Effects of pseudoscalar-baryon channels in the dynamically generated vector-baryon resonances
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Garzón Alama, Eugenio Javier; Oset Báguena, Eulogio
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Aquest document és un/a article, creat/da en: 2012
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We study the interaction of vector mesons with the octet of stable baryons in the framework of the local hidden gauge formalism using a coupled channels unitary approach, including also the pseudoscalar-baryon channels which couple to the same quantum numbers. We examine the scattering amplitudes and their poles, which can be associated to known JP=1/2−,3/2− baryon resonances, and determine the role of the pseudoscalar-baryon channels, changing the width and eventually the mass of the resonances generated with only the basis of vector-baryon states. |
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