IS THE QUENCHED SPECTRUM IN AGREEMENT WITH EXPERIMENT

被引：59

作者：

LACOCK, P

MICHAEL, C

机构：

[1] DAMTP, University of Liverpool, Liverpool

来源：

PHYSICAL REVIEW D | 1995年 / 52卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.52.5213

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We analyze the meson spectrum in quenched QCD using lattice gauge theory. By studying hadron propagation with a variety of operators (both smeared and local), we are able to extract the ground state and first excited state masses with confidence. We pay attention to the correlations among the data used in the fits to extract these masses and couplings. We compare the resulting hadron spectrum with experiment and find evidence for a significant departure in the pseudoscalar and vector meson masses.

引用

页码：5213 / 5219

页数：7

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