The physical meaning of scattering matrix singularities in coupled-channel formalisms (CROSBI ID 138126)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Capstick, S. ; Švarc, Alfred ; Tiator, L. ; Gegelia, J. ; Giannini, M. M. ; Santopinto, E. ; Hanhart, C. ; Scherer, S. ; Lee, T.-S. H. ; Sato, T. ; Suzuki, N.
engleski
The physical meaning of scattering matrix singularities in coupled-channel formalisms
The physical meaning of bare and dressed scattering matrix singularities has been investigated. Special attention has been attributed to the role of the well-known invariance of the scattering matrix with respect to the field transformation of the effective Lagrangian. Examples of evaluating bare and dressed quantities in various models are given.
coupled-channel formalisms ; bare and dressed singularities
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Podaci o izdanju
35 (3)
2008.
253-266
objavljeno
1434-6001
1434-601X
10.1140/epja/i2007-10576-1
