Lowest- Q2 measurement of the γp → Δ reaction: Probing the pionic contribution

[1]  V. Pascalutsa,et al.  Electromagnetic nucleon-to-delta transition in chiral effective-field theory. , 2005, Physical review letters.

[2]  P. Barneo,et al.  Measurement of the LT-asymmetry in πelectroproduction at the energy of the Δ(1232)-resonance , 2005, nucl-ex/0507014.

[3]  E. Santopinto,et al.  Electromagnetic form factors in the hypercentral constituent quark model , 2005, 1506.08625.

[4]  P. Forcrand,et al.  N-to-delta electromagnetic-transition form factors from lattice QCD. , 2004, hep-lat/0409122.

[5]  Y. Sato,et al.  Investigation of the conjectured nucleon deformation at low momentum transfer. , 2004, Physical review letters.

[6]  C. Papanicolas Nucleon deformation , 2003 .

[7]  E. al.,et al.  Measurement of the Transverse-Longitudinal Cross Sections in the p (e,e'p)pi0 Reaction in the Delta Region , 2003, nucl-ex/0302018.

[8]  R. Workman,et al.  Analysis of pion photoproduction data , 2002, nucl-th/0205067.

[9]  S. Grözinger,et al.  Measurement of the beam-helicity asymmetry in the p((-->)e,e'p)pi(0) reaction at the energy of the Delta(1232) resonance. , 2001, Physical review letters.

[10]  E. al.,et al.  Q2 dependence of quadrupole strength in the γ*p → Δ+(1232) → pπ0 transition , 2001, hep-ex/0110007.

[11]  A. Kuczewski,et al.  N -> Delta transition and proton polarizabilities from measurements of p(gamma, gamma), p(gamma, pi0) and p(gamma, pi+) , 2001 .

[12]  L. Tiator,et al.  π0 Photo- and electroproduction at threshold within a dynamical model , 2001, nucl-th/0107017.

[13]  G. Rosner,et al.  Measurement of the recoil polarization in the p (\vec e, e' \vec p) pi^0 reaction at the \Delta(1232) resonance , 2000, nucl-ex/0010020.

[14]  T. Sato,et al.  Dynamical Study of the Delta Excitation in N(e,e' pi) Reactions , 2000, nucl-th/0010025.

[15]  E. al.,et al.  Determination of the E2/M1 Ratio in the \gamma N \to \Delta(1232) Transition from a Simultaneous Measurement of p(\vec{\gamma},p)\pi^0 and p(\vec{\gamma},\pi^+)n , 1999, nucl-ex/9908017.

[16]  X. Jiang,et al.  Search for quadrupole strength in the electroexcitation of the delta+(1232). , 1999, Physical review letters.

[17]  E. al.,et al.  Induced Proton Polarization for pi0 Electroproduction at Q2 = 0.126 GeV2/c2 Around the Delta(1232) Resonance , 1998, nucl-ex/9901004.

[18]  L. Tiator,et al.  A unitary isobar model for pion photo- and electroproduction on the proton up to 1 GeV , 1998, nucl-th/9807001.

[19]  U. Müller,et al.  The three-spectrometer facility at the Mainz microtron MAMI , 1998 .

[20]  D. Lu,et al.  Chiral bag model approach to {Delta} electroproduction , 1996, nucl-th/9612017.

[21]  P. Mergell,et al.  Dispersion-Theoretical Analysis of the Nucleon Electromagnetic Formfactors , 1995, hep-ph/9506375.

[22]  L. Tiator,et al.  Threshold pion photoproduction on nucleons , 1992 .

[23]  S. Capstick,et al.  E1+/M1+ and S1+/M1+ and their Q2 dependence in gamma upsilon N--> Delta with relativized quark-model wave functions. , 1990, Physical review. D, Particles and fields.

[24]  S. Glashow The unmellisonant quark , 1979 .

[25]  A. Bernstein EPJ manuscript No. (will be inserted by the editor) Deviation of the Nucleon Shape From Spherical Symmetry: Experimental Status , 2008 .

[26]  L. Tiator,et al.  NSTAR 2001 : proceedings of the workshop on the physics of excited nucleons, Mainz, Germany, 7-10 March 2001 , 2001 .

[27]  Matts Roos,et al.  MINUIT-a system for function minimization and analysis of the parameter errors and correlations , 1984 .