Missing Nucleon Resonances in Kaon Production with Pions and Photons

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Resonances with strong couplings to strangeness channels are investigated in a coupled-channels framework of kaon production with pions and photons. We find evidence for an additional D13 resonance around 1900 MeV that has a significant decay width into the K Lambda final state. Such a state has been predicted in a relativistic quark model at 1960 MeV with significant gamma N and K Lambda branching ratios.
8 pages, Latex, 5 figures

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/81528

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0008024
 http://arxiv.org/abs/nucl-th/0008024

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arXiv