Detailed study of the decay of $^{21}$Mg
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866929439394234368 |
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| author | Jensen, E. A. M. Nielsen, S. T. Andreyev, A. Borge, M. J. G. Cederkäll, J. Fraile, L. M. Fynbo, H. O. U. Harkness-Brennan, L. J. Jonson, B. Judson, D. S. Kirsebom, O. S. Lică, R. Lund, M. V. Madurga, M. Marginean, N. Mihai, C. Page, R. D. Perea, Á. Riisager, K. Tengblad, O. |
| author_facet | Jensen, E. A. M. Nielsen, S. T. Andreyev, A. Borge, M. J. G. Cederkäll, J. Fraile, L. M. Fynbo, H. O. U. Harkness-Brennan, L. J. Jonson, B. Judson, D. S. Kirsebom, O. S. Lică, R. Lund, M. V. Madurga, M. Marginean, N. Mihai, C. Page, R. D. Perea, Á. Riisager, K. Tengblad, O. |
| contents | Beta-delayed proton and gamma emission in the decay of $^{21}$Mg has been measured at ISOLDE, CERN with the ISOLDE Decay Station (IDS) set-up. The existing decay scheme is updated, in particular what concerns proton transitions to excited states in $^{20}$Ne. Signatures of interference in several parts of the spectrum are used to settle spin and parity assignments to highly excited states in $^{21}$Na. The previously reported $β$p$α$ branch is confirmed. A half-life of 120.5(4) ms is extracted for $^{21}$Mg. The revised decay scheme is employed to test mirror symmetry in the decay and to extract the beta strength distribution of $^{21}$Mg that is compared with theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_01276 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Detailed study of the decay of $^{21}$Mg Jensen, E. A. M. Nielsen, S. T. Andreyev, A. Borge, M. J. G. Cederkäll, J. Fraile, L. M. Fynbo, H. O. U. Harkness-Brennan, L. J. Jonson, B. Judson, D. S. Kirsebom, O. S. Lică, R. Lund, M. V. Madurga, M. Marginean, N. Mihai, C. Page, R. D. Perea, Á. Riisager, K. Tengblad, O. Nuclear Experiment Beta-delayed proton and gamma emission in the decay of $^{21}$Mg has been measured at ISOLDE, CERN with the ISOLDE Decay Station (IDS) set-up. The existing decay scheme is updated, in particular what concerns proton transitions to excited states in $^{20}$Ne. Signatures of interference in several parts of the spectrum are used to settle spin and parity assignments to highly excited states in $^{21}$Na. The previously reported $β$p$α$ branch is confirmed. A half-life of 120.5(4) ms is extracted for $^{21}$Mg. The revised decay scheme is employed to test mirror symmetry in the decay and to extract the beta strength distribution of $^{21}$Mg that is compared with theory. |
| title | Detailed study of the decay of $^{21}$Mg |
| topic | Nuclear Experiment |
| url | https://arxiv.org/abs/2405.01276 |