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001     625326
005     20250323131238.0
024 7 _ |a Baeza-Ballesteros:2025obw
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024 7 _ |a arXiv:2501.19115
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024 7 _ |a 10.3204/PUBDB-2025-01100
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037 _ _ |a PUBDB-2025-01100
041 _ _ |a English
082 _ _ |a 530
088 _ _ |a arXiv:2501.19115
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088 _ _ |a DESY-25-018
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088 _ _ |a MIT-CTP/5834
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100 1 _ |a Baeza Ballesteros, Jorge
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245 _ _ |a Results on meson-meson scattering at large $N_\mathrm{c}$
260 _ _ |c 2025
336 7 _ |a Preprint
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336 7 _ |a WORKING_PAPER
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336 7 _ |a Electronic Article
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336 7 _ |a preprint
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336 7 _ |a ARTICLE
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336 7 _ |a Output Types/Working Paper
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500 _ _ |a 11 pages, 5 figures. Talk presented at the 41st International Symposium on Lattice Field Theory (Lattice2024), 28 July - 3 August 2024, Liverpool, UK
520 _ _ |a We present results on the large $N_\text{c}$ scaling of meson-meson scattering amplitudes. We work in a theory with $N_\text{f}=4$ degenerate quark flavors and run lattice simulations with $N_\text{c}=3-6$ and pion mass $M_\pi\approx 590$ MeV. We focus on three different scattering channels, two of which have the same quantum numbers as some tetraquark candidates recently found at LHCb. Finite-volume energies are extracted using a large set of operators, containing two-particle operators corresponding to two pions or two vector mesons, and local tetraquark operators. Using Lüscher's quantization condition, we constrain the infinite-volume scattering amplitudes and investigate subleading $N_\text{c}$ corrections to the large $N_\text{c}$ limit. For one of the channels, we find indications of a virtual bound state at $N_\text{c}=3$, which may be related to one of the aforementioned exotic states.
536 _ _ |a 611 - Fundamental Particles and Forces (POF4-611)
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536 _ _ |a HIDDeN - Hunting Invisibles: Dark sectors, Dark matter and Neutrinos (860881)
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536 _ _ |a ASYMMETRY - Essential Asymmetries of Nature (101086085)
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536 _ _ |a DFG project G:(GEPRIS)247250619 - 2-Photonen Mikroskopie Plattform: Aufrechtes 2-Photonenmikroskop inkl. Laserpaket (247250619)
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700 1 _ |a Hernández, Pilar
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700 1 _ |a Romero-López, Fernando
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910 1 _ |a Deutsches Elektronen-Synchrotron
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913 1 _ |a DE-HGF
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