Abstract

Project of the proton accelerator-driven compact neutron source DARIA (Dedicated for Academic Research and Industrial Application) is developed in order to replace small and middle flux neutron sources based on the nuclear reactors. DARIA has a uniquely high ratio of efficiency to cost due to deep optimization of each key element of the system (proton injector and accelerator, target, neutron moderator and neutron instruments. A unique ECR ion source, developed at the IAP RAS, would be used as a proton beam injector. In such device the plasma is heated by the powerful 28 GHz gyrotron radiation, providing a record level of volumetric energy input for such systems over 100 W/cm³. The high plasma density and the optimal electron temperature provide proton beams formation with a current of up to several hundred mA and an emittance that meets the requirements of modern accelerators. The paper discusses the advantages of using such an ion source, its scheme and design performance.

中文翻译：

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紧凑型中子源 DARIA 质子注射器的设计

摘要

开发质子加速器驱动的紧凑型中子源DARIA（Dedicated for Academic Research and Industrial Application）项目，以替代基于核反应堆的中小通量中子源。由于系统的每个关键元件（质子注入器和加速器、靶、中子慢化剂和中子仪器）的深度优化，DARIA 具有独特的高效率与成本比。将使用在 IAP RAS 开发的独特 ECR 离子源作为质子束注入器。在这种装置中，等离子体被强大的 28 GHz 回旋辐射加热，为此类系统提供超过 100 W/cm ^{3的创纪录水平的体积能量输入}. 高等离子体密度和最佳电子温度为质子束形成提供高达数百毫安的电流和满足现代加速器要求的发射率。本文讨论了使用这种离子源的优点、方案和设计性能。