New positive-parity states and the shell-model description of 111Sn
作者： H. Prade , W. Enghardt , W.D. Fromm , H.U. Jäger , L. Käubler
DOI: 10.1016/0375-9474(84)90078-2
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摘要: Abstract The excited states in 111Sn have been studied by means of three different reactions using inbeam spectroscopic methods. Energies and intensities γ-rays determined via the (α, n), (3He, 3n) (6Li, 4n) reactions. Coincidences, angular time distributions measured n) Conversion-electron spectra recorded reaction. As a result, 9 levels even parity identified with spin values between 2 ( 17 ) excitation energies up to 2.5 MeV, additional odd-parity established Ex 11 − isomer, further ns lifetimes were found. experimental data are compared shell-model predictions. hamiltonian parameters fit 22 known 111,112,113Sn. In case even-parity remarkable agreement experiment theory can be stated. For description particle-core-coupling model is succesfully applied.
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