Baryon resonance analysis from MAID

• 作 者: L. Tiator D. Drechsel S.S. Kam
• 机 构: InstitutfiirKernphysik,BogoliubovLaboratoryforTheoreticalPhysics
• 出 处: 中国物理C：英文版
• 发表日期: 2009年12期
• 关键词: 技术分析 共振 重子 电荷密度 线模型 三角洲 S31 数据库 pion photo- and electroproduction non-strange b
• 基金项目: Supported by Deutsche Forschungsgemeinschaft through SFB 443 and joint Russian-German Heisenberg-Landau program

The unitary isobar model MAID2007 has been used to analyze the recent data of pion electroproduction. The model contains all four-star resonances in the region below W = 2 GeV and both single-Q2 and Q2 dependent transition form factors could be obtained f