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Abstract:
New heavy neutron-rich isotope 175Er was synthesized for the first time in the 176Yb (n,2p) 175Er reaction by 14 MeV neutron irradiation of natural metal ytterbium.The activity of 175Er was observed using γ(X) spectroscopic method. The 8 new γ rays of 76.5,120.9,123.7,128.5,227.3,234.0,281.4,1167.5 keV with half-life of 1.2±0.3min was found and assigned to the 175Er decay. A partial decay scheme of 175Er was proposed.
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