Springer Online Journal Archives 1860-2000
Abstract 77Br has been investigated by the reaction64Ni(16O,p2nγ) at 60 MeV. The following mean lives (in parentheses) have been determined by the recoil distance Doppler shift method (energies in keV): 161.9 (718±50 ps), 575.2 (14.2±2.1 ps), 639.0 (14.1±0.8 ps), 782.0 (4.3±0.9 ps), 790.1 (6.2±0.8 ps), 1,273.2 (4.0±1.0 ps), 1,303.0 (4.0±1 ps), 1,480.8 (0.6 ±0.2 ps). The resultingB(E2) values are compared with rotor plus particle calculations. Nuclear reaction64Ni(16O,p2nγ)E 0=60 MeV; measuredE γ, recoil distance Doppler shift; deducedT 1/2. Enriched target, Ge(Li).
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