Electromagnetic properties of strange baryons in a relativistic quark model
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We present some of our results for the electromagnetic properties of excited Σ hyperons, computed within the framework of the Bonn constituent-quark model, which is based on the Bethe-Salpeter approach. The seven parameters entering the model are fitted against the best-known baryon masses. Accordingly, the results for the form factors and helicity amplitudes are genuine predictions. We compare with the scarce experimental data available and discuss the processes in which Σ *'s may play an important role.
PACS.11.10.St Bound and unstable states; Bethe-Salpeter equations 12.39.Ki Relativistic quark model 13.40.Gp Electromagnetic form factors 14.20.Jn Hyperons
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- 8.S. Prakhov, Progress on Study of $K^-$-Proton Reactions (UCLA, USA, 2001) http://bmkn8.physics.ucla.edu/ Crystalball/Docs/documentation.html, unpublishedGoogle Scholar