An updated review of the new hadron states

HX Chen, W Chen, X Liu, YR Liu… - Reports on Progress in …, 2022 - iopscience.iop.org
The past decades witnessed the golden era of hadron physics. Many excited open heavy
flavor mesons and baryons have been observed since 2017. We shall provide an updated …

Electron-ion collider in China

DP Anderle, V Bertone, X Cao, L Chang, N Chang… - Frontiers of …, 2021 - Springer
Lepton scattering is an established ideal tool for studying inner structure of small particles
such as nucleons as well as nuclei. As a future high energy nuclear physics project, an …

Averages of -hadron, -hadron, and -lepton properties as of 2021

Y Amhis, S Banerjee, E Ben-Haim, E Bertholet… - Physical Review D, 2023 - APS
This paper reports world averages of measurements of b-hadron, c-hadron, and τ-lepton
properties obtained by the Heavy Flavor Averaging Group using results available before …

Observation of an exotic narrow doubly charmed tetraquark

Nature Physics, 2022 - nature.com
Conventional, hadronic matter consists of baryons and mesons made of three quarks and a
quark–antiquark pair, respectively,. Here, we report the observation of a hadronic state …

Study of the doubly charmed tetraquark

Nature Communications, 2022 - nature.com
Quantum chromodynamics, the theory of the strong force, describes interactions of coloured
quarks and gluons and the formation of hadronic matter. Conventional hadronic matter …

The ALICE experiment: a journey through QCD

ALICE Collaboration alice-publications@ cern … - The European Physical …, 2024 - Springer
The ALICE experiment was proposed in 1993, to study strongly-interacting matter at extreme
energy densities and temperatures. This proposal entailed a comprehensive investigation of …

Observation of structure in the J/ψ-pair mass spectrum

LHCb Collaboration - Science bulletin, 2020 - Elsevier
Using proton-proton collision data at centre-of-mass energies of s= 7, 8 and 13 TeV
recorded by the LHCb experiment at the Large Hadron Collider, corresponding to an …

Averages of b-hadron, c-hadron, and -lepton properties as of 2018: Heavy Flavor Averaging Group (HFLAV)

Y Amhis, S Banerjee, E Ben-Haim… - The European Physical …, 2021 - Springer
This paper reports world averages of measurements of b-hadron, c-hadron, and τ τ-lepton
properties obtained by the Heavy Flavour Averaging Group using results available through …

Observation of New Resonances Decaying to and

R Aaij, C Abellán Beteta, T Ackernley, B Adeva… - Physical Review Letters, 2021 - APS
The first observation of exotic states with a new quark content cc¯ us¯ decaying to the J/ψ
K+ final state is reported with high significance from an amplitude analysis of the B+→ J/ψ ϕ …

The XYZ states: experimental and theoretical status and perspectives

N Brambilla, S Eidelman, C Hanhart, A Nefediev… - Physics reports, 2020 - Elsevier
The quark model was formulated in 1964 to classify mesons as bound states made of a
quark–antiquark pair, and baryons as bound states made of three quarks. For a long time all …