Unitary πNN theory with full dressing

A. N. Kvinikhidze, B. Blankleider

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


We present a formulation of the πNN problem where unitary equations are obtained without having to truncate the Hilbert space to some maximum number of pions. Consequently, all possible dressings of one-particle propagators and vertices are retained in our model. In this way we overcome the renormalization problems inherent in essentially all previous πNN theories. The key element of our derivation is the use of convolution integrals that have enabled us to sum all the possible disconnected time-ordered graphs.

Original languageEnglish
Pages (from-to)7-12
Number of pages6
JournalPhysics Letters B
Issue number1-2
Publication statusPublished - 10 Jun 1993
Externally publishedYes


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