Newly discovered particle outshines protons, neutrons with double the charm - CSMonitor.com
Quark - Wikipedia
Charm quark - Wikipedia
This is the first known particle with four of the same kind of quark
A strange quark plasma – Physics World
What Are Charm Quarks And Why Are They So Bizarre? | IFLScience
Large Hadron Collider announces discovery of three new 'exotic particles' | Daily Mail Online
Belle discovers new heavy 'exotic hadrons'
Charm Quarks Offer Clues to Confinement | BNL Newsroom
Quark: Learn it's Definition, Properties, Types, Discovery here
quark
How many quarks would a charm quark charm if a charm quark could charm quarks? | Skulls in the Stars
Charm quark | symmetry magazine
Inside the Proton, the 'Most Complicated Thing' Imaginable | Quanta Magazine
Weird quantum experiment shows protons have more 'charm' | Space
Particle physics: Surprise discovery reveals charm quark within the proton | New Scientist
Ask Ethan: Do protons really contain charm quarks? - Big Think
Observation of a four-charm-quark tetraquark
New exotic matter particle, a tetraquark, discovered
Physics - A Doubly Charming Particle
schoolphysics ::Welcome::
Hunting down forbidden decays of the top quark | ATLAS Experiment at CERN
New exotic matter particle, a tetraquark, discovered
