高能氘核在厚铍靶中的能量沉积计算与验证

IF 1.8 3区物理与天体物理 Q2 NUCLEAR SCIENCE & TECHNOLOGY

Radiation Measurements Pub Date : 2025-12-01 Epub Date: 2025-09-29 DOI:10.1016/j.radmeas.2025.107530

Zhichao Gao , Xueying Zhang , Yongqin Ju , Rui Han , Honglin Ge , Fei Ma , Yanbin Zhang , Bin Zhou , Liang Chen , GuoYu Tian , Tao Wan , Yaoxuan Cui , Wenli Qu

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引用次数: 0

摘要

d-Be中子源是一种紧凑的加速器中子源，具有显著的潜力。高能氘核束在铍靶中的能量沉积是靶热系统设计的重要参考因素。利用Geant4工具和三种反应模型，研究了厚铍靶中氘核的总能量沉积、能量沉积线密度以及不同二次粒子的贡献。此外，我们还进行了300 MeV氘核束轰击厚铍靶的实验，使用多个热释光探测器测量靶内的剂量分布。模拟结果与实验数据的比较表明，Geant4模拟能有效地估计d-Be反应的能量沉积，其中BIC_AllHP模型与实验数据最吻合。

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Calculation and verification of energy deposition by high-energy deuterons in thick beryllium target

The d-Be neutron source is a compact accelerator neutron source with significant potential. The energy deposition of a high-energy deuteron beam in beryllium target serves as an important reference consideration in the design of target heat removal systems. The total energy deposition of deuterons, energy deposition linear density, and the contributions of different secondary particles in thick beryllium targets is investigated using Geant4 toolkit with three reaction models. Additionally, we conducted an experiment of a 300 MeV deuteron beam bombarding thick beryllium targets, where multiple thermoluminescent detectors were used to measure the dose distribution in targets. The comparison between simulation results and experimental data indicate that the Geant4 simulation effectively estimates the energy deposition of the d-Be reactions, with the BIC_AllHP model showing the best agreement with the experimental data.

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来源期刊

Radiation Measurements 工程技术-核科学技术

CiteScore

4.10

自引率

20.00%

发文量

116

审稿时长

48 days

期刊介绍： The journal seeks to publish papers that present advances in the following areas: spontaneous and stimulated luminescence (including scintillating materials, thermoluminescence, and optically stimulated luminescence); electron spin resonance of natural and synthetic materials; the physics, design and performance of radiation measurements (including computational modelling such as electronic transport simulations); the novel basic aspects of radiation measurement in medical physics. Studies of energy-transfer phenomena, track physics and microdosimetry are also of interest to the journal. Applications relevant to the journal, particularly where they present novel detection techniques, novel analytical approaches or novel materials, include: personal dosimetry (including dosimetric quantities, active/electronic and passive monitoring techniques for photon, neutron and charged-particle exposures); environmental dosimetry (including methodological advances and predictive models related to radon, but generally excluding local survey results of radon where the main aim is to establish the radiation risk to populations); cosmic and high-energy radiation measurements (including dosimetry, space radiation effects, and single event upsets); dosimetry-based archaeological and Quaternary dating; dosimetry-based approaches to thermochronometry; accident and retrospective dosimetry (including activation detectors), and dosimetry and measurements related to medical applications.