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Nucleon resonance structure to 2 GeV and the nature of the Roper

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arxiv 2503.09945 v1 pith:63HLUEN3 submitted 2025-03-13 hep-ph hep-latnucl-th

classification hep-phhep-latnucl-th
keywords nucleonexcitednatureresonanceroperspectrumstateswell
verification ladder T0 review T1 audit T2 compute T3 formal
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The study of the spectrum of excited states of the nucleon is vital to our understanding of how QCD is realized in the baryon spectrum. Using a simultaneous analysis of the pion nucleon scattering data up to 2 GeV as well as the results of lattice QCD calculations, we obtain new insight into the nature of the Roper resonance as well as the excited states around 1.9 GeV.

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Cited by 1 Pith paper

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  1. Non-diagonal DVCS and studies of hadronic structure with $N \to N^*$ transition GPDs

    hep-ph 2025-09 conditional novelty 2.0 of 10

    A proceedings review of transition GPDs for non-diagonal DVCS: model estimates for JLab@12 GeV, a qualitative match to CLAS BSA data, and spin-J Froissart-Gribov projections for resonance spectroscopy.

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