p-11B热核反应率是聚变核能功率密度设计的关键参数,至今仍没有好的理论描述,需要从一定能区的核反应截面测量得到。然而已发表的p-11B实验截面数据彼此相差甚大,给干净核能输出功率密度设计带来困惑。因而弄清各实验室数据相差的原因,提供准确可靠的p-11B核反应截面数据是一个 The p-11B thermonuclear reaction rate is a key parameter in the design of the power density of fusion nuclei. So far there is no good theoretical description, which needs to be measured from the nuclear reaction cross section of a certain energy region. However, published p-11B experimental cross-sectional data differ greatly from each other, creating confusion for clean nuclear energy output power density design. Thus clear the reasons for the difference between the laboratory data to provide accurate and reliable p-11B nuclear cross-section data is a