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Single π0electro-production in the resonance region with CLAS*
作者姓名:Kyungseon Joo
作者单位:University of Connecticut 2152 Hillside Road, Storrs, CT 06269,U.S.A.;
基金项目:Supported by U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-FG-04ER41309 and in part through Contract No. DE-ACO5-O60R23177, under which Jefferson Science Associates operates Jefferson Lab.
摘    要:We report the analysis status of single π0electroproduction in the resonance region to study the electromagnetic excitation of the nucleon resonances. The study is aimed at understanding of the internal structure and dynamics of the nucleon. The experiment was performed using an unpolarized cryogenic hydrogen target and 2.0 and 5.8 GeV polarized electron beam during the ele and e1-6 run periods with CLAS at Jefferson Lab. The new measurements will produce a data base with high statistics and large kinematic coverage for the hadronic invariant mass (W) up to 2.0 CeV in the momentum transfer (Q2) range of 0.3--6.0 GeV2. Preliminary results will be presented and compared with the various model calculations.

关 键 词:共振区域  生产  π  分析现状  电磁激发  内部结构  运行期间  动量传输
收稿时间:2009-08-07
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