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A study of Gamow-Teller transitions for N = Z nuclei, 24Mg, 28Si, and 32S, by a deformed QRPA

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Abstract.

We investigated Gamow-Teller (GT) transitions and strength distributions of s-d shell N = Z nuclei, 24Mg, 28Si, and 32S, by a deformed quasi-particle random phase approximation (DQRPA). In the DQRPA, we included particle model space up to p-f shell and considered explicitly the deformation as well as the like- and unlike-pairing correlations. Shell evolution by deformation and attractive force by unlike-pairing correlations turned out to play vital roles to reproduce the experimental GT data. Correlations between the deformation and the pairing correlations are also discussed with the comparison to the experimental data shape.

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Authors and Affiliations

  1. Origin of Matter and Evolution of Galaxy Institute and Department of Physics, Soongsil University, 156-743, Seoul, Korea

    Eunja Ha & Myung-Ki Cheoun

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  1. Eunja Ha
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  2. Myung-Ki Cheoun
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Correspondence to Myung-Ki Cheoun.

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Communicated by F. Gulminelli

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Ha, E., Cheoun, MK. A study of Gamow-Teller transitions for N = Z nuclei, 24Mg, 28Si, and 32S, by a deformed QRPA. Eur. Phys. J. A 53, 26 (2017). https://doi.org/10.1140/epja/i2017-12216-7

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  • DOI: https://doi.org/10.1140/epja/i2017-12216-7

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