Electroexcitation of the Roper resonance in the relativistic quark models

Abstract

The amplitudes of the transition gamma* N -> P11(1440) are calculated within light-front relativistic quark model assuming that the P11(1440) is the first radial excitation of the 3q ground state. The results are presented along with the predictions obtained in other relativistic quark models. In comparison with the previous calculations, we have extended the range of Q^2 up to 4.5 GeV^2 to cover the kinematic interval of the forthcoming experimental data. Using approach based on PCAC, we have checked the relative sign between quark model predictions for the N and P11(1440) contributions to the pion electroproduction found in previous investigations.

arXiv comment5 pages, 1 figure, accepted by PRC

References in corpus (10)

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• The ratio of proton's electric to magnetic form factors measured by polarization transfer
• Measurement of GEp/GMp in ep -> ep to Q2 = 5.6 GeV2
• Quasi-Two-Body Decays of Nonstrange Baryons
• Baryon Current Matrix Elements in a Light-Front Framework
• Electroexcitation of the P33(1232), P11(1440), D13(1520), S11(1535) at Q^2=0.4 and 0.65(GeV/c)^2
• Baryon Form Factors of Relativistic Constituent-Quark Models
• Electroexcitation of nucleon resonances at Q^2=0.65 GeV/c^2 from a combined analysis of single- and double-pion electroproduction data
• Single pi+ Electroproduction on the Proton in the First and Second Resonance Regions at 0.25GeV^2 < Q^2 < 0.65GeV^2 Using CLAS
• Electroproduction of the Roper resonance and the constituent quark model

Cited by in corpus (47)

• Baryons as relativistic three-quark bound states
• Baryon spectroscopy
• Physics Opportunities with the 12 GeV Upgrade at Jefferson Lab
• Progress Toward Understanding Baryon Resonances
• Electroexcitation of nucleon resonances from CLAS data on single pion electroproduction
• Studies of Nucleon Resonance Structure in Exclusive Meson Electroproduction
• Electroexcitation of nucleon resonances
• A study of the $P_{11}(1440)$ and $D_{13}(1520)$ resonances from CLAS data on $ep\to e^{\prime }{\pi }^{+}{\pi }^{-}{p}^{\prime }$
• Nucleon and Roper electromagnetic elastic and transition form factors
• Completing the picture of the Roper resonance
• Electroexcitation of the Roper resonance for 1.7 < Q2 < 4.5 GeV2 in ep -> enpi+
• A systematic study of longitudinal and transverse helicity amplidutes in the hypercentral Constituent Quark Model
• Nucleon electromagnetic form factors and electroexcitation of low lying nucleon resonances in a light-front relativistic quark model
• Nucleon resonances in AdS/QCD
• Valence quark contributions for the gamma N -> P11(1440) form factors
• The S- and P-wave low-lying baryons in the chiral quark model
• Extraction of Electromagnetic Transition Form Factors for Nucleon Resonances within a Dynamical Coupled-Channels Model
• Electroproduction of Eta Mesons in the S11(1535) Resonance Region at High Momentum Transfer
• A model for the Delta(1600) resonance and gamma N -> Delta(1600) transition
• Dissecting nucleon transition electromagnetic form factors
• Electroproduction of p π^{+} π^{-} off protons at 0.2<Q^{2}<0.6 GeV^{2} and 1.3<W<1.57 GeV with CLAS
• Electroproduction of the Roper resonance on the proton: the role of the three-quark core and the molecular N-sigma component
• First Lattice Study of the $N$-$P_{11}(1440)$ Transition Form Factors
• Electromagnetic structure of nucleon and Roper in soft-wall AdS/QCD
• Results from the N* program at JLab
• Studies of N^* structure from the CLAS meson electroproduction data
• Nucleon resonances in Compton scattering
• Electromagnetic transition form factors of the Roper resonance in effective field theory
• Pion electro-production in the Roper region in chiral quark models
• Nucleon resonances with higher spins in soft-wall AdS/QCD
• Nucleon Resonance Structure from Exclusive Meson Electroproduction with CLAS
• Electroexcitation of nucleon resonances of the [70,1-] multiplet in a light-front relativistic quark model
• Semirelativistic approximation to the ${\gamma }^{\ast }N\to N(1520)$ and ${\gamma }^{\ast }N\to N(1535)$ transition form factors
• Valence quark contributions for the ${\gamma }^{\ast }N\to N(1440)$ form factors from Light-Front holography
• $N^{\ast }$ Form Factors based on a Covariant Quark Model
• Electromagnetic structure of the nucleon and the Roper resonance in a light-front quark approach
• Electroexcitation of the Delta(1232)3/2+ and Delta(1600)3/2+ in a light-front relativistic quark model
• Analytic parametrizations of the ${\gamma }^{\ast }N\to N(1440)$ form factors inspired by Light-Front holography
• The Roper resonance: a genuine quark state or a dynamically generated structure?
• Electroexcitation of nucleon resonances in a light-front relativistic quark model
• Nucleon resonances with spin $\frac{3}{2}$ and isospin $\frac{1}{2}$
• Recent results on nucleon resonance electrocouplings from the studies of ${\pi }^{+}{\pi }^{-}p$ electroproduction with the CLAS detector
• The N* Physics Program at Jefferson Lab
• Meson Production and Baryon Resonances at CLAS
• Study of $N(1440)$ structure via ${\gamma }^{\ast }p\to N(1440)$ transition
• Investigation of $\Delta (1232)$ resonance substructure in $p{\gamma }^{\ast }\to \Delta (1232)$ process through helicity amplitudes
• Probing the nucleon structure with CLAS