We present a new sum rule which does not contain any Landau-pole effect and allows a determination of Vub/Vcb with a theoretical error of O(5%).
Cite
@article{arxiv.hep-ph/0105168,
title = {A new sum rule to determine Vub/Vcb},
author = {U. Aglietti},
journal= {arXiv preprint arXiv:hep-ph/0105168},
year = {2007}
}
Comments
LaTex file, 5 pages, talk given at the LEPTRE Conference, Rome 18-20 April 2001,to be published in the proceedings, no figures; some typos corrected