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Photoproduction of two charged pions off protons in the resonance region

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arxiv 2411.15423 v1 pith:FZJAFN6S submitted 2024-11-23 nucl-ex

A.V. Sarantsev , E. Klempt , K.V. Nikonov , P. Achenbach , V.D. Burkert , V. Crede , V. Mokeev This is my paper
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keywords branchingchargedphotoproductionpionsprotonsacceleratoranalysisbonn-gatchina
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Photoproduction of charged pions pairs off protons is studied within the invariant masses of the final state hadrons from 1.6 to 2.4 GeV at the Thomas Jefferson National Accelerator Facility with the CLAS detector. The data are included in the Bonn-Gatchina coupled-channel analysis and provide the information necessary to determine the branching fractions for most known nucleon and Delta resonances. Branching ratios are obtained here from an event based likelihood fit.

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