子治疗的激光加速质子束的 GEANT4 仿真

激光加速质子束（LAP）激发了创新应用，这些应用可以利用质子束与传统加速质子束不同的特性。我们利用 GEANT4 工具包提出了一条新的多功能 LAP 光束线，并使用高精度组件对螺线管进行了模拟。我们介绍了传输光束线初始段和能量选择系统的设计，以便有效传输具有高能量传播的辐射压力加速源。这项研究考察了螺线管对质子束质量的影响，特别是对轮廓、全宽和传输效率的影响。使用我们开发的 GEANT4 工具包获得的结果验证了 DYNAMION 代码中有关发射率和质子剖面的分析公式和结论。此外，所介绍的 GEANT4 LAP 光束线还能够计算中子和光子等二次粒子的通量。据观察，仔细关注螺线管的精确结构至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms 物理-核科学技术

CiteScore

2.80

自引率

7.70%

发文量

231

审稿时长

1.9 months

期刊介绍： Section B of Nuclear Instruments and Methods in Physics Research covers all aspects of the interaction of energetic beams with atoms, molecules and aggregate forms of matter. This includes ion beam analysis and ion beam modification of materials as well as basic data of importance for these studies. Topics of general interest include: atomic collisions in solids, particle channelling, all aspects of collision cascades, the modification of materials by energetic beams, ion implantation, irradiation - induced changes in materials, the physics and chemistry of beam interactions and the analysis of materials by all forms of energetic radiation. Modification by ion, laser and electron beams for the study of electronic materials, metals, ceramics, insulators, polymers and other important and new materials systems are included. Related studies, such as the application of ion beam analysis to biological, archaeological and geological samples as well as applications to solve problems in planetary science are also welcome. Energetic beams of interest include atomic and molecular ions, neutrons, positrons and muons, plasmas directed at surfaces, electron and photon beams, including laser treated surfaces and studies of solids by photon radiation from rotating anodes, synchrotrons, etc. In addition, the interaction between various forms of radiation and radiation-induced deposition processes are relevant.