Mechanisms of the Reaction $\pi^-p\to a^0_0(980)n\to\pi^0\eta n$ at High Energies

Over the last twenty years, it was assumed that the reaction $\pi^-p\to a^0_0(980)n\to\pi^0\eta n $a t h i g h e n e r g i e s i s d o m i n a t e d b y$ b_1$ Regge pole exchange. We show that the new Brookhaven and Serpukhov data on the $t$ distributions for this reaction can be explained within the framework of the Regge pole model only if the $ρ_{2}$ Regge pole exchange conspiring with its daughter plays a crucial role. The tentative estimates of the absolute $π^{-} p \to a_{0}^{0} (980) n \to π^{0} η n$ reaction cross section are obtained. The contributions of the one-pion exchange mechanism and the Regge cuts are also estimated.

Mechanisms of the Reaction $π^{-} p \to a_{0}^{0} (980) n \to π^{0} η n$ at High Energies

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Mechanisms of the Reaction $π^{-} p \to a_{0}^{0} (980) n \to π^{0} η n$ at High Energies

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Mechanisms of the Reaction π−p→a00(980)n→π0ηnπ−p→a00​(980)n→π0ηn at High Energies

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Mechanisms of the Reaction π−p→a00(980)n→π0ηnπ−p→a00​(980)n→π0ηn at High Energies

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Mechanisms of the Reaction $π^{-} p \to a_{0}^{0} (980) n \to π^{0} η n$ at High Energies

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Mechanisms of the Reaction $π^{-} p \to a_{0}^{0} (980) n \to π^{0} η n$ at High Energies

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