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Near-Barrier Fusion of the (8)B+(58)Ni Proton-Halo System

  作者 Aguilera, EF; Amador-Valenzuela, P; Martinez-Quiroz, E; Lizcano, D; Rosales, P; Garcia-Martinez, H; Gomez-Camacho, A; Kolata, JJ; Roberts, A; Lamm, LO; Rogachev, G; Guimaraes, V; Becchetti, FD; Villano, A; Ojaruega, M; Febbraro, M; Chen, Y; Jiang, H; DeYoung, PA; Peaslee, GF; Guess, C; Khadka, U; Brown, J; Hinnefeld, JD; Acosta, L; Rossi, ES; Huiza, JFP; Belyaeva, TL  
  选自 期刊  PHYSICAL REVIEW LETTERS;  卷期  2011年107-9;  页码  92701-92701  
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[摘要]Fusion cross sections were measured for the exotic proton-halo nucleus (8)B incident on a (58)Ni target at several energies near the Coulomb barrier. This is the first experiment to report on the fusion of a protonhalo nucleus. The resulting excitation function shows a striking enhancement with respect to expectations for normal projectiles. Evidence is presented that the sum of the fusion and breakup yields saturates the total reaction cross section.

 
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