Gil, S. ; Abriola, D. ; DiGregorio, D. E. ; di Tada, M. ; Elgue, M. ; Etchegoyen, A. ; Etchegoyen, M. C. ; Fernández Niello, J. ; Ferrero, A. M. J. ; Macchiavelli, A. O. ; Pacheco, A. J. ; Testoni, J. E. ; Silveira Gomes, P. ; Vanin, V. R. ; Charlop, A. ; Garca, A. ; Kailas, S. ; Luke, S. J. ; Renshaw, E. ; Vandenbosch, R. (1990) Observation of mean-spin barrier bump in sub-barrier fusion of 28Si with 154Sm Physical Review Letters, 65 (25). pp. 3100-3103. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v65/i25/p3100_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.65.3100
Abstract
We have measured the fusion excitation function and γ-ray multiplicities Mγ for the 28Si+154Sm system. We have also measured Mγ for the 16O+166Er system that leads to the same compound nucleus, 182Os, as a calibration of the connection between Mγ and the first moment of the spin distribution, l. We find that the deduced l for 28Si+154Sm agrees reasonably well with theoretical calculations, and in particular its energy dependence exhibits the barrier bump expected when a shape degree of freedom is strongly coupled to the relative motion.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 15546 |
| Deposited On: | 13 Nov 2010 09:21 |
| Last Modified: | 03 Jun 2011 07:33 |
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