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Publication Information
Title N* Experiments and their Impact on Strong QCD Physics
Abstract I give a brief overview of experimental studies of the spectrum and the structure of the excited states of the nucleon and what we learn about their internal structure. The focus is on the effort to obtain a more complete picture of the light-quark baryon excitation spectrum employing electromagnetic beams, and on the study of the transition form factors and helicity amplitudes and their dependence on the magnitude of the photon virtuality $Q^2$, especially for some of the most prominent resonances. The results were obtained in pion and eta electroproduction experiments off proton targets. They strengthen the connection of experiment and new results from modeling sQCD in DSE and Light Cone SR approaches. They also point to the nature of these states as 3-quark excitations at the core.
Author(s) Volker Burkert
Publication Date March 2018
Document Type Meeting, Journal Article, Proceedings
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Exp Nuclear Physics / Experimental Halls / Hall B
Funding Source Nuclear Physics (NP)
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-PHY-18-2636 OSTI Number: 1438547
LANL Number: arXiv:1801.10480 Other Number: DOE/OR/23177-4335
Associated with an experiment No
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Meeting / Conference
Meeting Name NStar 2017
Meeting Date 8/20/2017
Document Subtype Invited Talk (proceedings)
Journal Article
Journal Name Few Body Systems
Refereed Yes
Volume 59
Issue 4
Page(s) 57
Proceedings
Title NSTAR 2017
Editor(s)
Publisher
Refereed Yes
Page Number
Year 2018
Attachments/Datasets/DOI Link
Document(s)
Nstar2017.pdf (STI Document)
1801.10480.pdf (Supporting)
DOI Link
Dataset(s) (none)
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