Resonant suppression of the above-barrier fusion cross-section in $^{19}$O + $^{12}$C
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913661218455552 |
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| author | Desilets, H. Kumar, Rohit deSouza, R. T. Hudan, S. Ciampi, C. Chbihi, A. Brown, K. W. Godbey, K. Pinheiro, B. Cardozo, E. N. Lubian, J. |
| author_facet | Desilets, H. Kumar, Rohit deSouza, R. T. Hudan, S. Ciampi, C. Chbihi, A. Brown, K. W. Godbey, K. Pinheiro, B. Cardozo, E. N. Lubian, J. |
| contents | Fusion excitation functions for $^{19}$O and $^{19}$F + $^{12}$C were simultaneously measured along with $^{20}$O + $^{12}$C using the active-target detector MuSIC@Indiana. Examination of the cross-section just above the barrier reveals a significant suppression of fusion for the $^{19}$O + $^{12}$C system at E$_{c.m.}$~12 MeV. This suppression may be due to the formation of a transient $^{18}$O-n-$^{12}$C molecule-like complex favored at a particular angular momentum. Mean-field level models are used as a reference to understand the measured fusion excitation functions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_12995 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Resonant suppression of the above-barrier fusion cross-section in $^{19}$O + $^{12}$C Desilets, H. Kumar, Rohit deSouza, R. T. Hudan, S. Ciampi, C. Chbihi, A. Brown, K. W. Godbey, K. Pinheiro, B. Cardozo, E. N. Lubian, J. Nuclear Experiment Fusion excitation functions for $^{19}$O and $^{19}$F + $^{12}$C were simultaneously measured along with $^{20}$O + $^{12}$C using the active-target detector MuSIC@Indiana. Examination of the cross-section just above the barrier reveals a significant suppression of fusion for the $^{19}$O + $^{12}$C system at E$_{c.m.}$~12 MeV. This suppression may be due to the formation of a transient $^{18}$O-n-$^{12}$C molecule-like complex favored at a particular angular momentum. Mean-field level models are used as a reference to understand the measured fusion excitation functions. |
| title | Resonant suppression of the above-barrier fusion cross-section in $^{19}$O + $^{12}$C |
| topic | Nuclear Experiment |
| url | https://arxiv.org/abs/2501.12995 |