Studies of D^+ -> {eta', eta, phi} e^+ nu_e
High Energy Physics - Experiment
2015-03-17 v3
Abstract
We report the first observation of the decay D^+ -> eta' e^+ nu_e in two analyses, which combined provide a branching fraction of B(D+ -> eta' e nu) = (2.16 +/- 0.53 +/- 0.07) x 10^{-4}. We also provide an improved measurement of B(D+ -> eta e nu) = (11.4 +/- 0.9 +/- 0.4) x 10^{-4}, provide the first form factor measurement, and set the improved upper limit B(D+ -> phi e nu) < 0.9 x 10^{-4} (90% C.L.).
Cite
@article{arxiv.1011.1195,
title = {Studies of D^+ -> {eta', eta, phi} e^+ nu_e},
author = {CLEO Collaboration and J. Yelton and P. Rubin and N. Lowrey and S. Mehrabyan and M. Selen and J. Wiss and M. Kornicer and R. E. Mitchell and M. R. Shepherd and C. M. Tarbert and D. Besson and T. K. Pedlar and J. Xavier and D. Cronin-Hennessy and J. Hietala and P. Zweber and S. Dobbs and Z. Metreveli and K. K. Seth and A. Tomaradze and T. Xiao and S. Brisbane and J. Libby and L. Martin and A. Powell and P. Spradlin 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 F. Yang and S. Ricciardi and C. Thomas and M. Artuso and S. Blusk and R. Mountain and T. Skwarnicki and S. Stone and J. C. Wang 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. Fields and L. Gibbons and R. Gray 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},
journal= {arXiv preprint arXiv:1011.1195},
year = {2015}
}
Comments
15 pages, 6 figures, available through http://www.lns.cornell.edu/public/CLNS/, submitted to PRD. Minor edits, added appendix with fit results using alternate form factor parameterizations