组分夸克模型中重子间的单π跃迁
高能物理 - 唯象学
2009-10-31 v2
摘要
在重夸克对称性极限（HQS）的框架下，分析了S波到S波、P波到S波以及P波到P波重子的单π跃迁。我们采用具有SU(2N_f) X O(3)对称性的组分夸克模型来描述轻双夸克系统，以减少描述这些跃迁所需的HQS耦合因子数量。我们还利用角动量量子理论，通过6j和9j符号将单π跃迁的组分夸克模型结果改写为更一般的形式。最后，我们估计了粲重子态之间某些单π跃迁的衰变率。
引用
@article{arxiv.hep-ph/9909278,
title = {One-pion transitions between heavy baryons in the constituent quark model},
author = {F. Hussain and J. G. Koerner and Salam Tawfiq},
journal= {arXiv preprint arXiv:hep-ph/9909278},
year = {2009}
}
备注
Latex, 33 pages including 2 figures (Postscript). Some typos are corrected with minor changes. Two references were added to the final version which will appear in Phy. Rev. D