N* Physics and Nonperturbative Quantum Chromodynamics (eBook, PDF)

Proceedings of the Joint ECT*/JLAB Workshop, Trento, Italy, May 18-29, 1998
Redaktion: Simula, Silvano; Burkert, Volker D.; Mukhopadhyay, Nimai C.; Saghai, Bijan

• Format: PDF

Produktbeschreibung

The Workshop N* Physics and non-perturbative QeD was held at the Eu ropean Center for Theoretical Studies and Related Areas (ECT*) in Trento, Italy, during May 18-29, 1998. Previous workshops of the series on N* Physics took place at the Florida State University (1994), at CEBAF (1995), at the Institute for Nuclear Theory in Seattle (1996) and at the George Washington University (1997). The Workshop was devoted to a summary of recent experimental and the oretical research on N* phsyics and special emphasis was given to the infor mation that photo-and electro-production of nucleon resonances can provide on the non-perturbative regime of Quantum Chromodynamics. The idea was to stimulate discussions among experimentalists and theoreticians in order to pursue the interpretation of the huge amount of forthcoming data from several laboratories in the world. It was therefore decided to have both experimental and theoretical lectures on the main topics, like ,among the others, single and double pion production, TJ-and K-meson production, the GDH sum rule, the spin of the proton, etc. Thanks to the unusual two-week extension of the Work shop, the allotted time for the lectures was extended up to one hour in order to allow the invited lecturers to give a detailed presentation of their topics. Fi nally, various short contributions were selected to sharpen the discussion about selected items.

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Produktdetails

• Verlag: Springer Vienna
• Seitenzahl: 375
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9783709168004
• Artikelnr.: 53148012

Inhaltsangabe

Electromagnetic Excitation of Baryon Resonances and the CLAS N* Program.- Perturbative QCD Applied to Baryons.- Boson and Gluon Exchange and the Quark-Quark Interaction.- Semirelativistic Constituent-Quark Model with Goldstone-Boson-Exchange Hyperfme Interactions.- Hadronic Decays of Baryon Resonances in the Goldstone-Boson-Exchange Constituent Quark Model.- Multiquark States in a Goldstone Boson Exchange Model.- Hypercentral Constituent Quark Model.- The Nucleon Wave Function in Light-Front Dynamics.- Lorentz Covariant Spin-Grouping of Baryon Resonances.- Baryon Properties in Soliton Models.- QCD Sum Rules and Soft-Hard Interplay for Hadronic Form Factors.- Light-Baryon Spectroscopy and the Electromagnetic Form Factors in the Quark Model.- Charge-Current Operators Consistent with a Semi-relativistic Hamiltonian.- NN and N? Form Factors Viewed from ChPT.- Missing Baryons.- Amplitude Analysis.- Baryon Resonance Spectrum, Error Analysis, Background Effects.- Coupled-Channel Analysis of N* Photoproduction.- Parity-Violating ?(1232) Electroweak Production: Axial Structure and New Physics.- Nucleon Axial Matrix Elements.- Electroproduction of the ?(1232) and S11(1535) Resonances at High Momentum Transfer.- Axial Vector Form Factor GAN? for the N? ?(1232) Transition.- Exchange Currents and Nucleon Deformation.- The N-?(1232) Electromagnetic Transition.- Multipole Analyses for p(?, ?) and p(?, ?) in the Region of the P33 ? Resonance.- Theories of Electromagnetic Productions of Pions.- Single Pion Electroproduction in the ? (1232) Resonance from CLAS Data at Jefferson Lab.- Pion Photo- and Electroproduction on the Proton.- Photoabsorption on Bound Nucleons in the Resonance Region.- The Gerasimov-Drell-Hearn Sum Rule - Experimental Aspects.- Dispersion Approachto Pion Photoproduction and GDH Sum Rule.- DIS contribution to the GDH Sum Rule.- ? Meson Photoproduction.- The Role of N*(1520) Resonance in Eta Photoproduction in the Light of New Polarization Data.- Beam Polarisation Asymmetries in Meson Photoproduction at Graal.- ? Physics and Multi-Resonance Coupled-Channel Analysis.- K Meson Photo- and Electro- Production with CLAS at Jefferson Lab.- Study of the Strange Hadrons Electromagnetic Form Factors via the Process ep ? e'K+?.- Effective Lagrangian Study of the ?p -> K+? (Spin 3/2 Resonances and Their Off-Shell Effects).- SU(3) Chiral Dynamics with Coupled Channels: Eta and Kaon Production.- The Diquark Model for Exclusive Reactions.- Single Meson Photoproduction via Higher Twist Mechanism and IR Renormalons.- Double Pion Production Experiments.- Double Pion Production Reactions.- Baryon Resonances in the Double Pion Channel at Jefferson Lab (CEBAF): Experimental and Physical Analysis Status and Perspectives.- Description of Two-Pion Production on Proton by Real and Virtual Photons in N* Excitation Region.- Vector Meson Production.- Spin Information from Vector-Meson Decay in Photoproduction.- Real and Virtual Compton Scattering (experiments).- Virtual Compton Scattering - Generalized Polarizabilities of Nucleons and Pions.- Dispersion Theoretical Analysis of the Nucléon Spin Polarizabilities.- The Spin of the Nucleon.- Nucleon Structure Functions and Light-Front Dynamics.- Nucleon Structure Functions in a Constituent Quark Scenario.- Strangeness and Charm Production with HERMES.- Questions on the Quark Model: Panel Discussion.- List of Participants.- Author Index.