Vanishing chiral couplings in the large-NCresonance theory

2006/11/30 by J. Portolés, Jorge Portoles, Ignasi Rosell +2 · 3 citations
Mathematics · Physics and Astronomy · #Algorithm #Hadron #High-Energy Particle Collisions Research #Lagrangian #Mathematical physics #Mathematics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Resonance (particle physics) #hep-ph

paper · pdf · doi:10.1103/physrevd.75.114011

published as Phys.Rev.D75:114011,2007 · 5 pages, 2 figures. Version published in Physical Review D. Some equations to facilitate the discussion have been added

openalex publication_date 2007/06/25 · arxiv created 2007/08/07 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

The construction of a resonance theory involving hadrons requires implementing the information from higher scales into the couplings of the effective Lagrangian. We consider the large-N_C chiral resonance theory incorporating scalars and pseudoscalars, and we find that, by imposing LO short-distance constraints on form factors of QCD currents constructed within this theory, the chiral low-energy constants satisfy resonance saturation at NLO in the 1/N_C expansion.

Citations

• Odd-intrinsic-parity processes within the resonance effective theory of QCD
• Chiral perturbation theory to one loop
• The electroweak π+−π0 mass difference and weak matrix elements in the 1/Nc expansion
• Chiral perturbation theory: Expansions in the mass of the strange quark
• Phenomenological Lagrangians

Cited by

• High energy constraints in the octetSS−PPcorrelator and resonance saturation at next-to-leading order in1/NC
• Determining chiral couplings at NLO
• Resonance saturation of the chiral couplings at next-to-leading order in1/NC