Hadron Dynamics and Spectroscopy

标准模型提供了一个非常成功的关于物质和基本相互作用的理论。强相互作用由QCD描述，由胶子与夸克相互作用产生，夸克是强子物质的基本组成部分。它已经在相互作用较弱的极短距离上进行了广泛的测试，但在相互作用较强的大距离上却没有得到很好的理解，而进行定量分析预测所需的摄动技术则失效了。本项目重点研究强相互作用区域和QCD中预测的强子态的性质，特别是混合夸克-胶子态和多夸克态的现象学。这些状态的存在尚未牢固确立，但在QCD中是必要的。该项目将开发测试和分析这些状态的证据，包括混合胶子/夸克-反夸克状态，夸克-胶子混合介子和多夸克系统

The Standard Model provides a remarkably successful theory of matter and the fundamental interactions. The strong interactions are described by QCD and are generated by gluons interacting with quarks, the basic building blocks of hadronic matter. It has been extensively tested at very short distances where the interaction is weak but is less well understood at large distances where the interaction is strong and the perturbative techniques needed to make quantitative analytical predictions break down. This project focuses on this strongly interacting region and the nature of the hadronic states predicted in QCD, and in particular the phenomenology of mixed quark-gluon states and multiquark states. The existence of these states has not yet been firmly established, yet are necessary in QCD. This project will develop tests and analyse the evidence for such states, including the mixed gluon/quark-antiquark states, quark-gluon hybrid mesons and multiquark systems