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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Electroproduction data from CLAS at Jefferson Lab are being analyzed in order to identify resonant couplings to baryon resonances decaying into[pi][Delta], pN, or[omega]N. A multi-dimensional fit to the new two-pion electroproduction data not only provides better determined photocouplings of several resonances, but also implicates a significant correction of the hadronic couplings of resonances at W approx. 1.7 GeV. The electroproduction of w shows strong indications of u- and s-channel contributions at W below 2 GeV.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Electroproduction data from CLAS at Jefferson Lab are being analyzed in order to identify resonant couplings to baryon resonances decaying into[pi][Delta], pN, or[omega]N. A multi-dimensional fit to the new two-pion electroproduction data not only provides better determined photocouplings of several resonances, but also implicates a significant correction of the hadronic couplings of resonances at W approx. 1.7 GeV. The electroproduction of w shows strong indications of u- and s-channel contributions at W below 2 GeV.
Author: Herbert Funsten Publisher: ISBN: Category : Languages : en Pages :
Book Description
Electroproduction data from CLAS at Jefferson Lab are being analyzed in order to identify resonant couplings to baryon resonances decaying into {pi}{Delta}, pN, or {omega}N. A multi-dimensional fit to the new two-pion electroproduction data not only provides better determined photocouplings of several resonances, but also implicates a significant correction of the hadronic couplings of resonances at W approx. 1.7 GeV. The electroproduction of w shows strong indications of u- and s-channel contributions at W below 2 GeV.
Author: Carl Carlson Publisher: World Scientific ISBN: 9789812704887 Category : Science Languages : en Pages : 712
Book Description
This book deals with the latest developments in the area of three-quark systems. Emphasis is given to the discussion of new experimental results in the areas of form factors, unpolarized and polarized structure functions, and baryon structure and spectroscopy. Of particular interest are the new theoretical developments in the area of generalized parton distributions and lattice quantum chromodynamics.
Author: Sigfrido Boffi Publisher: Springer Science & Business Media ISBN: 364218801X Category : Science Languages : en Pages : 287
Book Description
This volume contains the invited and contributed papers presented at the Fourth International Conference on Perspectives in Hadronic Physics and sent to the Editors within the deadline. The Conference was held at the Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy, from May 12th to 16th, 2003, and was attended by about 100 scientists from 20 countries. The series ofConferences on Perspectives on Hadronic Physics takes place every two years since 1997 and follows the seven Workshops on Perspectives in Nuclear Physics at Intermediate Energies, organized every two years at ICTP since 1983. The aim of these Conferences is to discuss the status-of-the-art concerning the experimental and theoretical investigations of hadronic systems, from nucleons to nuclei and dense nuclear matter, in terms of the relevant underlying degrees of freedom. For such a reason the Fourth Conference has been focused on those experimental and theoretical topics which have been in the last few years the object of intensive investigations, viz. the various approaches employed to describe the structure of hadrons in terms of QCD and QCD inspired models, the recent developments in the treatment of the properties and propagations of hadronic states in the medium, the relevant progress done in the solution of the few- and many- hadron problems, the recent results in the experimental investigation of dense hadronic matter and, last but not least, the physics programs of existing Laboratories and the suggested projects for new Facilities.
Author: Hans W. Hammer Publisher: Springer Science & Business Media ISBN: 3540851445 Category : Science Languages : en Pages : 298
Book Description
c Societ` a Italiana di Fisica / Springer-Verlag 2008 The 11th Workshop on The Physics of Excited Nucleons, NSTAR 2007, was held at the University of Bonn, Germany,fromSeptember5–8,2007.ItwasthelatestofaseriesofsuccessfulconferencesattheRensselaerPolytechnic Institute (1988), Florida State University (1994 and 2005), Je?erson Lab (1995 and 2000), INT Seattle (1996), GWU ? Washington (1997), ECT Trento (1998), Mainz (2001), Pittsburgh (2002) and the LPSC Grenoble (2004). A Baryon Resonance Analysis Group (BRAG) meeting immediately before the workshop focused especially on the physical meaning of bare and dressed scattering matrix singularities. A focus workshop on? photoproduction rounded o? the NSTAR 2007. The goal of NSTAR 2007 was to bring together experts on all areas of physics relevant to baryon spectroscopy, both in experiment and theory. Latest results were presented in 30 plenary talks and 34 parallel contributions, the proceedings of which are collected in this volume. The workshop was attended by 123 scientists of 41 universities and laboratories from 16 countries. Exciting new high-precision data were shown from facilities in Asia, the US and Europe, e.g. BES, BNL, COSY, ELSA, GRAAL, JLab, MAMI and LEPS. Large-acceptance detectors provide complete angular distributions in many reaction channels. Particular emphasis is put on the measurement of single and double polarisation observables such that many new polarization measurements can be expected in forthcoming meetings.
Author: Bernhard Mecking Publisher: World Scientific ISBN: 9814485675 Category : Science Languages : en Pages : 705
Book Description
This book deals with the latest developments in the area of three-quark systems. Emphasis is given to the discussion of new experimental results in the areas of form factors, unpolarized and polarized structure functions, and baryon structure and spectroscopy. Of particular interest are the new theoretical developments in the area of generalized parton distributions and lattice quantum chromodynamics.
Author: Frank Close Publisher: Cambridge University Press ISBN: 1139463810 Category : Science Languages : en Pages : 495
Book Description
Written by leading experts in the field, this book provides an authoritative overview on electromagnetic interactions. It describes the main features of the experimental data and the theoretical ideas used in their interpretation, and is an essential reference for graduate students and researchers in particle physics and electromagnetic interactions.
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Author: Herbert Funsten
Author: Carl Carlson
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Author: Sigfrido Boffi
Author: Hans W. Hammer
Author: Bernhard Mecking
Author: Frank Close
Author: Argonne National Laboratory. Physics Division