English

Strong decays and Adler selfconsistency condition in two-dimensional QCD

High Energy Physics - Phenomenology 2009-10-31 v2

Abstract

Strong mesonic decays are studied in the framework of the 't Hooft model for the two-dimensional QCD in the axial gauge. Special attention is payed to the processes with pions in the final state involved and the low energy theorems have been checked including the "Adler zero". It is demonstrated explicitly that in the chiral limit any three-meson decay amplitude with at least one pion vertex vanishes identically for any values of the external momenta. Ward identities for the dressed vector and axial-vector currents vertices are identified and their relationship to the pionic vertex are discussed.

Keywords

Cite

@article{arxiv.hep-ph/0006070,
  title  = {Strong decays and Adler selfconsistency condition in two-dimensional QCD},
  author = {Yu. S. Kalashnikova and A. V. Nefediev},
  journal= {arXiv preprint arXiv:hep-ph/0006070},
  year   = {2009}
}

Comments

LaTeX2e, 10 pages, 4 eps pictures, comment and one reference added