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arxiv: hep-ph/0607044 · v1 · submitted 2006-07-04 · ✦ hep-ph

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Study of η'toηπ^+π^- Dalitz plot

V.Dorofeev , R.Dzheliadin , A.Ekimov , A.Fenyuk , Yu.Gavrilov , Yu.Gouz , A.Ivashin , V.Kabachenko
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I.Kachaev A.Karyukhin Yu.Khokhlov A.Konoplyannikov V.Konstantinov M.Makouski V.Matveev V.Nikolaenko A.Ostankov B.Polyakov D.Ryabchikov S.Shushkevich A.A.Solodkov A.V.Solodkov O.Solovianov E.Starchenko A.Zaitsev A.Zenin
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classification ✦ hep-ph
keywords dalitzplotcoefficientscollecteddatadecaydecaysdecomposition
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Dalitz plot of the $\eta' \to \eta\pi^+\pi^-$ decay is studied using the data collected with the VES spectrometer in two different exclusive reactions. The coefficients for the matrix element squared decomposition are measured on the largest statistics of $\eta'$ decays reported so far.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Study of $\eta^\prime \to \eta \pi\pi $ Decays in Large-$N_C$ Chiral Perturbation Theory

    hep-ph 2026-05 unverdicted novelty 4.0

    Including ππ final-state interactions in large-Nc ChPT improves agreement with η′ → η ππ data and yields Dalitz parameters a = -0.085(18)stat(4)syst, b = -0.081(10)stat(6)syst, d = -0.045(6)stat(8)syst.