半轻子和强子B衰变的NNLO修正
高能物理 - 唯象学
2010-02-03 v1
摘要
我们回顾了半轻子和强子B介子衰变微扰计算的最新进展,重点讨论了次次领头阶(NNLO)修正的唯象学意义。具体而言,我们考虑了树图主导的B→ππ/πρ/ρρ衰变的CP平均分支比,以及从B→X_u lν对|V_ub|的包容性测定。
引用
@article{arxiv.1002.0513,
title = {NNLO corrections to semileptonic and hadronic B decays},
author = {Guido Bell},
journal= {arXiv preprint arXiv:1002.0513},
year = {2010}
}
备注
6 pages; to appear in the proceedings of the 9th International Symposium on Radiative Corrections (RADCOR 2009), October 25-30 2009, Ascona, Switzerland