Study of shell evolution and shape coexistence in neutron rich krypton isotopes

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We will investigate the evolution of deformation and shape coexistence in the neutron rich isotopes 93Kr, 94Kr, 95Kr and 96Kr using data on nucleon knockout and inelastic proton scattering of a liquid hydrogen target system combined with in-beam gamma spectroscopy. For the odd-neutron nucleus 95Kr the combination with high resolution gamma spectroscopy of the stopped reaction ejectiles will provide the unique possibility to explore the single particle structure on top of previously identified isomeric states. Additional experiments using low-energy Coulomb excitation of radioactive krypton ion beams in inverse kinematics will also be pursued in order to gain complementary nuclear structure information such as transitional and diagonal matrix elements.