The level structure of78Br

Abstract
The level structure of 78Br has been investigated through the 75As( alpha ,n gamma ), 77Se(3He,d) and 79Br(p,d) reactions. The charged-particle reactions provided the energies of 49 levels ranging up to 2.2 MeV, and l values and spectroscopic strengths were determined for the angular distributions from neutron and proton transfer reactions to most of the states. Energies of 150 gamma rays from 78Br were determined from singles measurements. Gamma-gamma coincidences were observed and half-lives were determined for several gamma transitions. Data from nearby nuclei were compared with the present data in order to test the validity of a weak-coupling model for 78Br.

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