quark-antiquark scattering

См. также в других словарях:

• Quark — In physics, a quark (IPAEng|kwɔrk, IPAEng|kwɑːk or IPAEng|kwɑːrk) is a type of subatomic particle. [cite web |title=Fundamental Particles |publisher=Oxford Physics |url=http://www.physics.ox.ac.uk/documents/pUS/dIS/fundam.htm |accessdate=2008 06… …   Wikipedia

• Up quark — Infobox Particle bgcolour = name = Up Quark caption = num types = composition = Elementary particle family = Fermion group = Quark generation = First interaction = particle = antiparticle = theorized = discovered = symbol = mass = 1.5 3.3 MeV/c2… …   Wikipedia

• Down quark — Composition Elementary particle Statistics Fermionic Generation First Interactions Strong, Weak, Electromagnetic force, Gravity Symbol …   Wikipedia

• subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …   Universalium

• QCD vacuum — The QCD vacuum is the vacuum state of quantum chromodynamics (QCD). It is an example of a non perturbative vacuum state, characterized by many non vanishing condensates such as the gluon condensate or the quark condensate. These condensates… …   Wikipedia

• List of particles — This is a list of the different types of particles, known and hypothesized. For a chronological listing of subatomic particles by discovery date, see Timeline of particle discoveries. This is a list of the different types of particles found or… …   Wikipedia

• Parton (particle physics) — In particle physics, the parton model was proposed by Richard Feynman in 1969 as a way to analyze high energy hadron collisions. [R. P. Feynman, Proceedings of the 3rd Topical Conference on High Energy Collision of Hadrons, Stony Brook, N. Y.… …   Wikipedia

• Jet (particle physics) — A jet is a narrow cone of hadrons and other particles produced by the hadronization of a quark or gluon in a particle physics or heavy ion experiment. Because of QCD confinement, particles carrying a color charge, such as quarks, cannot exist in… …   Wikipedia

• Gluon — Infobox Particle bgcolour = name = Gluon caption = num types = 8 composition = Elementary particle family = Boson group = Gauge boson generation = interaction = Strong interaction theorized = discovered = symbol = g mass = 0 (theoretical value;… …   Wikipedia

• Asymptotic freedom — In physics, asymptotic freedom is the property of some gauge theories in which the interaction between the particles, such as quarks, becomes arbitrarily weak at ever shorter distances, i.e. length scales that asymptotically converge to zero (or …   Wikipedia

• Modèle des partons — Parton Pour les articles homonymes, voir Dolly Parton. En physique des particules, le modèle des partons a été proposé par Richard Feynman en 1969 pour décrire la structure des hadrons et modéliser les interactions avec les hadrons à haute… …   Wikipédia en Français