Abstract
We calculate the masses of low-lying negative-parity ..lambda../sup */ and ..sigma../sup */ in a chiral bag model with broken SU(2)/direct product/SU(2) realization of chiral symmetry. All relevant one-gluon-exchange and effective quark-quark one-pion-exchange diagrams are evaluated. We show why the spin-flavor contents of the hyperon resonances are different from that of a nonrelativistic quark model. In particular, we find that the ..lambda..(1405) has almost no flavor-singlet component. The prescription used to project out the translational mode of the bag is tested for the simplest case.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Paper version not known
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
