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In theoretical physics, quantum chromodynamics (QCD) is the study of the strong interaction between quarks mediated by gluons. Quarks are fundamental particles that make up composite hadrons such as the proton, neutron and pion. QCD is a type of quantum field theory called a non-abelian gauge theory, with symmetry group SU(3).
Learn about the strong force, quarks, gluons, color charge, and the history of QCD. Explore the particle zoo, the color field, and the Rutherford-style scattering experiments that led to the discovery of quarks.
Learn about the theory of the strong force that acts on quarks and gluons, the force-carrier particles of colour charge. Find out how QCD explains the short-range and confined nature of the strong force and its analogy with QED.
A series of lectures on the basics of perturbative quantum chromodynamics and some applications to high-energy collisions. Learn about gauge invariance, Feynman rules, renormalization, running coupling, jets, DIS, W and Z production, and more.
- 495KB
- Michelangelo L Mangano
- 44
- 1999
Learn the basics of quantum chromodynamics (QCD), the theory of strong interactions, from quark model to perturbative QCD. The lectures cover topics such as factorization, evolution equations, and violations of Bjorken scaling.
- 2MB
- 30
Dec 21, 2022 · A comprehensive review of QCD theory and experiments from 1972 to 2022, covering topics such as lattice QCD, effective field theories, quark structure, colliders, weak decays and future prospects. The paper is intended for Ph.D. students and postdocs in high energy physics.
May 19, 2021 · Antiquarks can be thought of as having the colors antired, antigreen, and antiblue, also known as cyan, magenta, and yellow. Because of this, the theory of quarks and gluons is called quantum chromodynamics. Counting all color and flavor combinations, there are 6 × 3 = 18 known varieties of quarks.
