Microscopic structure of the one-phonon 2+ states of 208Po

D. Kalaydjieva; D. Kocheva; G. Rainovski; V. Karayonchev; J. Jolie; N. Pietralla; M. Beckers; A. Blazhev; A. Dewald; M. Djongolov; A. Esmaylzadeh; C. Fransen; K. A. Gladnishki; A. Goldkuhle; C. Henrich; I. Homm; K. E. Ide; P. R. John; R. Kern; J. Kleemann; Th. Kröll; C. Müller-Gatermann; M. Scheck; P. Spagnoletti; M. Stoyanova; K. Stoychev; V. Werner; A. Yaneva; S. S. Dimitrova; G. De Gregorio; H. Naïdja; A. Gargano

doi:10.1103/PhysRevC.104.024311

Microscopic structure of the one-phonon 2⁺ states of ²⁰⁸Po

D. Kalaydjieva, D. Kocheva^*, G. Rainovski, V. Karayonchev, J. Jolie, N. Pietralla, M. Beckers, A. Blazhev, A. Dewald, M. Djongolov, A. Esmaylzadeh, C. Fransen, K. A. Gladnishki, A. Goldkuhle, C. Henrich, I. Homm, K. E. Ide, P. R. John, R. Kern, J. KleemannTh. Kröll, C. Müller-Gatermann, M. Scheck, P. Spagnoletti, M. Stoyanova, K. Stoychev, V. Werner, A. Yaneva, S. S. Dimitrova, G. De Gregorio, H. Naïdja, A. Gargano

^*Corresponding author for this work

School of Computing, Engineering and Physical Sciences

Research output: Contribution to journal › Article › peer-review

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Abstract

The lifetimes of the 2⁺₁and 4⁺₁ states of ²⁰⁸Po were measured in the α -transfer reaction ²⁰⁴Pb (¹²C , ⁸Be ) ²⁰⁸Po by γ -ray spectroscopy utilizing the recoil distance Doppler shift method. The newly extracted transition strengths alongside ones of the decay of the 2⁺₂ state were compared to the results of large-scale shell-model calculations using an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. The comparison indicates the importance of the quadrupole isovector excitations in the valence shell for a fine tuning of the two-body matrix elements of the shell-model interaction.

Original language	English
Article number	024311
Number of pages	10
Journal	Physical Review C
Volume	104
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.104.024311
Publication status	Published - 6 Aug 2021

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2021 07 15 Kalaydjieva et al Microscopic acceptedAccepted author manuscript, 530 KB

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Kalaydjieva, D., Kocheva, D., Rainovski, G., Karayonchev, V., Jolie, J., Pietralla, N., Beckers, M., Blazhev, A., Dewald, A., Djongolov, M., Esmaylzadeh, A., Fransen, C., Gladnishki, K. A., Goldkuhle, A., Henrich, C., Homm, I., Ide, K. E., John, P. R., Kern, R., ... Gargano, A. (2021). Microscopic structure of the one-phonon 2⁺ states of ²⁰⁸Po. Physical Review C, 104(2), Article 024311. https://doi.org/10.1103/PhysRevC.104.024311

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title = "Microscopic structure of the one-phonon 2+ states of 208Po",

abstract = "The lifetimes of the 2+1and 4+1 states of 208Po were measured in the α -transfer reaction 204Pb (12C , 8Be ) 208Po by γ -ray spectroscopy utilizing the recoil distance Doppler shift method. The newly extracted transition strengths alongside ones of the decay of the 2+2 state were compared to the results of large-scale shell-model calculations using an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. The comparison indicates the importance of the quadrupole isovector excitations in the valence shell for a fine tuning of the two-body matrix elements of the shell-model interaction.",

