Tests of collectivity in Zr 98 by absolute transition rates

V. Karayonchev; J. Jolie; A. Blazhev; A. Dewald; A. Esmaylzadeh; C. Fransen; G. Häfner; L. Knafla; J. Litzinger; C. Muller-Gatermann; J. M. Regis; K. Schomacker; A. Vogt; N. Warr; A. Leviatan; N. Gavrielov

doi:10.1103/PhysRevC.102.064314

Tests of collectivity in Zr 98 by absolute transition rates

V. Karayonchev, J. Jolie, A. Blazhev, A. Dewald, A. Esmaylzadeh, C. Fransen, G. Häfner, L. Knafla, J. Litzinger, C. Muller-Gatermann, J. M. Regis, K. Schomacker, A. Vogt, N. Warr, A. Leviatan, N. Gavrielov

Racah Institute of Physics

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22 Scopus citations

Abstract

Lifetimes of low-spin excited states in Zr98 were measured using the recoil-distance Doppler-shift technique and the Doppler-shift attenuation method. The nucleus of interest was populated in a Zr96(O18,O16)Zr98 two-neutron transfer reaction at the Cologne FN Tandem accelerator. Lifetimes of six low-spin excited states, of which four are unknown, were measured. The deduced B(E2) values were compared with Monte Carlo shell model and interacting boson model with configuration mixing calculations. Both approaches reproduce well most of the data but leave challenging questions regarding the structure of some low-lying states.

Original language	English
Article number	064314
Journal	Physical Review C
Volume	102
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.102.064314
State	Published - 14 Dec 2020

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© 2020 American Physical Society.

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Karayonchev, V., Jolie, J., Blazhev, A., Dewald, A., Esmaylzadeh, A., Fransen, C., Häfner, G., Knafla, L., Litzinger, J., Muller-Gatermann, C., Regis, J. M., Schomacker, K., Vogt, A., Warr, N., Leviatan, A., & Gavrielov, N. (2020). Tests of collectivity in Zr 98 by absolute transition rates. Physical Review C, 102(6), Article 064314. https://doi.org/10.1103/PhysRevC.102.064314

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abstract = "Lifetimes of low-spin excited states in Zr98 were measured using the recoil-distance Doppler-shift technique and the Doppler-shift attenuation method. The nucleus of interest was populated in a Zr96(O18,O16)Zr98 two-neutron transfer reaction at the Cologne FN Tandem accelerator. Lifetimes of six low-spin excited states, of which four are unknown, were measured. The deduced B(E2) values were compared with Monte Carlo shell model and interacting boson model with configuration mixing calculations. Both approaches reproduce well most of the data but leave challenging questions regarding the structure of some low-lying states.",

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AU - Blazhev, A.

AU - Dewald, A.

AU - Esmaylzadeh, A.

AU - Fransen, C.

AU - Häfner, G.

AU - Knafla, L.

AU - Litzinger, J.

AU - Muller-Gatermann, C.

AU - Regis, J. M.

AU - Schomacker, K.

AU - Vogt, A.

AU - Warr, N.

AU - Leviatan, A.

AU - Gavrielov, N.

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AB - Lifetimes of low-spin excited states in Zr98 were measured using the recoil-distance Doppler-shift technique and the Doppler-shift attenuation method. The nucleus of interest was populated in a Zr96(O18,O16)Zr98 two-neutron transfer reaction at the Cologne FN Tandem accelerator. Lifetimes of six low-spin excited states, of which four are unknown, were measured. The deduced B(E2) values were compared with Monte Carlo shell model and interacting boson model with configuration mixing calculations. Both approaches reproduce well most of the data but leave challenging questions regarding the structure of some low-lying states.

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Tests of collectivity in Zr 98 by absolute transition rates

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