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Examining the nuclear mass surface of Rb and Sr isotopes in the A≈104 region via precision mass measurements

Background: The neutron-rich A≈100, N≈62 mass region is important for both nuclear structure and nuclear astrophysics. The neutron-rich segment of this region has been widely studied to investigate shape coexistence and sudden nuclear deformation. However, the absence of experimental data of more ne...

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Main Authors: Mukul, Ish (Author) , Andreoiu, C. (Author) , Bergmann, J. (Author) , Brodeur, M. (Author) , Brunner, T. (Author) , Dietrich, K. A. (Author) , Dickel, T. (Author) , Dillmann, I. (Author) , Dunling, E. (Author) , Fusco, D. (Author) , Gwinner, G. (Author) , Izzo, C. (Author) , Jacobs, A. (Author) , Kootte, B. (Author) , Lan, Y. (Author) , Leistenschneider, E. (Author) , Lykiardopoulou, E. M. (Author) , Paul, Stefan Felix (Author) , Reiter, M. P. (Author) , Tracy, J. L. (Author) , Dilling, J. (Author) , Kwiatkowski, A. A. (Author)
Format: Article (Journal)
Language:English
Published: 28 April 2021
In: Physical review
Year: 2021, Volume: 103, Issue: 4, Pages: 1-11
ISSN:2469-9993
DOI:10.1103/PhysRevC.103.044320
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevC.103.044320
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.103.044320
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Author Notes:I. Mukul, C. Andreoiu, J. Bergmann, M. Brodeur, T. Brunner, K.A. Dietrich, T. Dickel, I. Dillmann, E. Dunling, D. Fusco, G. Gwinner, C. Izzo, A. Jacobs, B. Kootte, Y. Lan, E. Leistenschneider, E.M. Lykiardopoulou, S.F. Paul, M.P. Reiter, J.L. Tracy, J. Dilling, and A.A. Kwiatkowski
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Summary:Background: The neutron-rich A≈100, N≈62 mass region is important for both nuclear structure and nuclear astrophysics. The neutron-rich segment of this region has been widely studied to investigate shape coexistence and sudden nuclear deformation. However, the absence of experimental data of more neutron-rich nuclei poses a challenge to further structure studies. The derivatives of the mass surface, namely, the two-neutron separation energy and neutron pairing gap, are sensitive to nuclear deformation and shed light on the stability against deformation in this region. This region also lies along the astrophysical r-process path, and hence precise mass values provide experimental input for improving the accuracy of the r-process models and the elemental abundances.
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Gesehen am 29.07.2021
Physical Description:Online Resource
ISSN:2469-9993
DOI:10.1103/PhysRevC.103.044320

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