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dc.contributor.authorBagan, Een
dc.contributor.authorLavelle, Men
dc.contributor.authorMcMullan, Den
dc.contributor.authorFiol, Ben
dc.contributor.authorRoy, Nen
dc.description4 pages, latex, needs sprocl.styen

This talk reports on work aimed at improving our understanding of charged states in gauge theories.Emphasis is placed on different ways of implementingthe gauge invariance of physical states. QED perturbative calculations are used to stress that gauge invariance is not enough: only a subset of such states have a direct physical significance. In QCD a non-perturbative obstruction means that quarks and gluons cannot form physical states and as such these particles are not truely observables. This sets a fundamental limit on the constituent quark model.

dc.titleConstruction and Consequences of Coloured Charges in QCDen
dc.typeJournal Article
plymouth.journalPublished in the proceedings of the workshop on Quantum Chromodynamics: Collisions, Confinement and Chaos, Editors H.M. Fried and B. Mueller, World Scientific 1997en
plymouth.organisational-group/Plymouth/00 Groups by role
plymouth.organisational-group/Plymouth/00 Groups by role/Academics
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Computing, Electronics and Mathematics
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA10 Mathematical Sciences
dc.rights.embargoperiodNot knownen
rioxxterms.typeJournal Article/Reviewen

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