Progress on R measurement through ISR with BaBar
High Energy Physics - Experiment
2009-11-10 v1
Abstract
The status of the ISR analysis with BaBar is presented. Preliminary results are given on the process e+e- --> 2pi+ 2pi- and J/psi decays including a determination of its total width and the branching ratios into 2pi+ 2pi-, K+ K- pi+ pi-, and 2K+ 2K- modes.
Cite
@article{arxiv.hep-ex/0312063,
title = {Progress on R measurement through ISR with BaBar},
author = {Michel Davier},
journal= {arXiv preprint arXiv:hep-ex/0312063},
year = {2009}
}
Comments
6 pages, 6 figures, proceedings of the SIGHAD03 workshop (Pisa, October 2003) on e+e- annihilation cross sections at low energy