Structure of high spin state in proton-rich 74,76,78 Kr isotopes: A projected shell model description

The N≈Z nuclei in the mass A∼80 region has been researched because of an abundance of nuclear structure phenomena. The projected shell model (PSM) was adopted to investigate the structure of high spin state in proton-rich 74,76,78Kr isotopes including yrast spectra, moment of inertia, electric quadrupole transitions and the behavior of single particle. The calculated results are in good agreement with available data and the shape coexistence in low-spin is also discussed.