Constraining quark-hadron duality at large
- 12 November 2001
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 64 (11) , 116010
- https://doi.org/10.1103/physrevd.64.116010
Abstract
Quark-meson duality for two-point functions of vector and axial-vector QCD currents is investigated in the large- approximation. We find that the joint constraints of duality and chiral symmetry suggest degeneracy of excited vector and axial-vector mesons in the large- limit. We compare model-independent constraints with expectations based on the Veneziano-Lovelace-Shapiro string model. Several models of duality are constructed, and phenomenological implications are discussed.
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