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Tetraquark and two-meson states at large [Formula: see text]
Considering four-point correlation functions of color-singlet quark bilinears, we investigate, in the large-[Formula: see text] limit of QCD, the subleading diagrams that involve, in the s-channel of meson–meson scattering amplitudes, two-quark–two-antiquark intermediate states. The latter contribut...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Springer Berlin Heidelberg
2017
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5729203/ https://www.ncbi.nlm.nih.gov/pubmed/29276428 http://dx.doi.org/10.1140/epjc/s10052-017-5437-x |