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首页> 外文期刊>Annals of nuclear energy >Design of moderator and multiplier systems for D-T neutron source in BNCT
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Design of moderator and multiplier systems for D-T neutron source in BNCT

机译:BNCT中D-T中子源缓和倍增器系统的设计

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摘要

Boron Neutron Capture Therapy (BNCT) is an outstanding way to treat Glioblastoma Multiforme. Epither-mal neutrons with energy from 1 eV to 10 keV represent the most effective range for brain tumor therapy. In this research we have focused on ~3H(d, n)~4He reaction as a neutron source using Cock Craft Walton accelerator. High neutron yield with 14.1 MeV energy can be generated via accelerating a deuteron beam with 110 keV energy.rnA Monte Carlo simulation code (MCNP4C) was used to design the D-T source. Pb and ~(238)U are suggested as neutron multipliers; AlF_3 and BeO as a moderator and reflector, respectively. An Al layer is used for decreasing the ratio of fast to total neutron fluxes. Epithermal neutron flux in the suggested system is 10~8 n/cm~2 s and is a suitable flux for BNCT applications. Finally the suggested configuration is compared to the most recent works and it is shown that the proposed configuration works better.
机译:硼中子捕获疗法(BNCT)是治疗多形性胶质母细胞瘤的杰出方法。能量为1 eV至10 keV的上皮性中子代表了脑肿瘤治疗的最有效范围。在这项研究中,我们重点研究了使用Cock Craft Walton加速器作为中子源的〜3H(d,n)〜4He反应。通过以110 keV能量加速氘核束,可以产生具有14.1 MeV能量的高中子产率。rnA蒙特卡罗模拟代码(MCNP4C)用于设计D-T源。建议使用Pb和〜(238)U作为中子倍增器。 AlF_3和BeO分别作为主持人和反射者。铝层用于降低快中子通量与总中子通量之比。建议系统中的超热中子通量为10〜8 n / cm〜2 s,是BNCT应用的合适通量。最后,将建议的配置与最新工作进行了比较,结果表明,建议的配置效果更好。

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  • 来源
    《Annals of nuclear energy》 |2009年第8期|1100-1102|共3页
  • 作者

    M.R. Eskandari; S. Kashian;

  • 作者单位

    Physics Department, Shiraz University, Shiraz 71454, Iran Nuclear Engineering Department, Shiraz University, Shiraz, Iran;

    Physics Department, Shiraz University, Shiraz 71454, Iran Radiation Application Research School, Nuclear Science and Technology Research Institute, Tehran, Iran;

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