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Orbital and spin scissors modes in superfluid nuclei

Abstract : Nuclear scissors modes are considered in the frame of 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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Contributor : Sophie Heurteau <>
Submitted on : Wednesday, May 27, 2015 - 5:43:44 PM
Last modification on : Tuesday, July 27, 2021 - 10:52:02 AM

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E. B. Balbutsev, I. V. Molodtsova, P. Schuck. Orbital and spin scissors modes in superfluid nuclei. Physical Review C, American Physical Society, 2015, 91 (6), pp.064312. ⟨10.1103/PhysRevC.91.064312⟩. ⟨in2p3-01157223⟩



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