Leptonic D and D_s Decays near c-cbar Threshold
High Energy Physics - Experiment
2011-06-15 v1
Abstract
We present recent results from the CLEO Collaboration on leptonic decay rates of and near production threshold. From these decay rates, we extract the decay constants, f_D = (222.6+-16.7^{+2.8}_{-3.4}) MeV, f_Ds = (274+-10+-5) MeV, and the ratio f_Ds/f_D = 1.23+-0.11+-0.03.
Cite
@article{arxiv.0711.2660,
title = {Leptonic D and D_s Decays near c-cbar Threshold},
author = {Steven R. Blusk},
journal= {arXiv preprint arXiv:0711.2660},
year = {2011}
}
Comments
6 pages, 6 figures, To be published in the proceedings of CHARM07, Ithaca, NY, August 5-8, 2007, eConf C070805