Study of the elastic scattering of 6He on 208Pb at energies around the Coulomb barrier
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Abstract
The elastic scattering of 6He on 208Pb has been measured at laboratory energies of
14, 16, 18 and 22 MeV. These data were analyzed using phenomenological Woods-
Saxon form factors and optical model calculations. A semiclassical polarization po-
tential was used to study the e ect of the Coulomb dipole polarizability. Evidence
for long range absorption, partially arising from Coulomb dipole polarizability, is
reported. The energy variation of the optical potential was found to be consistent
with the dispersion relations which connect the real and imaginary parts of the
potential.
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Sánchez Benítez, A.M., Escrig, D, Álvarez, M.A.G., Andrés, M.V., Angulo, C., García Borqe, M.J., García Ramos, J.E... [et al.]:"Study of the elastic scattering of 6He on 208Pb at energies around the Coulomb barrier". Nuclear Physics A. Vol. 803, n. 1-2, p. 30-45 (2008). ISSN 0375-9474
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