Triangle singularity in the γp → pπ0η reaction ??

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    • Abstract:
      The γp → pπ0η reaction has been studied with the CBELSA/TAPS detector system to search for experimental evidence for triangle singularities. Kinematically these singularities exist in the decay chain Δ* → ηΔ(1232) → ηπ0p but do not show an experimental effect because of the weakness of the π0 − η interaction at low s \sqrt s near threshold far below the a0(980) resonance. [ABSTRACT FROM AUTHOR]
    • Abstract:
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