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Long range absorption in the scattering of He-6 on Pb-208 and Au-197 at 27-MeV

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Kakuee, O.R. Alvarez, M.A.G. Andres, M.V. Cherubini, S. Davinson, T. Galster, W. [UCL] Vervier, Jean [UCL]

(eng) Quasi-elastic scattering of 6He at E_lab=27 MeV from 197Au has been measured in the angular range of 6-72 degrees in the laboratory system employing LEDA and LAMP detection systems. These data, along with previously analysed data of 6He + 208Pb at the same energy, are analyzed using Optical Model calculations. The role of Coulomb dipole polarizability has been investigated. Large imaginary diffuseness parameters are required to fit the data. This result is an evidence for long range absorption mechanisms in 6He induced reactions. Comment: 10 pages, 10 figures, minor corrections. To appear in Nucl. Phys. A

Document type Article de périodique (Journal article) – Article de recherche
Publication date 2006
Journal information "Nuclear Physics, Section A" - Vol. 765, no. 3-4, p. 294-306 (2006)
Publisher Elsevier BV * North-Holland (Amsterdam)
issn 0375-9474
e-issn 1873-1554
Publication status Publié
Affiliation UCL
Keywords Nuclear Experiment
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Bibliographic reference Kakuee, O.R. ; Alvarez, M.A.G. ; Andres, M.V. ; Cherubini, S. ; Davinson, T. ; et. al. Long range absorption in the scattering of He-6 on Pb-208 and Au-197 at 27-MeV. In: Nuclear Physics, Section A, Vol. 765, no. 3-4, p. 294-306 (2006)
Permanent URL http://hdl.handle.net/2078/31856