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Vector meson dominance in $\eta'\rightarrow\pi^0\gamma\gamma$ decay

High Energy Physics - Phenomenology 2018-05-14 v2
Authors: Yaroslav Balytskyi
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Abstract

The decay η′→π0γγ\eta'\rightarrow\pi^0\gamma\gamma is studied theoretically in the framework of the Vector Meson Dominance model (VMD). We find theoretically a significant contribution of the interference of ω−ρ\omega-\rho and provide theoretical Dalitz-plots. Comparison with the experimental results of BES-III \cite{BES-III} is done. We find some tension between our predicted value and the observed result. Our calculations can be also checked using the data of GAMS-4π4\pi.

Keywords

vector meson dominance eta prime decay dalitz plot omega-rho interference bes-iii

Cite

@article{arxiv.1804.02607,
  title  = {Vector meson dominance in $\eta'\rightarrow\pi^0\gamma\gamma$ decay},
  author = {Yaroslav Balytskyi},
  journal= {arXiv preprint arXiv:1804.02607},
  year   = {2018}
}

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