摘要
本文提出了一个夸克-强子混合模型来描述高能复合粒子的散射,在此模型中,夸克部分的参数是由符合p-p散射实验来确定的,我们应用这个没有任何自由参数的模型讨论了p-α弹性散射.结果表明,我们的模型大大地改善了以前各种不同理论的计算,并且很好地解释了实验数据.结果还表明,在NN相互作用中的夸克自由度在改善实验数据的理论描述中起着十分重要的作用.
We propose a hybrid quark hadron model to describe high energy composite particle scattering. The parameters for quark sector in the model are determined by fitting pp scattering data. We apply the model without any free parameter to proton-alpha elastic scattering. Our rnodel yields a quite large improvement over various calculations done before and provides a very good agreement with existrng data available. Our results also show that the quark degrees of freedom in NN interaction play an important role in improving theoretical description of experimental data and must be included in future calculations.
出处
《高能物理与核物理》
SCIE
CAS
CSCD
北大核心
1989年第6期535-538,共4页
High Energy Physics and Nuclear Physics
基金
中国自然科学基金
