Artículo
Breakup and n -transfer effects on the fusion reactions Li 6,7 + Sn 120,119 around the Coulomb barrier
Autor/es | Fisichella, Maria
Shotter, A. C. Figuera, Pierpaolo Lubian, J. Di Pietro, Alessia Fernández García, Juan Pablo Ferreira, J. L. Lattuada, M. Lotti, P. Musumarra, A. |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2017 |
Fecha de depósito | 2017-10-19 |
Publicado en |
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Resumen | This paper presents values of complete fusion cross sections deduced from activation measurements for the reactions Li6+Sn120 and Li7+Sn119, and for a projectile energy range from 17.5 to 28 MeV in the center-of-mass system. ... This paper presents values of complete fusion cross sections deduced from activation measurements for the reactions Li6+Sn120 and Li7+Sn119, and for a projectile energy range from 17.5 to 28 MeV in the center-of-mass system. A new deconvolution analysis technique is used to link the basic activation data to the actual fusion excitation function. The complete fusion cross sections above the barrier are suppressed by about 70% and 85% with respect to the universal fusion function, used as a standard reference, in the Li6 and Li7 induced reactions, respectively. From a comparison of the excitation functions of the two systems at energies below the barrier, no significant differences can be observed, despite the two systems have different n-transfer Q values. This observation is supported by the results of coupled reaction channels (CRC) calculations. |
Cita | Fisichella, M., Shotter, A.C., Figuera, P., Lubian, J., Di Pietro, A., Fernández García, J.P.,...,Musumarra, A. (2017). Breakup and n -transfer effects on the fusion reactions Li 6,7 + Sn 120,119 around the Coulomb barrier. Physical Review C, 95 (3), 034617. |
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Breakup and n-transfer effects.pdf | 1.793Mb | [PDF] | Ver/ | |