光学模型势是研究核反应过程中需要首先确定的一个最基本的物理量。光学势参数对于核内部结构非常敏感。对于弱束缚体系7Li+11B,由于弹核和靶核基态均具有大的四极矩,集团结构明显,且为奇A核的轻体系,因此,该体系的系统学光学势的研究引起了人们极大的兴趣。抽取光学势参数最简单有效的方法是通过光学模型计算拟合体系的弹性散射角分布。因此,本工作通过实验测量了7Li+11B体系的弹性散射角分布,通过拟合实验数据抽取了该弱束缚体系的唯 The optical model potential is one of the most basic physical quantities that need to be determined first in a nuclear reaction. Optical potential parameters are very sensitive to the internal structure of the nucleus. For the weakly bound system 7Li + 11B, the systematic optical potential of this system has attracted people’s attention due to the large quadrupole moment in both the bomb-core and target nuclei, strong interest. The easiest and most effective way to extract the optical potential parameters is to calculate the elastic scattering angle distribution of the fitted system through the optical model. Therefore, this work measured the elastic scattering angle distribution of 7Li + 11B system experimentally, and extracted the weakly bound system only by fitting the experimental data