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Exotic Tetraquark Mesons in Large-$N_c$ Limit: an Unexpected Great Surprise

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arxiv 1808.05519 v1 pith:5MOSCILM submitted 2018-08-16 hep-ph

Wolfgang Lucha , Dmitri Melikhov , Hagop Sazdjian This is my paper · ORCID
classification hep-ph
keywords exoticlarge-tetraquarkconsistencyconstrainscontributionscriteriafulfilment
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abstract

Two-ordinary-meson scattering in large-$N_c$ QCD implies consistency criteria for intermediate-tetraquark contributions. Their fulfilment at $N_c$-leading order constrains the nature of the spectrum of genuinely exotic tetraquark states.

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Cited by 1 Pith paper

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  1. Flavour-Exotic Tetraquarks in Large-$N_{\rm c}$ QCD: Do They Exist?

    hep-ph 2019-08 conditional novelty 5.0 of 10

    Large-Nc QCD requires two flavour-exotic tetraquark states, but only one compact diquark-antidiquark configuration exists, so compact flavour-exotic tetraquarks likely do not exist.

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