Exploring the giant monopole resonance in superheavy nuclei: A theoretical perspective
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866910917911904256 |
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| author | Kumar, S. Pattnaik, Jeet Amrit Singh, S. K. Panda, R. N. Bhuyan, M. Patra, S. K. |
| author_facet | Kumar, S. Pattnaik, Jeet Amrit Singh, S. K. Panda, R. N. Bhuyan, M. Patra, S. K. |
| contents | Within the relativistic mean field framework, in an extended Thomas-Fermi approximation, we calculate the binding energy and charge distribution radius for the latest superheavy nuclei, synthesised in various laboratories, with atomic numbers $Z = 110-118$. The binding energy and radii are compared with the results obtained from relativistic Hartree calculations along with the experimental data, wherever available, to check the reliability of the methods. The calculations are extended to estimate the giant monopole resonances to understand the collective vibration of the nucleons for such superheavy nuclei. The giant monopole resonances obtained from scaling calculations are compared with the constraint computations. Furthermore, the results are compared with other known methods, such as the relativistic Random Phase Approximation (RPA) and time-dependent mean field calculations, along with some known lighter nuclei, specifically Zr isotopes (N = 42-86) and O isotopes (N = 10-36). Finally, the nuclear compressibility of the superheavy nuclei is predicted from the energy obtained in the breathing mode. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_17330 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Exploring the giant monopole resonance in superheavy nuclei: A theoretical perspective Kumar, S. Pattnaik, Jeet Amrit Singh, S. K. Panda, R. N. Bhuyan, M. Patra, S. K. Nuclear Theory Nuclear Experiment Within the relativistic mean field framework, in an extended Thomas-Fermi approximation, we calculate the binding energy and charge distribution radius for the latest superheavy nuclei, synthesised in various laboratories, with atomic numbers $Z = 110-118$. The binding energy and radii are compared with the results obtained from relativistic Hartree calculations along with the experimental data, wherever available, to check the reliability of the methods. The calculations are extended to estimate the giant monopole resonances to understand the collective vibration of the nucleons for such superheavy nuclei. The giant monopole resonances obtained from scaling calculations are compared with the constraint computations. Furthermore, the results are compared with other known methods, such as the relativistic Random Phase Approximation (RPA) and time-dependent mean field calculations, along with some known lighter nuclei, specifically Zr isotopes (N = 42-86) and O isotopes (N = 10-36). Finally, the nuclear compressibility of the superheavy nuclei is predicted from the energy obtained in the breathing mode. |
| title | Exploring the giant monopole resonance in superheavy nuclei: A theoretical perspective |
| topic | Nuclear Theory Nuclear Experiment |
| url | https://arxiv.org/abs/2504.17330 |