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arxiv: hep-ph/0002189 · v1 · submitted 2000-02-17 · ✦ hep-ph

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The phi --> pi^+ pi^- and phi radiative decays within a chiral unitary approach

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classification ✦ hep-ph
keywords chiraldecaydecaysgammainteractionmesonradiativerecent
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We report on recent results on the decay of the phi into pi^+ pi^- and phi radiative decays into pi^0 pi^0 gamma and pi^0 eta gamma, which require the consideration of the final state interaction of a pair of mesons in a region inaccessible to Chiral Perturbation Theory. By using nonperturbative chiral unitary methods for the meson meson interaction we can obtain the corresponding decay widths and the results are compared with recent experimental data.

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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.