EPJ Web Conf.
Volume 137, 2017XIIth Quark Confinement and the Hadron Spectrum
|Number of page(s)||8|
|Section||Section B: Light Quarks|
|Published online||22 March 2017|
On the description of exotic hadron states within QCD sum rules
1 Institute for High Energy Physics, Austrian Academy of Sciences, Nikolsdorfergasse 18, A-1050 Vienna, Austria
2 Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria
3 D. V. Skobeltsyn Institute of Nuclear Physics, M. V. Lomonosov Moscow State University, 119991, Moscow, Russia
Published online: 22 March 2017
Revisiting the QCD sum-rule description of exotic hadron states, we argue that, in order to arrive at trustable analyses of, for instance, strong decay widths of multiquarks, it is inevitable to adopt the QCD sum-rule approach beyond the leading perturbative level.
© The Authors, published by EDP Sciences, 2017
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