constituent quark

См. также в других словарях:

• Constituent quark — A constituent quark is a current quark with a covering. In the low energy limit of QCD, a description by means of perturbation theory is not possible. Here, no Asymptotic freedom exists, but the interactions between valence quarks and sea quarks… …   Wikipedia

• Constituent — or constituency may refer to: Contents 1 In politics 2 In the physical sciences 3 Other meanings 4 See also In …   Wikipedia

• 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

• Quark star — A quark star or strange star is a hypothetical type of exotic star composed of quark matter, or strange matter. These are ultra dense phases of degenerate matter theorized to form inside particularly massive neutron stars. It is theorized that… …   Wikipedia

• quark — A fundamental particle believed to be the primary constituent of all mesons and baryons; quarks have a charge that is a fraction of 1 electron charge and interact through electromagnetic and nuclear forces. Six varieties are thought to exist with …   Medical dictionary

• Current quark mass — The current quark mass is also called the mass of the naked quarks. The mass of the current quark is reduced by the term of the constituent quark covering mass. The current quark mass is a logical consequence of the mathematical formalism of the… …   Wikipedia

• Current quark — Current quarks (also called naked quarks or bare quarks) are defined as the constituent quark cores (constituent quarks with no covering) of a valence quark.[1] If, in one constituent quark, the current quark is hit inside the covering with large …   Wikipedia

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

• s quark — Physics. See strange quark. [1975 80] * * * s quark, = strange quark: (Cf. ↑strange quark) »An s quark and an s antiquark…respectively carry strangeness quantum numbers of ―1 and + 1 (Scientific American). squark «skwrk», noun. Nuclear Physics. a …   Useful english dictionary

• down quark — down′ quark n. phs the quark having electric charge −? times the electron s charge and together with the up quark being a constituent of nucleons • Etymology: 1975–80 …   From formal English to slang

• up quark — up′ quark n. phs the quark having electric charge? times the electron s charge and together with the down quark being a constituent of nucleons • Etymology: 1975–80 …   From formal English to slang