Electroexcitation of the P(11)(1440), D(13)(1520), S(11)(1535), and F(15)(1680) up to 4-(GeV/c)**2 from CLAS data
Conference
·
OSTI ID:917700
We present the helicity amplitudes for the electroexcitation of the resonances P_11(1440), D_13(1520), S_11(1535), and F_15(1680) on protons extracted from CLAS-JLab data on the pi, 2pi, and eta electroproduction. The obtained results extend over wide region of Q^2, thus providing strict test for the approaches for the description of the nucleon and nucleon resonances. None of the existing approaches gives satisfactory description of the obtained results.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 917700
- Report Number(s):
- JLAB-PHY-05-493; DOE/ER/40150-4365
- Country of Publication:
- United States
- Language:
- English
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