Observation of the Dalitz Decay $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$
High Energy Physics - Experiment
2015-05-27 v1
Abstract
Using 586 of collision data acquired at GeV with the CLEO-c detector at the Cornell Electron Storage Ring, we report the first observation of with a significance of . The ratio of branching fractions is measured to be , which is consistent with theoretical expectations.
Cite
@article{arxiv.1104.3265,
title = {Observation of the Dalitz Decay $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$},
author = {D. Cronin-Hennessy and J. Hietala and S. Dobbs and Z. Metreveli and K. K. Seth and A. Tomaradze and T. Xiao and L. Martin and A. Powell and G. Wilkinson and H. Mendez and J. Y. Ge and D. H. Miller and I. P. J. Shipsey and B. Xin and G. S. Adams and D. Hu and B. Moziak and J. Napolitano and K. M. Ecklund and J. Insler and H. Muramatsu and C. S. Park and L. J. Pearson and E. H. Thorndike and S. Ricciardi and C. Thomas and M. Artuso and S. Blusk and R. Mountain and T. Skwarnicki and S. Stone and L. M. Zhang and G. Bonvicini and D. Cinabro and A. Lincoln and M. J. Smith and P. Zhou and J. Zhu and P. Naik and J. Rademacker and D. M. Asner and K. W. Edwards and K. Randrianarivony and G. Tatishvili and R. A. Briere and H. Vogel and P. U. E. Onyisi and J. L. Rosner and J. P. Alexander and D. G. Cassel and S. Das and R. Ehrlich and L. Gibbons and S. W. Gray and D. L. Hartill and B. K. Heltsley and D. L. Kreinick and V. E. Kuznetsov and J. R. Patterson and D. Peterson and D. Riley and A. Ryd and A. J. Sadoff and X. Shi and W. M. Sun and J. Yelton and P. Rubin and N. Lowrey and S. Mehrabyan and M. Selen and J. Wiss and J. Libby and M. Kornicer and R. E. Mitchell and M. R. Shepherd and C. M. Tarbert and D. Besson and T. K. Pedlar},
journal= {arXiv preprint arXiv:1104.3265},
year = {2015}
}