English

The process $e^+e^- \to \eta(\eta')2\pi$ in the extended NJL model

High Energy Physics - Phenomenology 2014-01-15 v2
Authors: M. K. Volkov , A. B. Arbuzov , D. G. Kostunin
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Abstract

Process of electron-positron annihilation into η(η′)2π\eta(\eta')2\pi is described within the extended NJL model in the energy range up to about 2 GeV. Contributions of intermediate vector mesons ρ(770)\rho(770) and ρ(1450)\rho(1450) are taken into account. Results for the η2π\eta2\pi channel are found to be in a reasonable agreement with experimental data. Predictions for production of η′2π\eta' 2\pi are given. The corresponding estimations for decays τ→η(η′)2πν\tau\to\eta(\eta')2\pi\nu are given in Appendix.

Keywords

radiative decays electron-positron annihilation cross sections

Cite

@article{arxiv.1310.8484,
  title  = {The process $e^+e^- \to \eta(\eta')2\pi$ in the extended NJL model},
  author = {M. K. Volkov and A. B. Arbuzov and D. G. Kostunin},
  journal= {arXiv preprint arXiv:1310.8484},
  year   = {2014}
}

Comments

Estimations for decays $\tau\to\eta(\eta')2\pi\nu$ widths are added

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