Neutron fluence rate measurement using prompt gamma rays

被引：1

作者：

Vega-Carrillo, H. R. ^{[1
,2
]}

Manzanares-Acuna, E. ^{[1
]}

Hernandez-Davila, V. M. ^{[1
,2
]}

Chacon-Ruiz, A. ^{[1
,2
]}

Gallego, E. ^{[3
]}

Lorente, A. ^{[3
]}

机构：

[1] Univ Autonoma Zacatecas, Unidad Acad Estudios Nucl, Zacatecas 98000, Zac, Mexico

[2] Univ Autonoma Zacatecas, Unidad Acad Ingn Elect, Zacatecas 98000, Zac, Mexico

[3] Univ Politecn Madrid, Dept Ingn Nucl, E-28006 Madrid, Spain

来源：

RADIATION PROTECTION DOSIMETRY | 2007年 / 126卷 / 1-4期

关键词：

D O I：

10.1093/rpd/ncm055

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A gamma ray spectrometer, with a 3 '' empty set X 3 '' NaI(T1) detector, with a moderator sphere has been utilised to measure the neutron fluence rate, with this value the H*(10) was estimated. When a neutron is captured by the hydrogen-based moderator, a 2.22 MeV prompt gamma ray is produced. In a multichannel analyser the net area under the 2.22 MeV photopeak is proportional to the total neutron fluence rate. The features of this system were determined by a Monte Carlo study that includes 3-, 5- and 10-inches diameter, water and polyethylene moderators and a Pu-239-Be source. The prompt gamma response was extended to monoenergetic neutron sources. To verify the response, a Pu-239-Be source in combination with a 10 '' polyethylene sphere having a gamma-ray spectrometer with NaI(T1) was utilised to estimate the neutron fluence rate and the H*(10). These results were compared with neutron fluence rate and H*(10) obtained using a Bonner sphere spectrometer and with the H*(10) measured using a neutron remmeter.

引用

页码：265 / 268

页数：4

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