Solution of $a_2/a_1$ sign problem in heavy meson decays: nonfactorizable soft gluons in nonleptonic heavy meson decays
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
For the first time, a solution to the sign problem in heavy meson decay based on PQCD factorization theorems. The point is to include QCD evolution effort characteristic scales involved in decay processes.
Cite
@article{arxiv.hep-ph/9712527,
title = {Solution of $a_2/a_1$ sign problem in heavy meson decays: nonfactorizable soft gluons in nonleptonic heavy meson decays},
author = {B. Tseng and Hsiang-nan Li},
journal= {arXiv preprint arXiv:hep-ph/9712527},
year = {2007}
}
Comments
5 pages. talk given at the APCTP workshop: Pacific Particle physics Phenomenology 31 Oct.-2 Nov.,1997,Seoul, Korea