[HTML][HTML] The Ξ (1620) and Ξ (1690) molecular states from S=− 2 meson-baryon interaction up to next-to-leading order

A Feijoo, VV Cadenas, VK Magas - Physics Letters B, 2023 - Elsevier
We have studied the meson-baryon interaction in the neutral S=− 2 sector using an
extended Unitarized Chiral Perturbation Theory, which takes into account not only the …

New insights into the pole parameters of the Λ (1380), the Λ (1405) and the Σ (1385)

D Sadasivan, M Mai, M Döring, UG Meißner… - Frontiers in …, 2023 - frontiersin.org
A coupled-channel S-and P-wave next-to-leading order chiral-unitary approach for
strangeness S=− 1 meson-baryon scattering is extended to include the new data from the …

The theoretical study of reaction

A Xu, R Li, X Luo, H Sun - The European Physical Journal C, 2024 - Springer
We study the production of hyperon resonances in the\(p\bar {p}\rightarrow\bar
{\Lambda}\Sigma\eta\) reaction within an effective Lagrangian approach. The model …

[HTML][HTML] SU (3) flavor symmetry considerations for the K¯ N coupled channels system

PC Bruns, A Cieplý - Nuclear Physics A, 2022 - Elsevier
We study the impact of SU (3) flavor symmetry breaking on the properties of dynamically
generated Λ⁎ states within an effective separable potential model describing the coupled …

Bridging correlation and spectroscopy measurements to access the hadron interaction behind molecular states: the case of the (1620) and (1690) in the  …

A Feijoo, VM Sarti, J Nieves, A Ramos… - arXiv preprint arXiv …, 2024 - arxiv.org
We study the compatibility between the $ K^-\Lambda $ correlation function, recently
measured by the ALICE collaboration, and the LHCb $ K^-\Lambda $ invariant mass …

Constraining the low-energy meson-baryon interaction with two-particle correlations

V Mantovani Sarti, A Feijoo, I Vidaña, A Ramos… - Physical Review D, 2024 - APS
In this paper we present a novel method to extract information on hadron-hadron
interactions using for the first time femtoscopic data to constrain the low-energy constants of …

Constraining the low-energy S=-2 meson-baryon interaction with two-particle correlations

VM Sarti, A Feijoo, I Vidaña, A Ramos… - arXiv preprint arXiv …, 2023 - arxiv.org
The two-particle correlation technique applied to $ K^-\Lambda $ pairs in pp collisions at
LHC recently provided the most precise data on the strangeness $ S=-2$ meson-baryon …

The Theoretical Study of Reaction

A Xu, R Li, X Luo, H Sun - arXiv preprint arXiv:2404.17088, 2024 - arxiv.org
We study the production of hyperon resonances in the $ p\bar {p}\to\bar
{\Lambda}\Sigma\eta $ reaction within an effective Lagrangian approach. The model …

KN interaction, p-wave terms

A Feijoo, D Gazda, V Magas… - EPJ Web of …, 2022 - epj-conferences.org
The inclusion of new ingredients that are expected to be specially relevant at higher
energies could reveal more information about the physics behind the NLO terms of the chiral …