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Interaction of 8He nuclei with α particles and protons at a beam energy of 26 MeV/n

✍ Scribed by R. Wolski; A.S. Fomichev; A.M. Rodin; S.I. Sidorchuk; S.V. Stepantsov; G.M. Ter-Akopian; Yu.Ts. Oganessian; W. Mittig; P. Roussel-Chomaz; N. Alamanos; V. Lapoux; R. Raabe

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 75 KB
Volume: 701
Category: Article
ISSN: 0375-9474
DOI: 10.1016/s0375-9474(01)01543-3

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✦ Synopsis

Angular distributions of elastically scattered 8 He ions on 4 He and on protons at the beam energy of 26 MeV/n are presented. An attempt to observe a backward-angle rise of the 8 He + 4 He cross-section is reported. The forward-angle 4 He data are analyzed with a double folding, density dependent model. Finite range DWBA was applied in order to estimate the contributions from the transfer reactions. It was found that the 2-step process is more important than the 1-step transfer. It seems that eikonal approximation is applicable for the description of elastic scattering 8 He + p at this energy.

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