Onset of nuclear structure effects in near-barrier elastic scattering of weakly bound nuclei: {sup 6}He and {sup 6}Li compared
- Department of Physics, Erciyes University, Kayseri (Turkey)
The elastic scattering of the halo nucleus {sup 6}He from heavy targets at incident energies near the Coulomb barrier displays a marked deviation from the standard Fresnel-type diffraction behavior. This deviation is due to the strong Coulomb dipole breakup coupling produced by the Coulomb field of the heavy target, a specific feature of the nuclear structure of {sup 6}He. We have performed Continuum Discretized Coupled Channels calculations for the elastic scattering of {sup 6}He and {sup 6}Li from {sup 58}Ni, {sup 120}Sn, {sup 144}Sm, {sup 181}Ta and {sup 208}Pb targets in order to determine the range of Z{sub T} where this nuclear-structure specific coupling effect becomes manifest. We find that the strong Coulomb dipole breakup coupling effect is only clearly experimentally distinguishable for targets of Z{sub T}{approx_equal}80.
- OSTI ID:
- 21289956
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 6 Vol. 79; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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