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Study the structure of the low-lying states of ²⁰⁶ Po

https://doi.org/10.1088/1402-4896/ad4521

Kocheva, D; Rainovski, G; Jolie, J; Beckers, M; Blazhev, A; Esmaylzadeh, A; Fransen, C; Gladnishki, K A; Pietralla, N; Scheck, M; et al (May 2024, Physica Scripta)

Abstract The nucleus²⁰⁶Po was studied in the two proton transfer reaction²⁰⁴Pb(¹⁶O,¹⁴C)²⁰⁶Po and the lifetime of the first excited 2⁺state was determined by utilizing the Recoil Distance Doppler Shift method. The experimental results are compared with shell-model calculations based on different effective interactions. The calculations qualitatively reproduced the experimentally observed $B (E 2; 2_{1}^{+} \to 0_{1}^{+})$ value, suggesting that the $2_{1}^{+}$ state of²⁰⁶Po exhibits a collective nature. However, the employed effective interactions revealed some limitations, particularly in their description of the $4_{1, 2}^{+}$ states. These results emphasize the importance of understanding the properties of low-lying states, especially their evolution from single-particle dynamics to collective modes, in evaluating various effective nuclear interactions.
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Suppressed electric quadrupole collectivity in 49Ti

https://doi.org/10.1016/j.physletb.2024.138856

Gray, TJ; Allmond, JM; Benetti, C; Wibisono, C; Baby, L; Gargano, A; Miyagi, T; Macchiavelli, AO; Stuchbery, AE; Wood, JL; et al (August 2024, Physics Letters B)

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Universal Effective Charges in the $s d$ and $f p$ Shells

https://doi.org/10.1103/75ry-71sj

Ogunbeku, T. H.; Allmond, J. M.; Gray, T. J.; Ong, W-J; Brown, B. A.; Gargano, A.; Grzywacz, R.; Holt, J. D.; Macchiavelli, A. O.; Miyagi, T.; et al (August 2025, Physical Review Letters)
Observation of a $μ s$ isomer in ${}_{49}^{134}{In}_{85}$ : Proton-neutron coupling “southeast” of ${}_{50}^{132}{Sn}_{82}$

https://doi.org/10.1103/PhysRevC.100.011302

Phong, V. H.; Lorusso, G.; Davinson, T.; Estrade, A.; Hall, O.; Liu, J.; Matsui, K.; Montes, F.; Nishimura, S.; Boso, A.; et al (July 2019, Physical Review C)

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