Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-10-27
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX, 12 pages, CERN--TH-7035/93
Scientific paper
A gauge-symmetric approach to effective Lagrangians is described with special emphasis on derivations of effective low-energy Lagrangians from QCD. The examples we discuss are based on exact rewritings of cut-off QCD in terms of new collective degrees of freedom. These cut-off Lagrangians are thus ``effective'' in the sense that they explicitly contain some of the physical long-distance degrees of freedom from the outset.(Talk presented by P.H. Damgaard at the workshop on ``Quantum Field Theoretical Methods in High Energy Physics'', Kyffhauser, Germany, Sept. 1993. To appear in those proceedings).
Damgaard Poul H.
Nielsen Holger Bech
Sollacher Rudolf
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