Decay amplitudes in two-dimensional QCD | Zendy

Élcio Abdalla | Zendy; Roya Mohayaee | Zendy

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Decay amplitudes in two-dimensional QCD

Author(s) -

Élcio Abdalla,

Roya Mohayaee

Publication year - 1998

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.57.3777

Subject(s) - physics , quantum chromodynamics , meson , amplitude , particle physics , spectrum (functional analysis) , quantum electrodynamics , particle decay , production (economics) , quantum , quantum mechanics , economics , macroeconomics

Decay amplitudes for mesons in two-dimensional QCD are discussed. We showthat in spite of an infinite number of conserved charges, particle productionis not entirely suppressed. This phenomenon is explained in terms of quantumcorrections to the combined algebra of higher-conserved and spectrum-generatingcurrents. We predict the qualitative form of particle production probabilitiesand verify that they are in agreement with numerical data. We also discussfour-dimensional self-dual Yang-Mills theory in the light of our results.

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