Background Radiation Measurements at High Power Research Reactors

Background Radiation Measurements at High Power Research Reactors
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DOI：
10.1016/j.nima.2015.10.023
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发表时间：
2015-06
期刊：
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment
影响因子：
1.4
通讯作者：
J. Ashenfelter;B. Balantekin;C. Baldenegro;H. Band;G. Barclay;C. Bass;D. Berish;N. Bowden;C. Bryan;J. Cherwinka;R. Chu;R. Chu;T. Classen;D. Davee;D. Dean;G. Deichert;M. Dolinski;J. Dolph;D. Dwyer;S. Fan;S. Fan;J. Gaison;A. Galindo-Uribarri;A. Galindo-Uribarri;K. Gilje;A. Glenn;M. Green;K. Han;S. Hans;K. Heeger;B. Heffron;B. Heffron;D. Jaffe;S. Kettell;T. Langford;B. Littlejohn;D. Martínez;R. Mckeown;S. Morrell;P. Mueller;H. Mumm;J. Napolitano;D. Norcini;D. Pushin;E. Romero;E. Romero;R. Rosero;L. Saldaña;B. Seilhan;R. Sharma;N. Stemen;P. T. Surukuchi;Scott J. Thompson;R. Varner;Wei Wang;S. Watson;B. White;C. G. White;J. Wilhelmi;C. Williams;T. Wise;H. Yao;M. Yeh;Y. Yen;Chao Zhang;X. Zhang
J. Ashenfelter;B. Balantekin;C. Baldenegro;H. Band;G. Barclay;C. Bass;D. Berish;N. Bowden;C. Bryan;J. Cherwinka;R. Chu;R. Chu;T. Classen;D. Davee;D. Dean;G. Deichert;M. Dolinski;J. Dolph;D. Dwyer;S. Fan;S. Fan;J. Gaison;A. Galindo-Uribarri;A. Galindo-Uribarri;K. Gilje;A. Glenn;M. Green;K. Han;S. Hans;K. Heeger;B. Heffron;B. Heffron;D. Jaffe;S. Kettell;T. Langford;B. Littlejohn;D. Martínez;R. Mckeown;S. Morrell;P. Mueller;H. Mumm;J. Napolitano;D. Norcini;D. Pushin;E. Romero;E. Romero;R. Rosero;L. Saldaña;B. Seilhan;R. Sharma;N. Stemen;P. T. Surukuchi;Scott J. Thompson;R. Varner;Wei Wang;S. Watson;B. White;C. G. White;J. Wilhelmi;C. Williams;T. Wise;H. Yao;M. Yeh;Y. Yen;Chao Zhang;X. Zhang
中科院分区：
物理与天体物理3区
文献类型：
--
作者：
J. Ashenfelter;B. Balantekin;C. Baldenegro;H. Band;G. Barclay;C. Bass;D. Berish;N. Bowden;C. Bryan;J. Cherwinka;R. Chu;R. Chu;T. Classen;D. Davee;D. Dean;G. Deichert;M. Dolinski;J. Dolph;D. Dwyer;S. Fan;S. Fan;J. Gaison;A. Galindo-Uribarri;A. Galindo-Uribarri;K. Gilje;A. Glenn;M. Green;K. Han;S. Hans;K. Heeger;B. Heffron;B. Heffron;D. Jaffe;S. Kettell;T. Langford;B. Littlejohn;D. Martínez;R. Mckeown;S. Morrell;P. Mueller;H. Mumm;J. Napolitano;D. Norcini;D. Pushin;E. Romero;E. Romero;R. Rosero;L. Saldaña;B. Seilhan;R. Sharma;N. Stemen;P. T. Surukuchi;Scott J. Thompson;R. Varner;Wei Wang;S. Watson;B. White;C. G. White;J. Wilhelmi;C. Williams;T. Wise;H. Yao;M. Yeh;Y. Yen;Chao Zhang;X. Zhang

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研究反应堆承载着利用这些设施产生的强中子通量的各种活动。最近的兴趣在执行测量相对较低的事件率，例如反应堆反中微子探测，在这些设施需要详细了解的背景辐射场。与反应堆相关的背景源和自然发生的背景源都可能很重要，即使其水平远低于典型活动的重要水平。在这里，我们描述了一个全面的系列背景评估在三个高功率研究反应堆，包括γ射线，中子和μ子测量。对于每个设施，我们描述的特点，并确定遇到的背景字段的来源。对背景生产机制及其与设施特征的关系的一般了解将证明对规划在其中进行的任何敏感测量是有价值的。
Research reactors host a wide range of activities that make use of the intense neutron fluxes generated at these facilities. Recent interest in performing measurements with relatively low event rates, e.g. reactor antineutrino detection, at these facilities necessitates a detailed understanding of background radiation fields. Both reactor-correlated and naturally occurring background sources are potentially important, even at levels well below those of importance for typical activities. Here we describe a comprehensive series of background assessments at three high-power research reactors, including γ-ray, neutron, and muon measurements. For each facility we describe the characteristics and identify the sources of the background fields encountered. The general understanding gained of background production mechanisms and their relationship to facility features will prove valuable for the planning of any sensitive measurement conducted therein.