Electroexcitation of nucleon resonances at Q2=0.65 (GeV/c)**2 from a combined analysis of single and double-pion electroproduction data
Journal Article
·
OSTI ID:842283
Data on single and double charged pion electroproduction off protons are successfully described in the second and third nucleon resonance regions with common N* photocouplings. The analysis was carried out using separate isobar models for both reactions. From the combined analysis of two exclusive channels, the {gamma}* p {yields} N*{sup +} helicity amplitudes are obtained for the resonances P{sub 11}(1440), D{sub 13}(1520), S{sub 31}(1620), S{sub 11}(1650), F{sub 15}(1680), D{sub 33}(1700), D{sub 13}(1700), and P{sub 13}(1720) at Q{sup 2} = 0.65(GeV/c){sup 2}.
- 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:
- 842283
- Report Number(s):
- JLAB-PHY-05-392; DOE/ER/40150-3541
- Country of Publication:
- United States
- Language:
- English
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