EPJ Web Conf.
Volume 199, 2019MESON 2018 – 15th International Workshop on Meson Physics
|Number of page(s)||4|
|Published online||01 February 2019|
Triangle singularity in the γp → pπ0η reaction ??
II. Physikalisches Institut, University of Giessen, Germany
* e-mail: email@example.com
Published online: 1 February 2019
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) → ηπ0 p but do not show an experimental effect because of the weakness of the π0 − η interaction at low near threshold far below the a0(980) resonance.
© The Authors, published by EDP Sciences, 2019
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