Residual interactions and the K-mixing-induced fast decay of the three-quasiparticle isomer in 171 Tm
The anomalously fast decay of a 19/2 + three-quasiparticle isomer in 171Tm was interpreted recently as an example of K mixing induced by a very small mixing matrix element but a (random) close proximity to a collective state. To understand the source of the residual interaction we have generalized the projected shell model by introducing two-body octupole and hexadecupole forces into the Hamiltonian and expanding the model space with inclusion of specific three-quasiparticle configurations. It...[Show more]
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|Source:||Physical Review C: Nuclear Physics|
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