%0 Journal Article %1 PhysRevC.103.044309 %A Karayonchev, V. %A Stoyanova, M. %A Rainovski, G. %A Jolie, J. %A Blazhev, A. %A Djongolov, M. %A Esmaylzadeh, A. %A Fransen, C. %A Gladnishki, K. %A Knafla, L. %A Kocheva, D. %A Kornwebel, L. %A Régis, J.-M. %A De Gregorio, G. %A Gargano, A. %D 2021 %I American Physical Society %J Phys. Rev. C %K jolie myown %N 4 %P 044309 %R 10.1103/PhysRevC.103.044309 %T Lifetimes and structures of low-lying negative-parity states of 209Po %U https://link.aps.org/doi/10.1103/PhysRevC.103.044309 %V 103 %X The 5/2−1, 9/2−1, and 11/2−1 states in 209Po were populated in the β decay of 209At and their lifetimes measured using the electronic γ−γ fast timing technique. The lifetime of the 9/2−1 state is measured for first time. The lifetime of the 5/2−1 is measured to be shorter than the value adopted in the literature while the lifetime of the 11/2−1 state agrees well with the previous measurement. In order to get deeper insight into the structure of the states, a shell-model calculation was carried out adopting a microscopic effective interaction derived from the realistic CD-Bonn potential. The comparison between theoretical and experimental data for the low-lying negative-parity states of 209Po supports the reliability of the predicted wave functions, which are found to be dominated by the coupling of a neutron hole to the yrast states of 210Po. However, it also points to the important role played by minor wave-function components in describing the reduced electromagnetic strengths, suggesting the need of additional configuration mixing for achieving a better quantitative agreement.

@article{PhysRevC.103.044309, abstract = {The 5/2−1, 9/2−1, and 11/2−1 states in 209Po were populated in the β decay of 209At and their lifetimes measured using the electronic γ−γ fast timing technique. The lifetime of the 9/2−1 state is measured for first time. The lifetime of the 5/2−1 is measured to be shorter than the value adopted in the literature while the lifetime of the 11/2−1 state agrees well with the previous measurement. In order to get deeper insight into the structure of the states, a shell-model calculation was carried out adopting a microscopic effective interaction derived from the realistic CD-Bonn potential. The comparison between theoretical and experimental data for the low-lying negative-parity states of 209Po supports the reliability of the predicted wave functions, which are found to be dominated by the coupling of a neutron hole to the yrast states of 210Po. However, it also points to the important role played by minor wave-function components in describing the reduced electromagnetic strengths, suggesting the need of additional configuration mixing for achieving a better quantitative agreement.}, added-at = {2023-04-13T21:14:07.000+0200}, author = {Karayonchev, V. and Stoyanova, M. and Rainovski, G. and Jolie, J. and Blazhev, A. and Djongolov, M. and Esmaylzadeh, A. and Fransen, C. and Gladnishki, K. and Knafla, L. and Kocheva, D. and Kornwebel, L. and Régis, J.-M. and De Gregorio, G. and Gargano, A.}, biburl = {https://www.bibsonomy.org/bibtex/2e7ee18750d4ffb6bedde237f4a2b1d54/ikpcologne}, description = {Phys. Rev. C 103, 044309 (2021) - Lifetimes and structures of low-lying negative-parity states of 209Po}, doi = {10.1103/PhysRevC.103.044309}, interhash = {9bc5f2c7a6dcb6fb9ba2171f55838d74}, intrahash = {e7ee18750d4ffb6bedde237f4a2b1d54}, journal = {Phys. Rev. C}, keywords = {jolie myown}, month = apr, number = 4, numpages = {9}, pages = 044309, publisher = {American Physical Society}, timestamp = {2023-04-14T12:34:48.000+0200}, title = {Lifetimes and structures of low-lying negative-parity states of 209Po}, url = {https://link.aps.org/doi/10.1103/PhysRevC.103.044309}, volume = 103, year = 2021 }