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Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes

The intruder configurations (1p-1h), (2p-2h) and (3p-3h) were studied in this work for the island of inversion within the SDPF-U Hamiltonian. The effect of the proton locations on the structure (energies and transition probabilities) for even-even and even-odd magnesium (N=20-24) isotopes is studied...

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Main Authors: Abu Kassim, Hasan, Ahmed, F. A., Al-Sammarrae, A. A., Sharrad, F., Garba, L. G.
Format: Article
Published: Soc Mexicana Fisica 2021
Subjects:
QC Physics
Online Access:http://eprints.um.edu.my/28070/
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spelling my.um.eprints.280702022-07-20T07:12:00Z http://eprints.um.edu.my/28070/ Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes Abu Kassim, Hasan Ahmed, F. A. Al-Sammarrae, A. A. Sharrad, F. Garba, L. G. QC Physics The intruder configurations (1p-1h), (2p-2h) and (3p-3h) were studied in this work for the island of inversion within the SDPF-U Hamiltonian. The effect of the proton locations on the structure (energies and transition probabilities) for even-even and even-odd magnesium (N=20-24) isotopes is studied. The unmixed intruder configurations (1p-1h), (2p-2h) and (3p-3h) in addition to the protons positions are created by restriction method. The proposed restricted configurations were applied to calculate the low-lying states and probabilities of the transitions B(E2 : 0(1)(+) -> 2(1)(+)) with effective charges e(p) = 1.32 and e(n) = 0.421 for the Mg-32,Mg-34,Mg-36 isotopes and comparing to the results of available experimental works. The good agreement between the theoretical and experimental values confirmed the existence of the intruder configurations in these nuclei. The theoretical results showed a suitable SDPF-U Hamiltonian in the calculations for the structure of the nuclei in this region. The SDPF-U results confirmed many energy states and other suggested J values. Soc Mexicana Fisica 2021-09 Article PeerReviewed Abu Kassim, Hasan and Ahmed, F. A. and Al-Sammarrae, A. A. and Sharrad, F. and Garba, L. G. (2021) Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes. Revista Mexicana de Fisica, 67 (5). ISSN 0035-001X, DOI https://doi.org/10.31349/RevMexFis.67.051201 <https://doi.org/10.31349/RevMexFis.67.051201>. 10.31349/RevMexFis.67.051201
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QC Physics
spellingShingle QC Physics
Abu Kassim, Hasan
Ahmed, F. A.
Al-Sammarrae, A. A.
Sharrad, F.
Garba, L. G.
Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes
description The intruder configurations (1p-1h), (2p-2h) and (3p-3h) were studied in this work for the island of inversion within the SDPF-U Hamiltonian. The effect of the proton locations on the structure (energies and transition probabilities) for even-even and even-odd magnesium (N=20-24) isotopes is studied. The unmixed intruder configurations (1p-1h), (2p-2h) and (3p-3h) in addition to the protons positions are created by restriction method. The proposed restricted configurations were applied to calculate the low-lying states and probabilities of the transitions B(E2 : 0(1)(+) -> 2(1)(+)) with effective charges e(p) = 1.32 and e(n) = 0.421 for the Mg-32,Mg-34,Mg-36 isotopes and comparing to the results of available experimental works. The good agreement between the theoretical and experimental values confirmed the existence of the intruder configurations in these nuclei. The theoretical results showed a suitable SDPF-U Hamiltonian in the calculations for the structure of the nuclei in this region. The SDPF-U results confirmed many energy states and other suggested J values.
format Article
author Abu Kassim, Hasan
Ahmed, F. A.
Al-Sammarrae, A. A.
Sharrad, F.
Garba, L. G.
author_facet Abu Kassim, Hasan
Ahmed, F. A.
Al-Sammarrae, A. A.
Sharrad, F.
Garba, L. G.
author_sort Abu Kassim, Hasan
title Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes
title_short Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes
title_full Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes
title_fullStr Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes
title_full_unstemmed Shell model calculations of nuclear structure in ``Island of inversion'' N=20 region: Mg32-36 isotopes
title_sort shell model calculations of nuclear structure in ``island of inversion'' n=20 region: mg32-36 isotopes
publisher Soc Mexicana Fisica
publishDate 2021
url http://eprints.um.edu.my/28070/
_version_ 1739828432996401152
score 13.211869

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