Measurement of Cross Sections for the 10B(n,α)'7Li Reaction at 4.0 and 5.0 MeV Using an Asymmetrical Twin Gridded Ionization Chamber

ZHANG Guo-Hui; LIU Xiang; LIU Jia-Ming; XUE Zhi-Hua; WU Hao; CHEN Jin-Xiang

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Measurement of Cross Sections for the 10B(n,α)'7Li Reaction at 4.0 and 5.0 MeV Using an Asymmetrical Twin Gridded Ionization Chamber

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@@ Cross sections of the 10B(n, α) 7Li reaction (including the total, the "leaking" alpha, forward alpha and backward alpha parts) at En＝4.0 and 5.OMcV were measured using an asymmetrical twin gridded ionization chamber and two back-to-back 10B samples.Measurements were performed at the 4.5MV Van de Graaff accelerator of Peking University.Monoenergetic neutrons were produced through the 2H(d, n)3 He reaction with a deuterium gas target.Absolute neutron flux was determined by a 238 U sample set inside the gridded ionization chamber and a BF3 long counter was employed as a neutron flux monitor and for normalization.The present results are compared with previous measurements and evaluations.

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《中国物理快报：英文版》 |2011年第8期|61-64|共4页
作者
ZHANG Guo-Hui; LIU Xiang; LIU Jia-Ming; XUE Zhi-Hua; WU Hao; CHEN Jin-Xiang;
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State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics,Peking University, Beijing 100871;

State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics,Peking University, Beijing 100871;

State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics,Peking University, Beijing 100871;

State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics,Peking University, Beijing 100871;

State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics,Peking University, Beijing 100871;

State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics,Peking University, Beijing 100871;

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Measurement of Cross Sections for the 10B(n,α)'7Li Reaction at 4.0 and 5.0 MeV Using an Asymmetrical Twin Gridded Ionization Chamber

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