HQET中重轻夸克流的三圈反常维度
高能物理 - 唯象学
2010-04-05 v3
摘要
计算了HQET中重轻夸克流的反常维度，精度达到三圈，以及重整化的重夸克传播子。获得了f_B/f_D的NNL微扰修正。
引用
@article{arxiv.hep-ph/0303113,
title = {Three-loop anomalous dimension of the heavy-light quark current in HQET},
author = {K. G. Chetyrkin and A. G. Grozin},
journal= {arXiv preprint arXiv:hep-ph/0303113},
year = {2010}
}
备注
16 pages, 7 eps figures. Typos in the discussion of fB/fD corrected. Paper is also available at http://www-ttp.physik.uni-karlsruhe.de/Preprints/ Results and REDUCE programs are available at http://www-ttp.physik.uni-karlsruhe.de/Progdata/ttp03/ttp03-10/