τ 衰变与 a1 的结构
高能物理 - 唯象学
2008-12-18 v2 核理论
摘要
我们基于最近发展的动态产生轴矢量共振态的技术，分析了 衰变。在假设 a1 为耦合通道介子分子的前提下，仅通过调整一个自由参数，谱函数就能被惊人地精确描述。此外，若包含一个基本 a1，则会破坏结果。
引用
@article{arxiv.0708.2223,
title = {Tau decay and the structure of the a1},
author = {Markus Wagner and Stefan Leupold},
journal= {arXiv preprint arXiv:0708.2223},
year = {2008}
}
备注
Replaced figures, due to an error in the calculation, which we corrected. (Conclusions did not change.) Dropped last part discussing higher order effect in favour of further elucidation