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| 001 | 622900 | ||
| 005 | 20250723105727.0 | ||
| 024 | 7 | _ | |a 10.22323/1.466.0107 |2 doi |
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| 100 | 1 | _ | |a Jorge Juan, Baeza Ballesteros |0 P:(DE-H253)PIP1112997 |b 0 |e Corresponding author |u desy |
| 111 | 2 | _ | |a 41st International Symposium on Lattice Field Theory |g Lattice2024 |c Liverpool |d 2024-07-29 - 2024-08-03 |w UK |
| 245 | _ | _ | |a Results on meson-meson scattering at large $N_\mathrm{c}$ |
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| 490 | 0 | _ | |a 2874436 |2 Author |
| 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. |
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| 773 | _ | _ | |a 10.22323/1.466.0107 |0 PERI:(DE-600)2642026-0 |p 107 |t Proceedings of Science / International School for Advanced Studies |v (LATTICE2024) |y 2025 |x 1824-8039 |
| 787 | 0 | _ | |a Baeza Ballesteros, Jorge et.al. |d 2025 |i IsParent |0 PUBDB-2025-01100 |r arXiv:2501.19115 ; DESY-25-018 ; MIT-CTP/5834 |t Results on meson-meson scattering at large $N_\mathrm{c}$ |
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