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 …

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 …

Quantum chromodynamics, the theory of the strong force, describes interactions of coloured
quarks and gluons and the formation of hadronic matter. Conventional hadronic matter …

Quantum Chromodynamics, the theory of quarks and gluons, whose interactions can be
described by a local SU (3) gauge symmetry with charges called “color quantum numbers” …

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 …

The LHCb Upgrade II will fully exploit the flavour-physics opportunities of the HL-LHC, and
study additional physics topics that take advantage of the forward acceptance of the LHCb …

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 …

The doubly charmed baryon decay Ξ cc++→ Ξ c+ π+ is observed for the first time, with a
statistical significance of 5.9 σ, confirming a recent observation of the baryon in the Λ c+ K …

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Using a relativized diquark model Hamiltonian, we calculate the masses of J^ PC= 0^++ J
PC= 0++ ground-state tetraquarks in the following systems: bs ̄ b ̄ s bsb¯ s¯, bb ̄ n ̄ n …