QCD and the strange baryon spectrum

T Hyodo, M Niiyama - Progress in Particle and Nuclear Physics, 2021 - Elsevier
The strange quark plays a unique role in QCD, reflecting its intermediate mass between the
light and heavy quarks. In recent years, remarkable progress has been made in the …

Review of the low-lying excited baryons Σ*(1/2−)

E Wang, LS Geng, JJ Wu, JJ Xie… - Chinese Physics …, 2024 - iopscience.iop.org
Strong empirical and phenomenological indications exist for large sea-quark admixtures in
the low-lying excited baryons. Investigating the low-lying excited baryon Σ*(1/2−) is …

Heavy quark spin symmetric molecular states from and other coupled channels in the light of the recent LHCb pentaquarks

CW Xiao, J Nieves, E Oset - Physical Review D, 2019 - APS
We consider the D¯(*) Σ c (*) states, together with J/ψ N and other coupled channels, and
take an interaction consistent with heavy quark spin symmetry, with the dynamical input …

Tomography of the quark-gluon plasma by charm quarks

T Song, H Berrehrah, D Cabrera, JM Torres-Rincon… - Physical Review C, 2015 - APS
We study charm production in ultrarelativistic heavy-ion collisions by using the parton-
hadron-string dynamics (PHSD) transport approach. The initial charm quarks are produced …

Combining heavy quark spin and local hidden gauge symmetries in<? format?> the dynamical generation of hidden charm baryons

CW Xiao, J Nieves, E Oset - Physical Review D—Particles, Fields, Gravitation …, 2013 - APS
We present a coupled channel unitary approach to obtain states dynamically generated from
the meson-baryon interaction with hidden charm, using constraints of heavy quark spin …

Looking for a hidden-charm pentaquark state with strangeness from decay into

HX Chen, LS Geng, WH Liang, E Oset, E Wang, JJ Xie - Physical Review C, 2016 - APS
Assuming that the recently observed hidden-charm pentaquark state, P c (4450), is of
molecular nature as predicted in the unitary approach, we propose to study the decay of Ξ …

Charmed and strange baryon resonances with heavy-quark spin symmetry

O Romanets, L Tolos, C García-Recio, J Nieves… - Physical Review D …, 2012 - APS
We study charmed and strange baryon resonances that are generated dynamically by a
unitary baryon-meson coupled-channel model which incorporates heavy-quark spin …

Hidden charm and resonances with heavy-quark symmetry

C García-Recio, J Nieves, O Romanets… - Physical Review D …, 2013 - APS
A model is developed to describe odd-parity baryon resonances generated dynamically
through a unitary baryon-meson coupled-channels approach. The scheme applies to …

Theoretical study of and in the Cabibbo-favored process

Y Li, SW Liu, E Wang, DM Li, LS Geng, JJ Xie - Physical Review D, 2024 - APS
Motivated by the recent experimental measurements, we have investigated the Cabibbo-
favored process Λ c+→ p K¯ 0 η, where the N (1535) resonance is dynamically generated …

[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 …