论文标题
具有历史评论的强子物理学中的单位化技术
Unitarization Technics in Hadron Physics with Historical Remarks
论文作者
论文摘要
我们回顾了过去几十年中使用的一系列单位化技术，其中许多与当前代数的降临和发展以及手性扰动理论的出现有关。讨论了几种方法，例如广义有效范围扩展，k-matrix方法，逆振幅方法，padé近似值和N/D方法。不过，为后者提供了更多详细信息。我们还考虑如何实施它们以通过最终状态交互来纠正。与此其他一些方法有关，也引入了一些方法，例如外形逆的扩展，Omnés解决方案，对耦合通道的概括以及Khuri-Treiman形式主义等。
We review a series of unitarization techniques that have been used during the last decades, many of them in connection with the advent and development of current algebra and later of Chiral Perturbation Theory. Several methods are discussed like the generalized effective-range expansion, K-matrix approach, Inverse Amplitude Method, Padé approximants and the N/D method. More details are given for the latter though. We also consider how to implement them in order to correct by final-state interactions. In connection with this some other methods are also introduced like the expansion of the inverse of the form factor, the Omnés solution, generalization to coupled channels and the Khuri-Treiman formalism, among others.
