Nuclear deformation in the A ≈ 100 region: Comparison between new masses and 
mean-field predictions.

de Roubin, Antoine; Atanasov, Dinko; Blaum, Klaus; George, Sebastian; Herfurth, F.; Kisler, D.; Kowalska, M.; Kreim, Susanne Waltraud; Lunney, D.; Manea, Vladimir; Minaya Ramirez, Enrique; Mougeot, M.; Neidherr, D.; Rosenbusch, M.; Schweikhard, L.; Welker, A.; Wienholtz, F.; Wolf, Robert; Zuber, K.

doi:10.1103/PhysRevC.96.014310

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Nuclear deformation in the A ≈ 100 region: Comparison between new masses and mean-field predictions.

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de Roubin, Antoine
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
Centre d’Etudes Nucléaires de Bordeaux Gradignan, CNRS/IN2P3–Université de Bordeaux, F-33175 Gradignan Cedex, France;

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Atanasov, Dinko
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30312

Blaum, Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30508

George, Sebastian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons187875

Kisler, D.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30722

Kreim, Susanne Waltraud
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
CERN, CH-1211 Geneva, Switzerland;

/persons/resource/persons187877

Manea, Vladimir
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons130141

Minaya Ramirez, Enrique
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Wolf, Robert
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://link.aps.org/doi/10.1103/PhysRevC.96.014310
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Citation

de Roubin, A., Atanasov, D., Blaum, K., George, S., Herfurth, F., Kisler, D., et al. (2017). Nuclear deformation in the A ≈ 100 region: Comparison between new masses and mean-field predictions. Physical Review C, 96(01): 014310. doi:10.1103/PhysRevC.96.014310.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-A0F7-1

Abstract

An extension of the atomic mass surface in the region A≈100 was performed via measurements of the ^100−102Sr and ^100−102Rb masses with the ion-trap spectrometer ISOLTRAP at CERN-ISOLDE, including the first direct mass determination of ¹⁰²Sr and ^101,102Rb. These measurements confirm the continuation of the region of deformation with the increase of neutron number, at least as far as N=65. To interpret the deformation in the strontium isotopic chain and to determine whether an onset of deformation is present in heavier krypton isotopes, a comparison is made between the experimental values and mean-field and beyond mean-field results available in the literature. To complete this comparison Hartree-Fock-Bogoliubov calculations for even and odd isotopes were performed, illustrating the competition of nuclear shapes in the region.