author = "D. Kalaydjieva and D. Kocheva and G. Rainovski and V. Karayonchev and J. Jolie and N. Pietralla and M. Beckers and A. Blazhev and A. Dewald and M. Djongolov and A. Esmaylzadeh and C. Fransen and Gladnishki, {K. A.} and A. Goldkuhle and C. Henrich and I. Homm and Ide, {K. E.} and John, {P. R.} and R. Kern and J. Kleemann and Th. Kr{\"o}ll and C. M{\"u}ller-Gatermann and M. Scheck and P. Spagnoletti and M. Stoyanova and K. Stoychev and V. Werner and A. Yaneva and Dimitrova, {S. S.} and {De Gregorio}, G. and H. Na{\"i}dja and A. Gargano",

year = "2021",

month = aug,

day = "6",

doi = "10.1103/PhysRevC.104.024311",

language = "English",

volume = "104",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

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Kalaydjieva, D, Kocheva, D, Rainovski, G, Karayonchev, V, Jolie, J, Pietralla, N, Beckers, M, Blazhev, A, Dewald, A, Djongolov, M, Esmaylzadeh, A, Fransen, C, Gladnishki, KA, Goldkuhle, A, Henrich, C, Homm, I, Ide, KE, John, PR, Kern, R, Kleemann, J, Kröll, T, Müller-Gatermann, C, Scheck, M, Spagnoletti, P, Stoyanova, M, Stoychev, K, Werner, V, Yaneva, A, Dimitrova, SS, De Gregorio, G, Naïdja, H & Gargano, A 2021, 'Microscopic structure of the one-phonon 2⁺ states of ²⁰⁸Po', Physical Review C, vol. 104, no. 2, 024311. https://doi.org/10.1103/PhysRevC.104.024311

TY - JOUR

T1 - Microscopic structure of the one-phonon 2+ states of 208Po

AU - Kalaydjieva, D.

AU - Kocheva, D.

AU - Rainovski, G.

AU - Karayonchev, V.

AU - Jolie, J.

AU - Pietralla, N.

AU - Beckers, M.

AU - Blazhev, A.

AU - Dewald, A.

AU - Djongolov, M.

AU - Esmaylzadeh, A.

AU - Fransen, C.

AU - Gladnishki, K. A.

AU - Goldkuhle, A.

AU - Henrich, C.

AU - Homm, I.

AU - Ide, K. E.

AU - John, P. R.

AU - Kern, R.

AU - Kleemann, J.

AU - Kröll, Th.

AU - Müller-Gatermann, C.

AU - Scheck, M.

AU - Spagnoletti, P.

AU - Stoyanova, M.

AU - Stoychev, K.

AU - Werner, V.

AU - Yaneva, A.

AU - Dimitrova, S. S.

AU - De Gregorio, G.

AU - Naïdja, H.

AU - Gargano, A.

PY - 2021/8/6

Y1 - 2021/8/6

N2 - The lifetimes of the 2+1and 4+1 states of 208Po were measured in the α -transfer reaction 204Pb (12C , 8Be ) 208Po by γ -ray spectroscopy utilizing the recoil distance Doppler shift method. The newly extracted transition strengths alongside ones of the decay of the 2+2 state were compared to the results of large-scale shell-model calculations using an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. The comparison indicates the importance of the quadrupole isovector excitations in the valence shell for a fine tuning of the two-body matrix elements of the shell-model interaction.

AB - The lifetimes of the 2+1and 4+1 states of 208Po were measured in the α -transfer reaction 204Pb (12C , 8Be ) 208Po by γ -ray spectroscopy utilizing the recoil distance Doppler shift method. The newly extracted transition strengths alongside ones of the decay of the 2+2 state were compared to the results of large-scale shell-model calculations using an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. The comparison indicates the importance of the quadrupole isovector excitations in the valence shell for a fine tuning of the two-body matrix elements of the shell-model interaction.

U2 - 10.1103/PhysRevC.104.024311

DO - 10.1103/PhysRevC.104.024311

M3 - Article

SN - 2469-9985

VL - 104

JO - Physical Review C

JF - Physical Review C

IS - 2

M1 - 024311

ER -

Microscopic structure of the one-phonon 2+ states of 208Po

Abstract

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Microscopic structure of the one-phonon 2⁺ states of ²⁰⁸Po