https://doi.org/10.1051/epjconf/201612900026
Heavy-Meson Decay Constants: QCD Sum-Rule Glance at Isospin Breaking
1 Institute for High Energy Physics, Austrian Academy of Sciences, Nikolsdorfergasse 18, A-1050 Vienna, Austria
2 D. V. Skobeltsyn Institute of Nuclear Physics, M. V. Lomonosov Moscow State University, 119991, Moscow, Russia
3 Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria
4 INFN, Sezione di Roma Tre, Via della Vasca Navale 84, I-00146 Roma, Italy
* e-mail: Wolfgang.Lucha@oeaw.ac.at
** e-mail: dmitri_melikhov@gmx.de
*** e-mail: simula@roma3.infn.it
Published online: 25 November 2016
QCD sum rules for decay constants of heavy mesons with u or d quark yield for B mesons much less isospin breaking than lattice QCD but good agreement for D mesons.
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
