Side-feeding times and level lifetimes measured in the reaction 54Fe(32S, 3p)83Y
作者： F. Cristancho , K.P. Lieb , J. Heese , C.J. Gross , W. Fieber
DOI: 10.1016/0375-9474(89)90568-X
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摘要: Abstract We have performed recoil-distance and Doppler-shift-attenuation lifetime measurements in the reaction 54Fe(32S, 3p)83Y at 103–107 MeV beam energy. By analyzing Doppler-broadened line shapes of 964 keV 21 2 + → 17 yrast transition coincidence with feeding depopulating transitions, average side-feeding time this state been deduced as τF = 0.6(2) ps τ 0.62(10) ps, respectively. A similar analysis 811 13 gave values 0.65(25) 1.5(2) respectively for state. Feeding times higher transitions positive-parity band estimated from their Dopplerbroadened lineshapes measured only. The are compared results Monte Carlo calculations development continuum γ-ray flux, a damping width 2–3 has deduced. level lifetimes support regular structures deformation β2 0.33 previously inferred energies.
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