Relativistic Calculation of Hadronic Baryon Decays

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The description of baryon resonance decays represents a major challenge of strong interaction physics. We will report on a relativistic approach to mesonic decays of light and strange baryon resonances within constituent quark models. The calculations are performed in the point-form of relativistic quantum mechanics, specifically focussing on the strange sector. It is found that the relativistic predictions generally underestimate the experimental data. The nonrelativistic approximation of the approach leads to the decay operator of the elementary emission model. It is seen that the nonrelativistic reduction has considerable effects on the decay widths.
To be published in the proceedings of Mini-Workshop Bled 2006

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/118259

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0610109
 http://arxiv.org/abs/nucl-th/0610109

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arXiv