  An extended linear sigma model with mesons (q\bar{q} states) and baryons (qqq
states) is presented. The model contains a low energy multiplet for every
hadronic particle type, namely a scalar, a pseudoscalar, a vector, and an
axialvector nonet, an baryon octet and a baryon decuplet. The model parameters
are determined through a multiparametric minimalization with the help of well
known physical quantities. It is found that the considered zero temperature
quantities (masses and decay widths) can be described well at tree-level and
are in good agreement with the experimental data.
