ESTIMATION OF RADIOACTIVITY PRODUCED IN COOLING WATER AT HIGH-INTENSITY PROTON ACCELERATOR FACILITY

被引：0

作者：

Masukawa, Fumihiro ^{[1
]}

Nakane, Yoshihiro ^{[1
]}

Iwamoto, Yosuke ^{[1
]}

Nakashima, Hiroshi ^{[1
]}

机构：

[1] Japan Atom Energy Agcy, Tokai, Ibaraki 3191195, Japan

来源：

NUCLEAR TECHNOLOGY | 2009年 / 168卷 / 03期

关键词：

proton accelerator; cooling water; radioactivity; J-PARC; PROJECT;

D O I：

10.13182/NT09-A9289

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The radioactivity produced in accelerator cooling water was estimated to determine the maintenance scenario of Japan Proton Accelerator Research Complex (J-PARC) accelerators. The PHITS and the MCNPX codes were used to calculate the proton and neutron fluxes in water-cooled accelerator components. The activation. cross-section sets of oxygen for high-energy protons and neutrons were evaluated from the available experimental data and theoretically calculated data by the INC/GEM and the LAHET codes. The radioactivity from corrosion products was also estimated by scaling of the measurements at the High Energy Accelerator Research Organization 12 GeV Proton Synchrotron Experiment (KEK-PS) and Los Alamos Meson Physics Facility (LAMPF). The tritium estimation is an acceptable level for disposal to the environment, while short-lived nuclides at the 3-GeV synchrotron may raise the dose rate in the machine room.

引用

页码：680 / 684

页数：5

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