Electroexcitation of nucleon resonances at Q2=0.65(GeV/c)2 from a combined analysis of single- and double-pion electroproduction data -: art. no. 045201

被引：63
作者：
Aznauryan, IG [1 ]
Burkert, VD
Fedotov, GV
Ishkhanov, BS
Mokeev, VI
机构：
[1] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA
[2] Yerevan Phys Inst, Yerevan 375036, Armenia
[3] Moscow MV Lomonosov State Univ, Skobeltsyn Nucl Phys Inst, RU-119899 Moscow, Russia
来源：
PHYSICAL REVIEW C | 2005年 / 72卷 / 04期
关键词：
D O I：
10.1103/PhysRevC.72.045201
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
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 with separate isobar models for both reactions. From the combined analysis of two exclusive channels, the gamma(*)p -> N*+ helicity amplitudes are obtained for the resonances P-11(1440),D-13(1520),S-31(1620),S-11(1650),F-15(1680),D-33(1700),D-13(1700), and P-13(1720) at Q(2)=0.65(GeV/c)(2).
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页数：9
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