Sidebands in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Ra</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>219</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>
TL;DRAbstract
Excited states in $^{219}\mathrm{Ra}$ were studied by means of the $^{208}\mathrm{Pb}$${(}^{14}$C, 3n) reaction at 65 MeV. The investigation was made with 12 Compton-suppressed Ge detectors and a multicounter array. Transitions in $^{219}\mathrm{Ra}$ were selected by requiring appropriate conditions on fold and sum energy. The proposed level scheme shows two sidebands with alternating parity structure decaying to the ground-state band. It is consistent with a recent description of $^{219}\mathrm{Ra}$ in the framework of the reflection-asymmetric mean-field approach, which predicts a K=1/2 ground-state band and two low-lying bands with quantum numbers K=3/2 and K=5/2.
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Excited states in $^{219}\mathrm{Ra}$ were studied by means of the $^{208}\mathrm{Pb}$${(}^{14}$C, 3n) reaction at 65 MeV. The investigation was made with 12 Compton-suppressed Ge detectors and a multicounter array. Transitions in $^{219}\mathrm{Ra}$ were selected by requiring appropriate conditions on fold and sum energy. The proposed level scheme shows two sidebands with alternating parity structure decaying to the ground-state band. It is consistent with a recent description of $^{219}\mathrm{Ra}$ in the framework of the reflection-asymmetric mean-field approach, which predicts a K=1/2 ground-state band and two low-lying bands with quantum numbers K=3/2 and K=5/2.
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