Chinese Physics C > 2008, Vol. 32 > Issue(S2): 41-43

β-delayed neutron decay of²¹N

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The β-delayed neutron and γ spectra of neutron-rich nucleus²¹N using β-γ and β-n coincidence measurements were presented in this paper. Thirteen new neutron groups ranging from 0.28 MeV to 4.98 MeV and with a total branching ratio 88.7±4.2% were observed. One γ transition among the excited states of²¹O, and four γ transitions among the excited states of²⁰O were identified in the β decay chain of²¹N. The ungated half-life of 83.8±2.1 ms was also determined for²¹N.

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LOU Jian-Ling, LI Zhi-Huan, YE Yan-Lin, JIANG Dong-Xing, HUA Hui, LI Xiang-Qing, ZHANG Shuang-Quan, ZHENG Tao, GE Yu-Cheng, KONG Zan, LI Chen, LU Fei, FAN Feng-Ying, LI Zhong-Yu, CAO Zhong-Xin, MA Li-Ying, XU Hu-Shan, HU Zheng-Guo, WANG Meng, LEI Xiang-Guo, DUAN Li-Min, XIAO Zhi-Gang, HUANG Tian-Heng, FU Fen, ZHANG Xue-Heng, ZHENG Chuan, YU Yu-Hong, TU Xiao-Lin, ZHANG Ya-Peng, YANG Yan-Yun, ZHANG Hong-Bin, TANG Bin, TIAN Yu-Lin, OUYANG Zhen, HUANG Mei-Rong, XU Zhi-Guo, YUE Ke, GAO Qi and β-delayed neutron decay of ²¹N[J]. Chinese Physics C, 2008, 32(S2): 41-43.

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Received: 2008-07-16
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

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β-delayed neutron decay of²¹N

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