^(12)C原子核α跃迁密度及p-^(12)C非弹性散射研究

Transition Density of ^(12)C Nuclear and p-^(12)C Inelastic Scattering

基于12C原子核的α粒子结构观点,通过拟合电子散射实验得出12C核2+和3-态α粒子跃迁密度分布,并在多重散射的K.M.T理论框架下对入射能量为600 MeV和700 MeV的p-12C非弹性散射进行研究计算。结果表明,理论计算得到的p-12C非弹性散射截面与实验数据符合得较好。12C原子核基态及2+和3-激发态的α粒子结构观点在p-12C非弹性散射领域得到了检验和支持。

Based on the a-particle model of ^12C nuclear,the 2^＋ and 3^- excited states transition density is presented by fitting the experimental transition form factor data of electron scattering. In the framework of KMT theory,the differential cross sections of 600 MeV and 700 MeV p-^12C inelastic scattering for 2^＋ and 3^- excited states have been calculated by using the obtained transition density. The theoretical resuits are in agreement with the experimental data. The results provide support for the α-particle excitation mechanism for the 2^＋ and 3^- states of ^12C nuclear in the field of p-^12C inelastic scattering.