CONTENTS -- NStar2004-photo -- Organization -- Foreword -- Plenary Talks -- Experiment Review on Exotic Baryons T. Nakano -- 1. Introduction -- 2. First evidence for the O+ -- 3. Confirmation of O+ -- 4. Observation of other pentaquarks and counter evidences -- 5. New result from LEPS -- References -- Search for Pentaquark States with CLAS at Jefferson Lab V. Burkert, R. De Vita, S. Niccolai and the CLAS collaboration -- 1. Physics Motivation -- 2. CLAS and CEBAF - unique capabilities for baryon spectroscopy -- 3. Discussion of published results -- 3.1. Production on deuterium -- 3.2. Production on hydrogen -- 4. Ongoing analysis -- 4.1. Reactions on protons -- 4.2. Reactions on 3He -- 5. Perspectives -- 5.1. Search for the + and excited states -- 5.2. Search for ZF- and baryons -- 6. Summary -- 7. Acknowledgments -- References -- KN Scattering Data and the Exotic O+ Baryon I.I. Strakovsky, R.A. Arndt, R.L. Workman, W.J. Briscoe -- Acknowledgments -- References -- Notes on Exotic Anti-Decuplet of Baryons M.V. Polyakov -- 1. Introduction -- 2. Reggeon couplings from chiral soliton -- References -- Quark Model Perspective on Pentaquark Exotics K. Maltman -- 1. Introduction -- 2. The Parity and Other Discrete Quantum Numbers -- 3. Masses of Exotic States -- 4. The Width -- 5. Heavy Quark Analogues of the -- Acknowledgments -- References -- The Status of Pentaquark Spectroscopy on the Lattice F. Csikor, Z. Fodor, S.D. Katz, T.G. Kovacs -- 1. Introduction -- 2. Hadron spectroscopy on the lattice -- 2.1. The choice of operators -- 2.2. Separating two particle states -- 2.3. Extrapolations, sources of errors and uncertainties -- 3. Results -- 4. Conclusions -- Acknowledgments -- References -- Study of the Exotic O+ in Polarized Photoproduction Reactions Q. Zhao -- 1. Introduction -- 2. A minimum phenomenology -- 3. Double polarization asymmetries.

4. Discussions and summaries -- Acknowledgments -- References -- On the Determination of the O+ Quantum Numbers and other Topics on Exotic Baryons E. Oset et al. -- 1. Introduction -- 2. Determining the O+ quantum numbers through the K + p -+ r+K+n -- 3. Is the Of a KTN bound state? -- 4. A resonant AK state as a dynamically generated exotic baryon -- 5. Acknowledgments -- References -- Mass Spectrum and Magnetic Moments of Pentaquark States R. Bijker, M.M. Giannini, E. Santopinto -- 1. Introduction -- 2. Classification of pentaquark states -- 3. A Gursey-Radicati mass formula -- 4. Magnetic moments -- References -- Pentaquark Spectra in the Diquark Picture C. Semay, B. Sivestre-Brac, I.M. Narodetskii -- References -- Pentaquarks and Radially Excited Baryons H. Weigel -- 1. Introduction -- 2. Collective Quantization of the Soliton -- 3. Results -- 3.1. Ordinary Baryons and their Monopole Excitations -- 3.2. Exotic Baryons from the Antidecuplet -- 3.3. Baryons from the 27-plet -- 4. Conclusion -- Acknowledgments -- References -- Models of Meson-Baryon Reactions in the Nucleon Resonance Region T.-S.H. Lee, A. Matsuyama, T. Sato -- 1. Introduction -- 2. Derivation of Models -- 2.1. Unitary Isobar Model (UIM) -- 2.1.1. MAID -- 2.1.2. JLab/Yeveran UIM -- 2.2. Multi-channel K-matrix models -- 2.2.1. SAID -- 2.2.2. Giessen Model -- 2.2.3. KSU Model -- 2.3. The CMB Model -- 2.4. Dynamical Models -- A. In the A region -- B. In the second and third resonance regions -- 3. Unitary N Model -- 4. Summary -- Acknowledgments -- References -- Review on Kaon-Hyperon Electromagnetic Production on the Nucleon in the Resonance Region K.-H. Glander -- 1. Introduction -- 2. Differential cross sections for p + K+A -- 3. Hyperon polarization for rp + K+A and rp + K+ o -- 4. Beam asymmetry for rp + K+A and yp K+ o -- 5. photoproduction on the proton -- 6. Electroproduction.

