【摘 要】
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The lifetimes of excited states in the yrast band of 176Os have been measured up to I = 20 level using the Doppler shift attenuation method. The high-spin state
【机 构】
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China Institute of Atomic Energy,Faculty of Science, ShenZhen University,Department of Physics, Jili
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The lifetimes of excited states in the yrast band of 176Os have been measured up to I = 20 level using the Doppler shift attenuation method. The high-spin states of 176Os were populated via fusion evaporation reaction 152Sm(28Si,4n)176Os at a beam energy of 140 MeV. The results support an X(5) structure for 176Os at low spin. This structure disappears at high spin and shows a symmetry rotor character. The shape change of 176Os is similar to that of 178Os.
The high-spin states of 176Os were populated via a fusion evaporation reaction 152Sm (28Si, 4n) 176Os at a beam energy of 140 MeV. The results support an X (5) structure for 176Os at low spin. This structure disappears at high spin and shows a symmetry rotor character. The shape change of 176Os is similar to that of 178Os.
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