Flux and dose transmission through concrete of neutrons from proton induced reactions on various target elements

Moumita Maiti; Maitreyee Nandy; S.N. Roy; P.K. Sarkar

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Flux and dose transmission through concrete of neutrons from proton induced reactions on various target elements

机译：质子在各种目标元素上引起的反应通过中子通过混凝土的通量和剂量传输

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摘要

Simple empirical expressions for transmission of flux and dose through concrete are presented for neutrons from proton induced reactions. For this purpose the neutron emission from different targets in proton induced reactions in the energy range 25-200 MeV have been considered. The calculated effective dose outside a concrete shield shows overall good agreement with the effective dose estimated from measured neutron flux in the framework of the Moyer model. The calculated effective attenuation length shows a rising trend with incident proton energy and shield thickness.

机译：对于质子诱发反应的中子，给出了通量和剂量通过混凝土的简单经验表达式。为了这个目的，已经考虑了在25-200MeV的能量范围内质子诱发的反应中来自不同靶的中子发射。在混凝土屏蔽层外计算出的有效剂量与在Moyer模型框架下根据测得的中子通量估算的有效剂量总体上吻合良好。计算得出的有效衰减长度随着入射质子能量和屏蔽层厚度的增加而呈现上升趋势。

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来源
《Nuclear Instruments & Methods in Physics Research. B, Beam Interactions with Materials and Atoms》 |2004年第4期|p.585-594|共10页
作者
Moumita Maiti; Maitreyee Nandy; S.N. Roy; P.K. Sarkar;
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作者单位

Department of Physics, Visva Bharati, Santiniketan 731235, India;

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原文格式 PDF
正文语种 eng
中图分类原子核物理学、高能物理学;原子能技术;
关键词
flux and dose transmission; thick target; effective attenuation length; empirical expression;

机译：通量和剂量传递;厚靶;有效衰减长度;经验表达式;

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专利

1. Attenuation of ambient dose equivalent from neutrons by thick concrete, cast iron and composite shields for high energy proton, ~3He, ~(48)Ca and ~(238)U ions on Cu targets for shielding design [J] . Yosuke Iwamotoa, R.M. Ronningen Nuclear Instruments & Methods in Physics Research . 2011,第3期

机译：厚混凝土，铸铁和高能质子，Cu目标上的〜3He，〜（48）Ca和〜（238）U离子的厚混凝土，铸铁和复合屏蔽对中子的环境剂量当量的衰减
2. The Neutron Production Cross Sections for Pb, Bi, and Au Targets and Neutron Multiplicity for Nuclear Spaliation Reaction Induced by 20- to 1600-MeV Protons [J] . I. Demirkol, E. Tel, A. Arasoglu, Nuclear science and engineering . 2004,第1期

机译：Pb，Bi和Au靶的中子产生截面和20-1600 MeV质子引起的核分裂反应的中子多重性
3. Influence of different data tables on neutron induced reactions in quasi-infinite 238U and 232Th targets irradiated by protons with relativistic energy [J] . P Zhivkov, Ch Stoyanov, S Tyutyunnikov, Journal of Physics: Conference Series . 2016,第1期

机译：不同数据表对质子相对论能量辐照准无限238U和232Th目标中子诱发反应的影响
4. Transmutation of ~(129)I with High Energy Neutrons Produced iN Spallation Reactions Induced by Protons in Massive Target [C] . V. Henzl, D. Henzlova, A. Kugler, International Conference on Nuclear Data for Science and Technology . 2002

机译：〜（129）I具有高能量中子的嬗变，在大规模靶标中由质子诱导的椎间体反应产生
5. Extracting the asymptotic normalization coefficients in neutron transfer reactions to determine the reaction rates for magnesium-22(proton,gamma)-aluminum-23 and fluorine-17(proton,gamma)-neon-18. [D] . Al-Abdullah, Tariq Abdalhamed. 2007

机译：提取中子转移反应的渐近归一化系数，以确定镁22（质子，γ）-铝23和氟17（质子，γ）-氖的反应速率。
6. Secondary neutron dose measurement for proton eye treatment using an eye snout with a borated neutron absorber [O] . Dong Wook Kim, Weon Kuu Chung, Jungwook Shin, 2013

机译：二次中子剂量测量用于使用带硼酸化中子吸收器的口鼻部进行质子眼治疗
7. NEUTRON YIELDS FROM PROTON-INDUCED SPALLATION REACTIONS IN THICK TARGETS OF LEAD [O] . M. A. Lone, P. Y. Wong 2012

机译：中子产生质子诱发的激烈反应在铅的厚目标中
8. Experimental data on concrete shield transmission of quasi-monoenergetic neutrons generated by 43- and 68-MeV protons via the (sup 7)Li(p,n) reaction [R] . Nakao, N. , Nakashima, H. , Sakamoto, Y. , 1997

机译：由43和68-meV质子通过（sup 7）Li（p，n）反应产生的准单能中子的混凝土屏蔽传输的实验数据

Flux and dose transmission through concrete of neutrons from proton induced reactions on various target elements

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