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Title: Nucleon Resonance Transition Form factors

We discuss recent results from CLAS on electromagnetic resonance transition amplitudes and their dependence on the distance scale (Q2). From the comparison of these results with most advanced theoretical calculations within QCD-based approaches there is clear evidence that meson-baryon contributions are present and important at large distances, i.e. small Q2, and that quark core contributions dominate the short distance behavior.
Authors:
 [1] ;  [1] ;  [2]
  1. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  2. Yerevan Physics Inst. (YerPhI) (Armenia)
Publication Date:
OSTI Identifier:
1332094
Report Number(s):
JLAB-PHY-15-2147; DOE/OR/23177-3562; arXiv:1509.08523
DOE Contract Number:
AC05-06OR23177
Resource Type:
Conference
Resource Relation:
Conference: CIPANP 2015, Vail, CO, May 19-24, 2015
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English