Measurement of the neutron spectrum by the multi-sphere method using a BF3 counter

Khabaz Rahim; Hakimabad Miri Hashem

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Measurement of the neutron spectrum by the multi-sphere method using a BF3 counter

机译：使用BF3计数器通过多球法测量中子光谱

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The multi-sphere method, a neutron detection technique, has been improved with a BF3 long cylindrical counter as a thermal detector located in the center of seven spheres with a diameter range of 3.5 to 12 inches. Energy response functions of the system have been determined by applying the MCNP4C Monte Carlo code of 10-8 MeV to 18 MeV. A new shadow cone has been designed to account for scattered neutrons. Although the newly designed shadow cone is smaller in length, its attenuation coefficient has been improved. To evaluate the system, the neutron spectrum of a 241AM-Be source has been measured.

机译：多球方法（一种中子检测技术）已通过将BF3长圆柱计数器作为热探测器进行了改进，该计数器位于直径范围为3.5到12英寸的七个球的中心。系统的能量响应功能已通过将10-8 MeV的MCNP4C蒙特卡洛代码应用于18 MeV来确定。设计了一个新的阴影锥，以解释散射中子。尽管新设计的阴影锥长度较小，但其衰减系数得到了改善。为了评估该系统，已经测量了241AM-Be源的中子光谱。

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《Nuclear technology & radiation protection》 |2011年第2期|共7页
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Khabaz Rahim; Hakimabad Miri Hashem;
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1. MEASUREMENT OF THE NEUTRON SPECTRUM BY THE MULTI-SPHERE METHOD USING A BF_3 COUNTER [J] . Rahim KHABAZ, Hashem MIRIHAKIMABAD Nuclear technology & radiation protection . 2011,第2期

机译：用BF_3计数器通过多球法测量中子谱
2. Study on iterative regularization method and application to neutron spectrum unfolding of multi-sphere spectrometer measurement [J] . Bin Liu, Huanwen Lv, Lan Li, Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment . 2021,第Mara11期

机译：迭代正则化方法及应用于多球谱仪测量中子谱展开的研究
3. On the optimization of the isotopic neutron source method for measuring the thermal neutron absorption cross section: Advantages and disadvantages of BF3 and He-3 counters [J] . Bolewski A, Ciechanowski M, Dydejczyk A, Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine . 2008,第4期

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4. High-Pressure Ionization Chamber Filled with BF3 Operating as a Neutron Counter [C] . Zielczynski, M., Golnik, . 2006

机译：充满BF3的高压电离室，用作中子计数器
5. The effect of high dose rate on tissue equivalent proportional counter measurements in mixed neutron-gamma fields. [D] . Qashua, Nael. 2010

机译：高剂量率对混合中子-伽马场中组织当量比例计数器测量的影响。
6. Broad Energy Range Neutron Spectroscopy using a Liquid Scintillator and a Proportional Counter: Application to a Neutron Spectrum Similar to that from an Improvised Nuclear Device [O] . Yanping Xu, Gerhard Randers-Pehrson, Stephen A. Marino, -1

机译：使用液体闪烁器和比例计数器的宽能范围中子光谱学：类似于从即兴核装置得到的中子谱的应用
7. Measurement of the neutron spectrum by the multi-sphere method using a BF3 counter [O] . Khabaz Rahim, Hakimabad Miri Hashem 2011

机译：使用BF3计数器通过多球方法测量中子能谱
8. Neutron Spectrum Measurements Using Proton Recoil Proportional Counters: Results of Measurements of Leakage Spectra for the Little Boy Assembly [R] . Bennett, E. F., Yule, T. J. 1984

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Measurement of the neutron spectrum by the multi-sphere method using a BF3 counter

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