β-Delayed Proton Decay of 93Pd

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WANG Xu-Dong, XU Shu-Wei, LI Zhan-Kui, XIE Yuan-Xiang, WU Zhe-Ying, XU Fu-Rong, GUO Bin, LENG Chang-Geng, WANG Chun-Fang and YU Yong. β-Delayed Proton Decay of 93Pd[J]. Chinese Physics C, 2003, 27(4): 309-312.
WANG Xu-Dong, XU Shu-Wei, LI Zhan-Kui, XIE Yuan-Xiang, WU Zhe-Ying, XU Fu-Rong, GUO Bin, LENG Chang-Geng, WANG Chun-Fang and YU Yong. β-Delayed Proton Decay of 93Pd[J]. Chinese Physics C, 2003, 27(4): 309-312. shu
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Received: 2002-05-15
Revised: 1900-01-01
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β-Delayed Proton Decay of 93Pd

    Corresponding author: WANG Xu-Dong,
  • Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Department of Technical Physics, Peking University, Beijing 100871, China

Abstract: The β-‘waiting point’nucleus 93Pd has been produced via 58Ni(40Ca,3n2p) reaction. A helium-jet fast tape transport system was used in combination with p-γ coincidence measurement to identify the β-delayed proton precursor 93 Pd, whose half-life has been measured to be 1.3±0.2s. The measured energy spectrum of β-delayed protons and relative branching ratios to the final states in the daughter nucleus 92Ru are fitted by a revised statistic model calculation, and then the ground state spin of 93Pd are assigned to be 9/2. Meanwhile, a nuclear energy-potential-surface (EPS) calculation is performed by using the Woods-Saxon Strutinsky method. The calculated result supports the ground state spin and parity of 9/2+ assignment.

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