A large number of experimental discoveries especially in the heavy quarkonium sector that
did not meet the expectations of the until then very successful quark model led to a …

The last decade has seen a marked shift in how the internal structure of hadrons is
understood. Modern experimental facilities, new theoretical techniques for the continuum …

A golden age for heavy-quarkonium physics dawned a decade ago, initiated by the
confluence of exciting advances in quantum chromodynamics (QCD) and an explosion of …

The quantum numbers of the X (3872) meson are determined to be JPC= 1++ based on
angular correlations in B+→ X (3872) K+ decays, where X (3872)→ π+ π-J/ψ and J/ψ→ μ+ μ …

A bstract We present an implementation of the vector boson pair production processes ZZ,
W+ W− and WZ within the POWHEG framework, which is a method that allows the …

We predict several new exotic doubly heavy hadronic resonances, inferring from the
observed exotic bottomoniumlike and charmoniumlike narrow states X (3872), Z b (10610) …

Quantum chromodynamics (QCD), the generally accepted theory for strong interactions,
describes the interactions between quarks and gluons. The strongly interacting particles that …

We study the e+ e-→ γ ω J/ψ process using 11.6 fb-1 e+ e-annihilation data taken at center-
of-mass energies from s= 4.008 GeV to 4.600 GeV with the BESIII detector at the BEPCII …

We study initial-state radiation events, e+ e-→ γ ISR π+ π-J/ψ, with data collected with the
BABAR detector. We observe an accumulation of events near 4.26 GeV/c 2 in the invariant …

Heavy-light diquarks can be the building blocks of a rich spectrum of states which can
accommodate some of the newly observed charmoniumlike resonances not fitting a pure …