中文

标准模型及新物理中的重介子半轻衰变

高能物理 - 格点 2013-12-12 v1 高能物理 - 唯象学

摘要

我们利用格点量子色动力学计算了半轻衰变 BsKνB_s\to K\ell\nuBKB\to K\ell\ell 的形状因子。我们采用 MILC 2+1 味 asqtad 系综,在多个格距和一系列轻夸克质量下工作。对 bb 夸克采用费米实验室方法。我们得到了 EKE_K 直至约 1.2 GeV 的手征-连续外推结果,并借助模型无关的 zz 展开将其延拓至整个运动学范围。

关键词

引用

@article{arxiv.1312.3197,
  title  = {Heavy-meson semileptonic decays for the Standard Model and beyond},
  author = {Yuzhi Liu and Ran Zhou and Jon A. Bailey and A. Bazavov and C. Bernard and C. M. Bouchard and C. DeTar and Daping Du and A. X. El-Khadra and J. Foley and E. D. Freeland and E. Gámiz and Steven Gottlieb and U. M. Heller and R. D. Jain and Jongjeong Kim and A. S. Kronfeld and J. Laiho L. Levkova and P. B. Mackenzie and Y. Meurice and D. Mohler and E. T. Neil and M. B. Oktay and Si-Wei Qiu and J. N. Simone and R. Sugar and D. Toussaint and R. S. Van de Water},
  journal= {arXiv preprint arXiv:1312.3197},
  year   = {2013}
}

备注

7. pp, 6 figs. Presented at the 31st International Symposium on Lattice Field Theory - LATTICE 2013, July 29 - August 3, 2013, Mainz, Germany