中文

格点QCD价近似的介子衰变常数预言

高能物理 - 格点 2008-02-03 v2 高能物理 - 唯象学

摘要

对于在价(淬灭)近似下带有Wilson夸克的格点QCD,我们计算了外推至物理夸克质量、零格距和无穷大体积下的fπ/mρf_{\pi}/ m_{\rho}fK/mρf_K/ m_{\rho}1/fρ1/f_{\rho}mϕ/(fϕmρ) m_{\phi}/(f_{\phi} m_{\rho})。所预言的mϕ/(fϕmρ) m_{\phi}/(f_{\phi} m_{\rho})与实验的偏差小于其约15%的统计不确定性。其他三个常数比实验值低10%至20%,相当于相应统计不确定性的1至2倍。

关键词

引用

@article{arxiv.hep-lat/9302012,
  title  = {Meson Decay Constant Predictions of the Valence Approximation to Lattice QCD},
  author = {F. Butler and H. Chen and J. Sexton and A. Vaccarino and D. Weingarten},
  journal= {arXiv preprint arXiv:hep-lat/9302012},
  year   = {2008}
}

备注

14 pages of Latex using REVTEX macros, included, plus Postscript for 2 figures, also included. (corrected two typos, one somewhat confusing)