New detector system to measure (n,γ) reaction cross section precisely in China

ZHONG Qi-Ping; ZHOU Zu-Ying; TANG Hong-Qing; CHEN Xiao-Liang; HE Guo-Zhu; ZHANG Qi-Wei; GUO Wei-Xin; YUAN Ji-Long; MA Xiao-Yun; WANG Qiang; RUAN Xi-Chao; LI Zhi-Hong

Chinese Physics C> 2008, Vol. 32> Issue(S2) : 102-105

New detector system to measure (n,γ) reaction cross section precisely in China

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Abstract：
Based on the urgent requirement of the (n,γ) reaction cross-section in the energy range of keV~MeV, 4π gamma total absorption facility (GTAF) is being constructed at China Institute of Atomic Energy (CIAE). In this paper, firstly the review of historic experimental facilities over the world is presented, and then measurement method of GTAF is described. Finally, the structure requirement for GTAF is presented. Neutron capture reactions are the key process of nucleosynthesis in astrophysics beyond iron element. The application of such facility will improve the experimental condition for the research of (n,γ) reaction.

References

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ZHONG Qi-Ping, ZHOU Zu-Ying, TANG Hong-Qing, CHEN Xiao-Liang, HE Guo-Zhu, ZHANG Qi-Wei, GUO Wei-Xin, YUAN Ji-Long, MA Xiao-Yun, WANG Qiang, RUAN Xi-Chao and LI Zhi-Hong. New detector system to measure (n,γ) reaction cross section precisely in China[J]. Chinese Physics C, 2008, 32(S2): 102-105.

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Received: 2008-07-17
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

New detector system to measure (n,γ) reaction cross section precisely in China

Corresponding author: ZHONG Qi-Ping,

Received Date: 2008-07-17
Accepted Date: 1900-01-01
Available Online: 2008-01-03

Abstract: Based on the urgent requirement of the (n,γ) reaction cross-section in the energy range of keV~MeV, 4π gamma total absorption facility (GTAF) is being constructed at China Institute of Atomic Energy (CIAE). In this paper, firstly the review of historic experimental facilities over the world is presented, and then measurement method of GTAF is described. Finally, the structure requirement for GTAF is presented. Neutron capture reactions are the key process of nucleosynthesis in astrophysics beyond iron element. The application of such facility will improve the experimental condition for the research of (n,γ) reaction.