Quasideuteron states with deformed core

Details Quasideuteron states with deformed core Quasideuteron states with deformed core

2001-04-25

arxiv.org/abs/nucl-th/0104076v2

Phys.Lett. B512 (2001) 290-296

Physics

Nuclear Physics

Nuclear Theory

11 pages, 1 figure, LaTex

Scientific paper

10.1016/S0370-2693(01)00685-2

The M1 transitions between low-lying T=1 and T=0 states in deformed odd-odd N=Z nuclei are analyzed in the frames of the rotor-plus-particle model. Using the representation of an explicit coupling of angular momenta we show that strong coupling of the quasideuteron configurations to the axially deformed core results in a distribution of the total 0+ --> 1+ strength among a few low-lying 1+ states. Simple analytical formulae for B(M1) values are derived. The realization of the M1 sum rule for the low-lying 1+,T=0 states is indicated. The calculated B(M1) values are found to be in good agreement with experimental data and reveal specific features of collectivity in odd-odd N=Z nuclei.

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