来自Belle和Babar实验的B+和Ds+衰变常数
高能物理 - 实验
2010-01-15 v1
摘要
Belle和Babar实验测量了B+ -> tau+ nu和Ds+ -> mu+ nu衰变的分支比。从这些测量中可以提取B+和Ds+衰变常数，并与格点QCD计算结果进行比较。对于Ds+衰变常数，目前计算值与测量值之间存在2.1西格玛的差异。
引用
@article{arxiv.0909.4473,
title = {B+ and Ds+ Decay Constants from Belle and Babar},
author = {A. J. Schwartz},
journal= {arXiv preprint arXiv:0909.4473},
year = {2010}
}
备注
10 pages, 8 figures, 1 table, contribution to the Tenth Conference on the Intersections of Particle and Nuclear Physics (CIPANP 2009), San Diego, California