A chiral quark model for meson electro-production in the S11 partial wave

Abstract

We calculate the meson scattering and electro-production amplitudes in the S11 partial wave in a coupled-channel approach that incorporates quasi-bound quark-model states. Using the quark wave functions and the quark-meson interaction from the Cloudy Bag Model, we obtain a good overall agreement with the available experimental results for the partial widths of the N(1535) and the N(1650) resonances as well as for the pion, eta and kaon electro-production amplitudes. Our model is consistent with the N(1535) resonance being dominantly a genuine three-quark state rather than a quasi-bound state of mesons and baryons.

10 pages, 13 figures

References in corpus (19)

• Unitary Isobar Model - MAID2007
• Extended Partial-Wave Analysis of piN Scattering Data
• Electroexcitation of nucleon resonances from CLAS data on single pion electroproduction
• Chiral dynamics of the S11(1535) and S11(1650) resonances revisited
• Study of the gp-->etap reaction with the Crystal Ball detector at the Mainz Microtron(MAMI-C)
• Dynamical Coupled-Channel Model of $\pi N$ Scattering in the W $\le$ 2 GeV Nucleon Resonance Region
• Transition form factors of the N*(1535) as a dynamically generated resonance
• Photoproduction of pions and properties of baryon resonances from a Bonn-Gatchina partial wave analysis
• Coupled-channels study of the ${\pi }^{-}p\to \eta n$ process
• Photoproduction of eta meson within a coupled-channels K-matrix approach
• The phase and pole structure of the N*(1535) in piN-->piN and gammaN-->piN
• Study of $\eta$ photoproduction on the proton in a chiral constituent quark approach via one-gluon-exchange model
• Baryon Resonance Analysis from MAID
• The associated photoproduction of K+ meson off proton within a coupled-channels K-matrix approach
• Pion electro-production in the Roper region in chiral quark models
• Roper resonances in chiral quark models
• A chiral quark model for meson electro-production in the S11 partial wave
• $\eta$ production off the proton in a Regge-plus-chiral quark approach
• Chiral constituent quark model study of the process $\gamma p\to \eta p$

Cited by in corpus (13)

• Electroexcitation of nucleon resonances
• Coupled-channel dynamics in the reactions piN --> piN, etaN, KLambda, KSigma
• A covariant model for the gamma N -> N(1535) transition at high momentum transfer
• Electromagnetic Transition Form Factors of Baryon Resonances
• Strong decay of low-lying $S_{11}$ and $D_{13}$ nucleon resonances to pseudoscalar mesons and octet baryons
• Using the Single Quark Transition Model to predict nucleon resonance amplitudes
• A chiral quark model for meson electro-production in the region of D-wave resonances
• A chiral quark model for meson electro-production in the S11 partial wave
• Correlations of $\mathbf{\pi N}$ Partial Waves for Multi-Reaction Analyses
• The Roper resonance: a genuine quark state or a dynamically generated structure?
• Eta and kaon production in a chiral quark model
• Dynamical generation of resonances in the P33 partial wave
• The $\Lambda (1405)$ resonance as a genuine three-quark or molecular state