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Report No.

Scattering of $$^{11}$$Be halo nucleus from $$^{209}$$Bi at coulomb barrier

Mazzocco, M.*; Signorini, C.*; Romoli, M.*; De Francesco, A.*; Di Pietro, M.*; Vardaci, E.*; Yoshida, Koichi*; Yoshida, Atsushi*; Bonetti, R.*; De Rosa, A.*; Glodariu, T.*; Guglielmetti, A.*; Inglima, G.*; Commara, M. La*; Martin, B.*; Pierroutsakou, D.*; Sandoli, M.*; Soramel, F.*; Stroe, L.*; Kanungo, R.*; Khai, N.*; Motobayashi, Toru*; Nomura, Toru*; Ishikawa, Tomoko*; Ishiyama, Hironobu*; Jeong, S.*; Miyatake, Hiroari; Tanaka, Masahiko*; Sugai, Isao*; Watanabe, Yutaka*

The scattering of the radioactive, weakly bound, halo nucleus $$^{11}$$Be from $$^{209}$$Bi has been studied at 40 MeV. The measurement performed with a low-intensity and a large-emittance secondary beam could be made using an extremely compact, large solid angle ($$sim$$ 2$$pi$$ sr) detecting set-up, based on 8 highly segmented Si telescopes. The $$^{9,11}$$Be scattering angular distributions, as well as their relative reaction cross-sections, resulted to be rather similar. This may suggest that at Coulomb barrier energies the halo structure and the small weakly binding energy of the $$^{11}$$Be projectile have no big influence on the reaction dynamics.



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Category:Physics, Nuclear



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