The Doppler-shift attenuation method following inelastic neutron scattering was used to determine the lifetimes of nuclear levels to 3.3-MeV excitation in 124Te. Level energies and spins, γ-ray energies and branching ratios, and multipole-mixing ratios were deduced from measured γ-ray angular distributions at incident neutron energies of 2.40 and 3.30 MeV, γ-ray excitation functions, and γγ coincidence measurements. The newly obtained reduced transition probabilities and level energies for 124Te were compared to critical-point symmetry model predictions. The E(5) and β4 potential critical-point symmetries were also investigated in 122Te and 126Te.
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Support of this project by the Department of Energy through NNSA/SSAA Grant No. DE-NA0002931 and the National Science Foundation through Grants No. PHY-9600431, No. PHY-9626846, and No. PHY-1606890 is gratefully acknowledged.
Hicks, S. F.; Vanhoy, J. R.; Burkett, P. G.; Champine, B. R.; Etzkorn, S. J.; Garrett, P. E.; Yates, Steven W.; and Yeh, Minfang, "Lifetimes in 124Te: Examining Critical-Point Symmetry in the Te Nuclei" (2017). Physics and Astronomy Faculty Publications. 543.