Magnetic rotation in the Sn-105 nucleus
The structure of Sn-105 has been investigated through the Cr-50(Ni-58,2pn) reaction at a beam energy of 210 MeV. In addition to an extension of the spherical level scheme a regular sequence of dipole transitions has been found. The states of the dipole band are suggested to be built on a neutron hf(11/2)(2) excitation coupled to proton particle-hole states, which polarize the core to a slightly pr