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 …

In the past two decades, a plethora of hadronic states beyond the conventional quark model
of qq ̄ mesons and qqq baryons have been observed experimentally, which motivated …

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) …

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The large number of B c mesons observed by LHCb suggests a sizable cross section for
producing doubly heavy baryons in the same experiment. Motivated by this, we estimate …

A quark model is applied to the spectrum of baryons containing heavy quarks. The model
gives masses for the known heavy baryons that are in agreement with experiment, but for …

Dramatic progress has been made over the last decade in the numerical study of quantum
chromodynamics (QCD) through the use of improved formulations of QCD on the lattice …

About 120 baryons and baryon resonances are known, from the abundant nucleon with u
and d light-quark constituents up to the Ξ b−=(bsd), which contains one quark of each …

We calculate the masses of baryons containing one, two, or three heavy quarks using lattice
QCD. We consider all possible combinations of charm and bottom quarks, and compute a …

The existence of doubly heavy flavor baryons has not been well established experimentally
so far. In this Letter we systematically investigate the weak decays of the doubly charmed …