7. Summary -- Acknowledgments -- References -- Role of the Baryon Resonances in the n and K+ Photoproduction Process on the Proton B. Saghai -- 1. Introduction -- 2. Theoretical Frame -- 3. Results and Discussion -- 3.1. n-photoproduction channel -- 3.2. Associated strangeness photoproduction channel -- 3.3. New S11 resonance -- 4. Summary and Concluding remarks -- References -- S'11 Resonances in and n Channels S. Kamalov et al. -- 1. Introduction -- 2. TN scattering -- 3. Pion photoproduction -- 4. Conclusion -- References -- Experimental Review on w Production F.J. Klein, P.L. Cole -- MODEL CALCULATIONS -- EXPERIMENTAL RESULTS -- SUMMARY -- References -- The GDH-experiment at MAMI - Recent Results and Future Plans H.-J. Arends for the GDH- and A2-Collaborations -- 1. The GDH-experiment -- 2. Helicity Structure of Partial Reaction Channels on the Proton -- 2.1. Single Pion Production in the -Region -- 2.2. Single Pion Production in the D13(1520)-Region -- 2.3. Double Pion Production -- 3. Deuteron experiment -- 4. Future Plans -- References -- Double-Polarization Experiments with Polarized HD at LEGS A. Sandorfi et al. (The LEGS Collaboration) -- References -- CLAS Results from the First and Second Resonance Regions L.C. Smith et al., for the CLAS Collaboration -- 1. Introduction -- 2. Analysis -- 2.1. Unitary Isobar Model -- 2.2. Fixed-t Dispersion Relations -- 3. Data -- 4. Results -- 4.1. p33(1232) -- 4.2. P11(1440) -- 4.3. S11(1535), D13(1520) -- Acknowledgments -- References -- Experimental Review of Double Pion electromagnetic Production M. Ripani -- 1. Introduction -- 2. Low energy region -- 3. Double o production at higher energies -- 4. p + - production at higher energies -- 5. p + - electroproduction and combined analysis with photoproduction from CLAS -- Acknowledgments -- References.

A Partial Wave Decomposition of rp P+ - M. Bellis for the CLAS Collaboration -- 1. Introduction -- 2. The experiment and data selection -- 3. Features of the data -- 4. Partial wave decomposition -- 4.1. Method -- 4.2. Results -- 4.2.1. Description of data distributions -- 4.2.2. Differential and total cross sections -- 4.2.3. Cross section for isobars -- 5. Conclusions -- References -- n Photoproduction off the Neutron at GRAAL: Evidence for a Resonance Structure at W = 1.67 GeV. V. Kouznetsov for the GRAAL Collaboration -- References -- Excited Baryons and Pentaquarks on the Lattice F.X. Lee -- 1. QCD primer -- 2. Baryon resonances -- 2.1. Roper and S11 -- 2.2. The n' ghost -- 2.3. Hyperon Resonances -- 2.4. Chiral Dynamics -- 3. Pentaquarks -- 4. Conclusion -- References -- N* Properties from the l/Nc Expansion (An Update) C. Schat -- 1. Introduction -- 2. L = l baryons -- 3. L=2 baryons -- 4. Pentaquarks -- 5. Concluding remarks -- Acknowledgements -- References -- Dynamical Baryon Resonances from Chiral Unitarity A. Ramos et al. -- 1. Introduction -- 2. Meson-baryon scattering model -- 3. Strangeness S = -1 -- 4. Strangeness S = -2 -- 5. Strangeness S = 0 -- 6. SU(3) multiplets of resonant states -- 7. The two-pole nature of the A(1405) -- 8. Summary and Conclusions -- Acknowledgments -- References -- Form Factors of Hadronic Systems in various Forms of Relativistic Quantum Mechanics B. Desplanques -- 1. Introduction -- 2. Form factors i n a schematic model -- 3. Pion charge form factor -- 4. Discussion and conclusion -- Acknowledgments -- References -- Hadron Structure from the Salpeter Equation B. Metsch -- References -- Point-Form Approach to Baryon Structure W. Plessas -- 1. Introduction -- 2. Point-Form Results -- 3. Comparison of Point-Form and Instant-Form Results -- 4. Conclusions -- Acknowledgment -- References.

Generalized Parton Distributions in the Light-Front Constituant Quark Model S. Simula -- 1. Introduction -- 2. Definition of nucleon GPDs and link with the CQ model -- 3. Spurious effects in the LF CQ model -- 4. Pair creation process from the vacuum -- 5. Conclusions -- References -- Baryon Resonances from J/ Decays B.S. Zou for the BES Collaboration -- 1. Problems in Baryon Spectroscopy -- 2. Baryon resonance production from J/ decays at BES -- References -- New Trends in Hadron Spectroscopy (Conference Summary) V. Vento -- 1. The environment -- 2. The underlying physical scenario -- 3. Hadronic properties -- 3.1. Pentaquarks -- 3.2. Dynamical Models, Phase shift analysis and Missing Resonances -- 4. Final Comments -- Acknowledgments -- Parallel Talks -- n and o Photoproduction on the Deuteron: Beam Asymmetries A. Fantini et al. (the GRAAL Collaboration) -- 1. Introduction -- 2. n and o photoproduction on the proton and the neutron -- References -- Photoproduction of o and n Mesons off Protons at CB-ELSA O. Bartolomy for the CB-ELSA Collaboration -- 1. Introduction -- 2. Experiment -- 3. Results -- 3.1. rp + po -- 3.2. rp + pn -- References -- Target and Double-Spin Asymmetries for ep-+ e'po A. Biselli -- 1. Introduction -- 2. The experiment -- 3. Analysis -- 4. Outlook -- References -- Compton Scattering of Polarized Photons on the Proton at GRAAL O. Bartalini et al. (A. Guisa) -- 1. Introduction -- 2. Compton scattering of polarized photons on the proton -- 3. Analysis procedure -- 4. Conclusions -- References -- Total Photoabsorption off the Proton and Deuteron at Intermediate Energies V. Nedorezov, N. Rudnev for the GRAAL Collaboration -- 1. Introduction -- 2. Experiment -- 3. Results -- 4. Conclusions -- References -- Study of Nucleon Resonances in (r, )N X' within a Coupled-Channel Lagrangian Model V.V. Shklyar, G. Penner, U. Mosel.

References.