Pentaquark and tetraquark states

YR Liu, HX Chen, W Chen, X Liu, SL Zhu - Progress in Particle and …, 2019 - Elsevier
The past seventeen years have witnessed tremendous progress on the experimental and
theoretical explorations of the multiquark states. The hidden-charm and hidden-bottom …

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 …

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 …

Higher charmonia and , , states with screened potential

BQ Li, KT Chao - Physical Review D—Particles, Fields, Gravitation, and …, 2009 - APS
We incorporate the color-screening effect due to light quark pair creation into the heavy
quark-antiquark potential, and investigate the effects of screened potential on the spectrum …

[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 …

Charmonium spectrum and electromagnetic transitions with higher multipole contributions

WJ Deng, H Liu, LC Gui, XH Zhong - Physical Review D, 2017 - APS
The charmonium spectrum is calculated with two nonrelativistic quark models, the linear
potential model, and the screened potential model. Using the obtained wave functions, we …

Heavy hadrons in nuclear matter

A Hosaka, T Hyodo, K Sudoh, Y Yamaguchi… - Progress in Particle and …, 2017 - Elsevier
Current studies on heavy hadrons in nuclear medium are reviewed with a summary of the
basic theoretical concepts of QCD, namely chiral symmetry, heavy quark spin symmetry, and …

An overview of XYZ new particles

X Liu - Chinese Science Bulletin, 2014 - Springer
In the past decade, more and more charmoniumlike and bottomoniumlike states have been
reported in experiments, which have led us to extensive discussions on the underlying …