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arxiv: 1312.2745 · v1 · pith:7ZOKZZTKnew · submitted 2013-12-10 · ⚛️ nucl-th · hep-ph· nucl-ex

Recent results on N* spectroscopy with ANL-Osaka dynamical coupled-channels approach

classification ⚛️ nucl-th hep-phnucl-ex
keywords sigmaanalysisanl-osakaapproachcoupled-channelsdeltadynamicallambda
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We report our recent effort on the extraction of N*- and Delta*-resonance parameters (pole masses, coupling constants, etc.) through the comprehensive analysis of pion- and photon-induced pi N, eta N, K Lambda, and K Sigma production reactions. The analysis was performed with the ANL-Osaka dynamical coupled-channels approach, which satisfies the multichannel unitarity of the S-matrix in the channel space spanned by pi N, eta N, K Lambda, K Sigma, and also three-body pi pi N that contains rho N, pi Delta, and sigma N resonant components. Ongoing projects and future plans are also discussed.

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