Effective Lagrangians and I G ( J PC )=1 − (1 −+ ) exotic resonance state in the VP and the PP channel
作者： N. N. Achasov , G. N. Shestakov
DOI: 10.1134/1.1465496
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摘要: For I G (J PC)=1−(1−+) exotic waves in the reactions ρπ → ρπ, ηπ, η′π, and $$(K^* \bar K + K^* K)$$ allied reactions, a model is constructed that satisfies conditions of unitarity analyticity which employs, as an input, “anomalous” nondiagonal VPPP interaction relating $$K^* K$$ channels. The possibility obtaining, within this simple field-theoretical model, resonance behavior I G(J PC)=1−(1−+) amplitudes corresponding to {10} − $$\left\{ {\bar 10} \right\}$$ {8} representations SU(3) group their mixing demonstrated explicitly mass range 1.3–1.6 GeV, where data present-day experiments suggest rich exoticism.
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