Fateful Chair token charm particle ~ side Police station Martyr
Evidence at last that the proton has intrinsic charm
Twice the charm: long-lived exotic particle discovered | CERN
New 'doubly charming' particle could help unlock the secrets of how matter is built | Live Science
Particle Zoo: Charm quark plush toy | Elementary particle, Science gifts, Quantum world
KEK:PRESS Release (BellePress)
Why do strange quarks have that name? What happens when strange quarks get in contact with an ordinary matter (electrons, protons, atoms, molecules)? - Quora
Charm quark | symmetry magazine
Newfound particle relies on its charm(s)
Particle physics: Surprise discovery reveals charm quark within the proton | New Scientist