Interaction of the vector-meson octet with the baryon octet in effective field theory

Dynamically generated resonances from the vector octet-baryon octet interaction

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. We examine the scattering amplitudes and their poles, which can be associated to known JP = 1/2−, 3/2− baryon resonances, in some cases, or give predictions in other ones. The formalism employed produces doublets of degenerate...

An SU(3) model for octet baryon and meson fragmentation

The production of the octet of baryons and mesons in e e collisions is analysed, based on considerations of SU(3) symmetry and a simple model for SU(3) symmetry breaking in fragmentation functions. All fragmentation functions, D q (x,Q ), describing the fragmentation of quarks into a member of the baryon octet (and similarly for fragmentation into members of the meson octet) are expressed in te...

Octet-baryon Form Factors in the Diquark

We present an alternative parameterization of the quark-diquark model of baryons which particularly takes care of the most recent proton electric form-factor data from the E136 experiment at SLAC. In addition to electromagnetic form factors of the nucleon, for which good agreement with data is achieved, we discuss the weak axial vector form factor of the nucleon as well as electromagnetic form ...

Title Resonating-group study of baryon-baryon interactions for the complete baryon octet: NN interaction

Mass Suppression in Octet Baryon Production

There is a striking suppression of the cross section for production of octet baryons in e+e− annihilation, as the mass of the produced hadron increases. We present a simple parametrization for the fragmentation functions into octet baryons guided by two input models: the SU(3) flavor symmetry part is given by a quark-diquark model, and the baryon mass suppression part is inspired by the string ...