00 4 ρ − ω splitting and mixing in nuclear matter S . Zschocke , B . Kämpfer
نویسندگان
چکیده
Starting from a complete operator product expansion up to mass dimension-6 twist4 and up to first order in the coupling constants we investigate the splitting and mixing of ρ and ω mesons in isospin symmetric nuclear matter. Special attention is devoted to the impact of the scalar 4-quark condensates on both effects. In nuclear matter the Landau damping governs the ρ−ω mass splitting while the scalar 4-quark condensates govern the strenght of individual mass shifts. A strong in-medium mass splitting causes the disappearance of the ρ− ω mixing.
منابع مشابه
00 4 ρ − ω splitting and mixing in nuclear matter S . Zschocke ,
Starting from a complete operator product expansion up to mass dimension-6 twist4 and up to first order in the coupling constants we investigate the splitting and mixing of ρ and ω mesons in isospin symmetric nuclear matter. Special attention is devoted to the impact of the scalar 4-quark condensates on both effects. In nuclear matter the Landau damping governs the ρ−ω mass splitting while the ...
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