中文

利用 Overlap 费米子研究核子的奇异性与粲数

高能物理 - 格点 2012-08-27 v1 高能物理 - 唯象学

摘要

本文在 2+1 味 domain wall 费米子组态上使用 overlap 费米子作用量,给出了核子奇异性和粲数的计算。我们采用随机网格源和低模式替换技术来改善核子关联函数和圈图的信号。计算在 243×6424^3\times 64 格子上进行,参数为 ml=0.005m_l=0.005mh=0.04m_h=0.04a1=1.73GeVa^{-1}=1.73\,{\rm GeV}。我们得到 fTs=0.048(15) f_{T_{s}} = 0.048(15)fTc=0.029(43)f_{T_{c}} = 0.029(43)

关键词

引用

@article{arxiv.1204.0685,
  title  = {The Strangeness and Charmness of Nucleon from Overlap Fermions},
  author = {chi QCD Collaboration and M. Gong and A. Li and A. Alexandru and T. Draper and K. F. Liu},
  journal= {arXiv preprint arXiv:1204.0685},
  year   = {2012}
}

备注

Talk presented at the XXIX International Symposium on Lattice Field Theory, Squaw Valley, Lake Tahoe, California, USA, July 10-16, 2011. 7 pages, 5 figures