Bibliographic Details
| Title: |
Extreme alpha-clustering in the 18O nucleus |
| Authors: |
Johnson, E. D., Rogachev, G. V., Goldberg, V. Z., Brown, S., Robson, D., Crisp, A. M., Cottle, P. D., Fu, C., Giles, J., Green, B. W., Kemper, K. W., Lee, K., Roeder, B. T., Tribble, R. E. |
| Source: |
Eur.Phys.J.A42:135-139,2009 |
| Publication Year: |
2009 |
| Collection: |
Nuclear Experiment |
| Subject Terms: |
Nuclear Experiment |
| More Details: |
The structure of the 18O nucleus at excitation energies above the alpha decay threshold was studied using 14C+alpha resonance elastic scattering. A number of states with large alpha reduced widths have been observed, indicating that the alpha-cluster degree of freedom plays an important role in this N not equal Z nucleus. However, the alpha-cluster structure of this nucleus is very different from the relatively simple pattern of strong alpha-cluster quasi-rotational bands in the neighboring 16O and 20Ne nuclei. A 0+ state with an alpha reduced width exceeding the single particle limit was identified at an excitation energy of 9.9+/-0.3 MeV. We discuss evidence that states of this kind are common in light nuclei and give possible explanations of this feature.
Comment: 4 pages, 2 figures, 1 table. Resubmission with minor changes for clarity, including removal of one figure |
| Document Type: |
Working Paper |
| DOI: |
10.1140/epja/i2009-10887-1 |
| Access URL: |
http://arxiv.org/abs/0906.3556 |
| Accession Number: |
edsarx.0906.3556 |
| Database: |
arXiv |
