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Article overview
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Treatment of baryonic resonances in the RQMD approach including scalar-vector mean fields | C. Fuchs
; L. Sehn
; Amand Faessler
; D.S. Kosov
; V.S. Uma Maheswari
; Z. Wang
; | Date: |
12 Feb 1997 | Subject: | nucl-th | Abstract: | In the relativistic Quantum Molecular Dynamics (RQMD) approach baryons are described within the framework of covariant hamilton constraint dynamics. The inclusion of a relativistic mean field results in a quasiparticle picture for the baryons. This requires to distinguish between canonical and kinetic variables of the particles. As resonances we include the $Delta$(1232) and the $N^*$(1440) resonance. The resonance masses are distributed according Breit-Wigner functions. However, the scalar self energy leads to a shift in the masses and introduces an additional medium dependence. Consequences of this description on resonance and pion dynamics are discussed. | Source: | arXiv, nucl-th/9702028 | Services: | Forum | Review | PDF | Favorites |
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