https://doi.org/10.1051/epjconf/201819200044
Exotic Tetraquark Mesons in Large-Nc Limit: an Unexpected Great Surprise
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
Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, Université Paris-Saclay,
91405 Orsay Cedex,
France
* e-mail: Wolfgang.Lucha@oeaw.ac.at
** e-mail: dmitri_melikhov@gmx.de
*** e-mail: sazdjian@ipno.in2p3.fr
Published online: 14 November 2018
Two-ordinary-meson scattering in large-Nc QCD implies consistency criteria for intermediate-tetraquark contributions. Their fulfilment at Nc-leading order constrains the nature of the spectrum of genuinely exotic tetraquark states.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
