26-31 July 2021
Mexico City
Mexico/General timezone
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Analysis tools-2

Place

Location: Mexico City
Date: 27 Jul 11:15 - 13:15

Conveners

    • Pappagallo, Marco (INFN & University of Bari)

Timetable | Contribution List

Displaying 4 contributions out of 4
Type: Leading parallel Session: Analysis tools-2
Track: Analysis Tools
In this work, we propose a new phenomenological model suited to all SU(3) mesonic two-body final-state interactions up to energies around 2 GeV to replace the isobar model. We show that the new model provides a clear indication of the mechanism responsible for the sharp rise observed in the ππ phase around 1 GeV. The phenomenological amplitudes proposed here are suited to any number of resonance ... More
Presented by Dr. Patricia MAGALHAES on 27/7/2021 at 16:15
Type: Leading parallel Session: Analysis tools-2
Track: Analysis Tools
Lattice QCD offers a systematic pathway to numerically compute the resonant hadronic spectrum from first principles. A set of integral equations connects the short-distance dynamics computed from lattice QCD to on-shell infinite-volume scattering amplitudes. In this talk, I will discuss recent progress in determining three-hadron scattering amplitudes from lattice QCD, focusing on our recent study ... More
Presented by Dr. Andrew JACKURA on 27/7/2021 at 16:40
Type: Leading parallel Session: Analysis tools-2
Track: Analysis Tools
Within the framework of the massive O($N$) nonlinear sigma model extended to the next-to-leading order in the chiral counting (for $N=3$ corresponding to the two(-quark)-flavour Chiral Perturbation Theory), we calculate the relativistic six-pion scattering amplitude at low energy up-to-and-including terms $\mathcal{O}(p^6)$. The result for the four-pion amplitude in the case of $N$ (meson) flavou ... More
Presented by Tomas HUSEK on 27/7/2021 at 17:30
Type: Leading parallel Session: Analysis tools-2
Track: Analysis Tools
We will discuss non-perturbative descriptions of three-body decays in hadronic systems and their application to parameterize physics beyond the Standard Model. First, we apply a novel implementation of three-body unitarity, based on a Bethe-Salpeter ansatz, to $\omega/\phi\to 3\pi$ and compare the results to the established dispersive framework of Khuri-Treiman equations on a quantitative level. W ... More
Presented by Mr. Mehmet Hakan AKDAG on 27/7/2021 at 17:05
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