Studying shape phase transition in even-proton nuclei via mass measurements

A. Spătaru; G. Kripko-Koncz; D. Amanbayev; S. Ayet San Andrés; D. L. Balabanski; S. Beck; J. Bergmann; P. Constantin; T. Dickel; H. Geissel; C. Hornung; N. Kalantar-Nayestanaki; I. Mardor; N. Minkov; A. Mollaebrahimi; W. R. Plaß; C. Scheidenberger; M. Wasserheß; J. Zhao

doi:10.1088/1402-4896/ad4fe8

Studying shape phase transition in even-proton nuclei via mass measurements

A. Spătaru^*, G. Kripko-Koncz, D. Amanbayev, S. Ayet San Andrés, D. L. Balabanski, S. Beck, J. Bergmann, P. Constantin, T. Dickel, H. Geissel, C. Hornung, N. Kalantar-Nayestanaki, I. Mardor, N. Minkov, A. Mollaebrahimi, W. R. Plaß, C. Scheidenberger, M. Wasserheß, J. Zhao

^*Corresponding author for this work

Energy and Sustainability Research Institute Groningen

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

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Abstract

The transition between the spherical and deformed shapes of the nuclei (shape phase transition) is an interesting property of nuclei that enriches our understanding of the nuclear structure. One method for studying it is through measurement of a wide range of atomic masses and derivation of the two-neutron separation energies (S_2n). Using a multiple-reflection time-of-flight mass spectrometer at the FRS Ion Catcher, GSI, atomic masses in the region of A ∼ 150 were measured. This allowed an wide study of phase shape transitions in this region of the nuclear chart. In addition, comparison with the Skyrme Hartree-Fock plus BCS approach are done; showing a remarkable good agreement between theory and experiment.

Original language	English
Article number	075305
Number of pages	6
Journal	Physica Scripta
Volume	99
Issue number	7
DOIs	https://doi.org/10.1088/1402-4896/ad4fe8
Publication status	Published - 1-Jul-2024

Keywords

exotic nuclei
mass measurements
MR-ToF-MS
shape phase transition
spontaneous fission

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Studying shape phase transition in even-proton nuclei via mass measurementsFinal publisher's version, 459 KBLicence: Taverne

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Spătaru, A., Kripko-Koncz, G., Amanbayev, D., Ayet San Andrés, S., Balabanski, D. L., Beck, S., Bergmann, J., Constantin, P., Dickel, T., Geissel, H., Hornung, C., Kalantar-Nayestanaki, N., Mardor, I., Minkov, N., Mollaebrahimi, A., Plaß, W. R., Scheidenberger, C., Wasserheß, M., & Zhao, J. (2024). Studying shape phase transition in even-proton nuclei via mass measurements. Physica Scripta, 99(7), Article 075305. https://doi.org/10.1088/1402-4896/ad4fe8

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title = "Studying shape phase transition in even-proton nuclei via mass measurements",

abstract = "The transition between the spherical and deformed shapes of the nuclei (shape phase transition) is an interesting property of nuclei that enriches our understanding of the nuclear structure. One method for studying it is through measurement of a wide range of atomic masses and derivation of the two-neutron separation energies (S2n). Using a multiple-reflection time-of-flight mass spectrometer at the FRS Ion Catcher, GSI, atomic masses in the region of A ∼ 150 were measured. This allowed an wide study of phase shape transitions in this region of the nuclear chart. In addition, comparison with the Skyrme Hartree-Fock plus BCS approach are done; showing a remarkable good agreement between theory and experiment.",

keywords = "exotic nuclei, mass measurements, MR-ToF-MS, shape phase transition, spontaneous fission",

author = "A. Sp{\u a}taru and G. Kripko-Koncz and D. Amanbayev and \{Ayet San Andr{\'e}s\}, S. and Balabanski, \{D. L.\} and S. Beck and J. Bergmann and P. Constantin and T. Dickel and H. Geissel and C. Hornung and N. Kalantar-Nayestanaki and I. Mardor and N. Minkov and A. Mollaebrahimi and Pla{\ss}, \{W. R.\} and C. Scheidenberger and M. Wasserhe{\ss} and J. Zhao",

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doi = "10.1088/1402-4896/ad4fe8",

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Spătaru, A, Kripko-Koncz, G, Amanbayev, D, Ayet San Andrés, S, Balabanski, DL, Beck, S, Bergmann, J, Constantin, P, Dickel, T, Geissel, H, Hornung, C, Kalantar-Nayestanaki, N, Mardor, I, Minkov, N, Mollaebrahimi, A, Plaß, WR, Scheidenberger, C, Wasserheß, M & Zhao, J 2024, 'Studying shape phase transition in even-proton nuclei via mass measurements', Physica Scripta, vol. 99, no. 7, 075305. https://doi.org/10.1088/1402-4896/ad4fe8

TY - JOUR

T1 - Studying shape phase transition in even-proton nuclei via mass measurements

AU - Spătaru, A.

AU - Kripko-Koncz, G.

AU - Amanbayev, D.

AU - Ayet San Andrés, S.

AU - Balabanski, D. L.

AU - Beck, S.

AU - Bergmann, J.

AU - Constantin, P.

AU - Dickel, T.

AU - Geissel, H.

AU - Hornung, C.

AU - Kalantar-Nayestanaki, N.

AU - Mardor, I.

AU - Minkov, N.

AU - Mollaebrahimi, A.

AU - Plaß, W. R.

AU - Scheidenberger, C.

AU - Wasserheß, M.

AU - Zhao, J.

PY - 2024/7/1

Y1 - 2024/7/1

N2 - The transition between the spherical and deformed shapes of the nuclei (shape phase transition) is an interesting property of nuclei that enriches our understanding of the nuclear structure. One method for studying it is through measurement of a wide range of atomic masses and derivation of the two-neutron separation energies (S2n). Using a multiple-reflection time-of-flight mass spectrometer at the FRS Ion Catcher, GSI, atomic masses in the region of A ∼ 150 were measured. This allowed an wide study of phase shape transitions in this region of the nuclear chart. In addition, comparison with the Skyrme Hartree-Fock plus BCS approach are done; showing a remarkable good agreement between theory and experiment.

AB - The transition between the spherical and deformed shapes of the nuclei (shape phase transition) is an interesting property of nuclei that enriches our understanding of the nuclear structure. One method for studying it is through measurement of a wide range of atomic masses and derivation of the two-neutron separation energies (S2n). Using a multiple-reflection time-of-flight mass spectrometer at the FRS Ion Catcher, GSI, atomic masses in the region of A ∼ 150 were measured. This allowed an wide study of phase shape transitions in this region of the nuclear chart. In addition, comparison with the Skyrme Hartree-Fock plus BCS approach are done; showing a remarkable good agreement between theory and experiment.

KW - exotic nuclei

KW - mass measurements

KW - MR-ToF-MS

KW - shape phase transition

KW - spontaneous fission

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DO - 10.1088/1402-4896/ad4fe8

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AN - SCOPUS:85195672937

SN - 0031-8949

VL - 99

JO - Physica Scripta

JF - Physica Scripta

IS - 7

M1 - 075305

ER -

Studying shape phase transition in even-proton nuclei via mass measurements

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