Particle physics: Surprise discovery reveals charm quark within

The textbook description of a proton says it contains three smaller particles - two up quarks and a down quark - but a new analysis has found strong evidence that it also holds a charm quark

New and Surprising Duality Discovered in Theoretical Particle Physics

Charm Quarks Offer Clues to Confinement

Ask Ethan: Do protons really contain charm quarks? - Big Think

A primer on the evolution of particle physics and the search for the fundamental building blocks of matter, this book presents the full current body

The Charm of Strange Quarks: Mysteries and Revolutions of Particle Physics

4 The Past 25 Years: Establishing the Standard Model, Elementary-Particle Physics: Revealing the Secrets of Energy and Matter

Observation of an exotic narrow doubly charmed tetraquark

Section 5: Explore New Paradigms in Physics 2023 P5 Report: Exploring the Quantum Universe

Belle discovers new heavy 'exotic hadrons

Exploring the Quark Mass Plane with Open Boundaries: Gauss Centre for Supercomputing e.V.

What is the difference between up and top quarks? - Quora

Physics - Landmarks—The Charming Debut of a New Quark