摘要: 阐述了^9,11Be+²⁰⁹Bi近垒熔合反应研究的意义,给出实验结果并讨论弹核破裂对近垒熔合反应截面的影响. The purpose and importance of the study of ^9,11Be+²⁰⁹Bi near barrier fusion were reviewed. The breakup effects of the halo nuclei on fusion were discussed and compared with the experimental results of ^9,11Be+²⁰⁹Bi systems.