Radiation shielding of the Fermilab 16 GeV proton driver

N. Mokhov, A. Drozhdin, O. Krivosheev
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引用次数: 2

Abstract

The radiation transport analysis in the proposed Fermilab 1.2 MW Proton Driver (PD) is fundamentally important because of the impact on machine performance, conventional facility design, maintenance operations, and related costs. The strategy adopted in the PD design is that the beam losses in the machine are localized and controlled as much as possible via the dedicated beam collimation system, with a high loss rate localized in that section and drastically lower uncontrolled beam loss rate in the rest of the lattice. Results of thorough Monte Carlo calculations of prompt and residual radiation in and around the PD components are presented for realistic assumptions and geometry under normal operation and accidental conditions. This allowed one to conduct shielding design and analysis to meet regulatory requirements for external shielding, hands on maintenance and ground-water activation.
费米实验室16gev质子驱动器的辐射屏蔽
费米实验室1.2 MW质子驱动器(PD)的辐射输运分析至关重要,因为它对机器性能、常规设施设计、维护操作和相关成本都有影响。PD设计中采用的策略是通过专用的光束准直系统尽可能地将机器中的光束损耗局部化并加以控制,使得该部分的损失率较高,而晶格其余部分的不受控制的光束损失率则大大降低。在正常运行和意外条件下,对PD组件内部和周围的提示辐射和残余辐射进行了全面的蒙特卡罗计算,并给出了实际的假设和几何形状。这使得人们可以进行屏蔽设计和分析,以满足外部屏蔽、手工维护和地下水激活的监管要求。
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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