Absence of the threshold anomaly in the elastic scattering of the weakly bound projectile {sup 7}Li on {sup 27}Al

To study the conditions leading to the appearance of the threshold anomaly in systems involving weakly bound projectiles we measured elastic scattering cross sections for the {sup 7}Li+{sup 27}Al system at ten different bombarding energies. The results were exhaustively analyzed using different opti...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 2006-05, Vol.73 (5)
Main Authors: Figueira, J.M., Abriola, D., Niello, J.O. Fernandez, Arazi, A., Capurro, O.A., Barbara, E. de, Marti, G.V., Martinez Heimann, D., Pacheco, A.J., Testoni, J.E., Padron, I., Gomes, P.R.S., Lubian, J., Instituto de Fisica, Universidade Federal Fluminense, Avenida Litoranea s/n, Gragoata, Niteroi, R. J., 24210-340
Format: Article
Language:English
Subjects:
ALUMINIUM 27
ALUMINIUM 27 TARGET
CROSS SECTIONS
ELASTIC SCATTERING
LITHIUM 7
LITHIUM 7 REACTIONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
OPTICAL MODELS
POTENTIALS
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Summary:To study the conditions leading to the appearance of the threshold anomaly in systems involving weakly bound projectiles we measured elastic scattering cross sections for the {sup 7}Li+{sup 27}Al system at ten different bombarding energies. The results were exhaustively analyzed using different optical model potentials. The similar behavior observed in all these analyses allows us to conclude that no threshold anomaly is found for the present system.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.73.054603