Candidates for three-quasiparticle <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>K</mml:mi> </mml:math> isomers in even-odd Fm–Cn nuclei

Following our study of possible $K$ isomers in odd-even Md--Rg nuclei, here we continue with searching for three-quasiparticle $1\ensuremath{\nu}2\ensuremath{\pi}$ and $3\ensuremath{\nu}$ isomer candidates in even-odd Fm--Cn nuclei. We use the same approach to calculate energies of different nuclear configurations using a microscopic-macroscopic model with the Woods-Saxon potential. We used two versions of pairing: the quasiparticle BCS method and particle number projection formalism. The optimal deformations for both ground states and high-$K$ configurations are determined through a four-dimensional energy minimization process. We point out the most promising candidates for high-$K$ isomers and compare them, where possible, with existing experimental data.

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Publication Details

Journal
Physical review. C
Published
2025-10-28
DOI
https://doi.org/10.1103/hw38-jm8f
Primary Topic
Nuclear physics research studies
Type
article
Field-Weighted Citation Impact
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article

Candidates for three-quasiparticle <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>K</mml:mi> </mml:math> isomers in even-odd Fm–Cn nuclei

P. Jachimowicz, M. Kowal, J. Skalski
Physical review. C
Nuclear physics research studies
article

Candidates for three-quasiparticle <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>K</mml:mi> </mml:math> isomers in even-odd Fm–Cn nuclei

P. Jachimowicz, M. Kowal, J. Skalski
article en

Abstract

Following our study of possible $K$ isomers in odd-even Md--Rg nuclei, here we continue with searching for three-quasiparticle $1\ensuremath{\nu}2\ensuremath{\pi}$ and $3\ensuremath{\nu}$ isomer candidates in even-odd Fm--Cn nuclei. We use the same approach to calculate energies of different nuclear configurations using a microscopic-macroscopic model with the Woods-Saxon potential. We used two versions of pairing: the quasiparticle BCS method and particle number projection formalism. The optimal deformations for both ground states and high-$K$ configurations are determined through a four-dimensional energy minimization process. We point out the most promising candidates for high-$K$ isomers and compare them, where possible, with existing experimental data.

Physical review. CVol. 112(6)
National Centre for Nuclear Research (PL), University of Zielona Góra (PL)
Openalex Percentile: Top 82%
Nuclear physics research studies
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