quantum chromodynamics

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quantum chromodynamics

n. (used with a sing. verb)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quantum chromodynamics

n (functioning as singular)
(Atomic Physics) physics a theory describing the strong interaction in terms of quarks and gluons, with the colour of quarks used as an analogue of charge and the gluon as an analogue of the photon. Abbreviation: QCD
[C20: chromodynamics from chromo- (referring to quark colour) + dynamics, modelled on quantum electrodynamics]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

quan′tum chro•mo•dy•nam′ics

(ˌkroʊ moʊ daɪˈnæm ɪks)
n.
(used with a sing. v.) a quantum theory of the interactions of quarks and gluons in which the color of quarks is analogous to electric charge. Abbr.: QCD
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quantum chromodynamics - a theory of strong interactions between elementary particles (including the interaction that binds protons and neutrons in the nucleus); it assumes that strongly interacting particles (hadrons) are made of quarks and that gluons bind the quarks together
quantum field theory - the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states
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References in periodicals archive ?
(i) generate pa [right arrow] Nlj QED = 3 QCD = 0 (QED (Quantum Electrodynamic) processes switches the QED interactions with photon, W and Z bosons, QED = 3 means the order of the interaction whereas QCD stands for the Quantum Chromodynamic processes with QCD= 0 being the order of the interaction.)
- Modeling of quantum chromodynamic research for nuclear interactions (BQCD).
Among their topics are a schematic model of baryons and mesons, on the way from sakatons to quarks, from symmetries to quarks and beyond, insights and puzzles in particle physics, the analytical determination of the quantum chromodynamic quark masses, quark mass hierarchy and flavor mixing puzzles, quark elastic scattering as a source of high transverse momentum mesons, exclusive processes and the fundamental structure of hadrons, lessons from supersymmetry: "instead-of-confinement" mechanisms, and quarks and a unified field theory of nature's fundamental forces.
This will then be fully capable of producing the true universal equation of motion of the unified fields as a whole in a single package (including the electromagnetic Lorentz equation of motion and the chromodynamic Yang-Mills equation of motion) and the nature of pure geometric motion--kinemetricity--of the cosmos will be revealed.
The final set of papers deals with astrophysics and includes discussions of quantum gravity, micro-structure of spacetime, and the origin of the universe; two strong radio bursts at high and medium galactic latitude, and effects of quantum chromodynamic phase transition on the ejected elements from the envelopes of compact stars.
"They show interesting phenomena, but this is the sort of dynamics that quantum chromodynamic theory isn't equipped to handle yet."
Lepage, "Quantum chromodynamic predictions for the deuteron form factor," Physical Review Letters, vol.
The main goal of the high energy heavy-ion collisions is to study the phase structure of the quantum chromodynamic (QCD) phase diagram at finite temperature (T) and baryon chemical potential ([[mu].sub.B]) [1-5].