2009/05/11 by D. Gamermann, E. Oset, Gamermann, D. +3
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.48550/arxiv.0905.1637
Proceedings for the International Workshop on Effective Field Theories: from the pion to the upsilon, February 2-6 2009, Valencia, Spain
arxiv created 2009/05/11 · openalex publication_date 2009/05/11 · arxiv updated 2009/12/01 · openalex created_date 2024/04/10 · openalex updated_date 2026/07/28
In this work we present our model that dynamically generates resonances from charmed and light pseudoscalar and vector mesons. The model generates a rich spectrum of charmed and hidden charm scalar and axial resonances, most of them which can be associated with observed states. Other states are predicted, in particular a hidden charm scalar resonance with mass close to the D D threshold. For this resonance we present calculations which show that an observed enhancement in the D D mass spectrum measured by Belle in reactions producing D D J/ψ in the final state could be originated by this predicted state. We also present theoretical calculations on the radiative decay width of the ψ(3770) into this state. The predicted branching fractions suggest that this predicted state could be observed by BES with statistics of one year run in the ψ(3770) peak.