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arXiv 1012.5704hep-ph
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库仑规范QCD与激发强子谱

Coulomb Gauge QCD and the Excited Hadron Spectrum

Felipe J. Llanes-Estrada, Stephen R. Cotanch, Tim van Cauteren, Juan M. Torres Rincon, Pedro Bicudo, Marco Cardoso

摘要:

讨论了从库仑规范QCD理解轻、重夸克激发强子谱的进展。对于轻夸克系统,我们强调自发的手征对称性破缺的不敏感性,这预示着维格纳宇称简并在高激发强子谱,并允许夸克质量动量依赖性进行实验探测。对于重夸克介子衰变,我们调用的弗兰克-康登原理,一个后果,小的速度变化的重夸克,提取定性的,但模型独立,结构的洞察力从衰变产物的动量分布。

英文摘要:

We discuss progress in understanding the light and heavy quark excited hadron spectrum from Coulomb gauge QCD. For light quark systems we highlight the insensitivity to spontaneous chiral symmetry breaking, which predicts Wigner parity-degeneracy in the highly excited hadron spectrum and allows the quark mass momentum dependence to be experimentally probed. For heavy quark meson decays we invoke the Franck-Condon principle, a consequence of small velocity changes for heavy quarks, to extract qualitative, but model independent, structure insight from the momentum distribution of the decay products.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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