https://doi.org/10.1051/epjconf/201610705007
Nuclear orbital and spin scissors with pairing
Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia
a e-mail: balbuts@theor.jinr.ru
Published online: 19 January 2016
Nuclear scissors modes are considered in the frame of the Wigner function moments method generalized to take into account spin degrees of freedom and pair correlations simultaneously. A new source of nuclear magnetism, connected with counter-rotation of spins up and down around the symmetry axis (hidden angular momenta), is discovered. Its inclusion into the theory allows one to improve substantially the agreement with experimental data in the description of energies and transition probabilities of scissors modes in rare earth nuclei.
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