2004/07/22 by R. S. Azevedo, Azevedo, R. S., M. Nielsen +1
Physics and Astronomy · #Black Holes and Theoretical Physics #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Nuclear Theory (nucl-th) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions
paper · pdf · doi:10.48550/arxiv.nucl-th/0407080
openalex publication_date 2004/07/22 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28
In this work we study the energy dependence of the J/ψ-K^* dissociation cross section, using a meson exchange model based on effective hadronic Lagrangian that includes couplings between pseudoscalar and vector mesons. We also consider anomalous parity terms. Off-shell effects at the vertices were handled with QCD sum rule estimates for the running coupling constants, and we compare the results with and without form factors. We also study the J/ψ-ρ cross section with form factors. The total J/ψ-K^* cross section was found to be 1.6 ∼1.9 mb for 4.2≤√(s)≤5~\GeV.