Entanglement is a fundamental property of the quantum world. It occurs when two particles become inextricably linked, such ...

Seventy-six new particles have been discovered at the Large Hadron Collider (LHC) so far: the Higgs boson, 52 conventional ...

Marek Karliner and Jonathan Rosner ask what makes tetraquarks and pentaquarks tick, revealing them to be at times exotic ...

Some scientists claim X(3872) could be a tetraquark, which is a composite particle (hadron) made up of two quarks and two antiquarks. For comparison, protons and neutrons are hadrons with three ...

Atomic nuclei, composed of protons and neutrons, hide quarks and gluons at their core. These latter particles, still challenging to study, have long eluded scientists. In the mid-20th century, ...