The hidden-charm pentaquark and tetraquark states

HX Chen, W Chen, X Liu, SL Zhu - Physics Reports, 2016 - Elsevier
In the past decade many charmonium-like states were observed experimentally. Especially
those charged charmonium-like Z c states and bottomonium-like Z b states cannot be …

Chiral perturbation theory for heavy hadrons and chiral effective field theory for heavy hadronic molecules

L Meng, B Wang, GJ Wang, SL Zhu - Physics Reports, 2023 - Elsevier
Chiral symmetry and its spontaneous breaking play an important role both in the light
hadron and heavy hadron systems. The chiral perturbation theory (χ PT) is the low energy …

A review of the open charm and open bottom systems

HX Chen, W Chen, X Liu, YR Liu… - Reports on Progress in …, 2017 - iopscience.iop.org
Since the discovery of the first charmed meson in 1976, many open-charm and open-bottom
hadrons were observed. In 2003 two narrow charm-strange states $ D_ {s0}^{\ast}(2317) …

Opportunities in flavour physics at the HL-LHC and HE-LHC

A Cerri, VV Gligorov, S Malvezzi, JM Camalich… - arxiv preprint arxiv …, 2018 - arxiv.org
Motivated by the success of the flavour physics programme carried out over the last decade
at the Large Hadron Collider (LHC), we characterize in detail the physics potential of its High …

Tetra-and penta-quark structures in the constituent quark model

G Yang, J **, J Segovia - Symmetry, 2020 - mdpi.com
With the development of high energy physics experiments, a large amount of exotic states in
the hadronic sector have been observed. In order to shed some light on the nature of the …

Double-heavy tetraquarks

G Yang, J **, J Segovia - Physical Review D, 2020 - APS
In the framework of the chiral quark model along with complex scaling range, we perform a
dynamical study on the low-lying S-wave double-heavy tetraquark states (QQ q¯ q¯, Q= c, b …

[HTML][HTML] Nature of the doubly-charmed tetraquark Tcc+ in a constituent quark model

PG Ortega, J Segovia, DR Entem, F Fernandez - Physics Letters B, 2023 - Elsevier
The recently discovered T c c+ is evaluated as a DD⁎ molecular structure in the JP= 1+
sector. A coupled-channels calculation in charged basis, considering the D 0 D⁎+, D+ D⁎ 0 …

Bottomonium spectrum revisited

J Segovia, PG Ortega, DR Entem, F Fernández - Physical Review D, 2016 - APS
We revisit the bottomonium spectrum motivated by the recently exciting experimental
progress in the observation of new bottomonium states, both conventional and …

[HTML][HTML] Compositeness of S-wave weakly-bound states from next-to-leading order Weinberg's relations

M Albaladejo, J Nieves - The European Physical Journal C, 2022 - Springer
We discuss a model-independent estimator of the likelihood of the compositeness of a
shallow S-wave bound or virtual state. The approach is based on an extension of …

Hidden-charm tetraquarks with strangeness in the chiral quark model

G Yang, J **, J Segovia - Physical Review D, 2021 - APS
The hidden-charm tetraquarks with strangeness, cc¯ sq¯(q= u, d), in JP= 0+, 1+, and 2+ are
systematically investigated in the framework of real-and complex-scaling range of a chiral …