Crystal Barrel
PBAR P --> ETAPRIME PIPI(L=0)
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Study of the pi0 pi0 eta-prime final state in anti-p p annihilation at rest

The Crystal Barrel collaboration Abele, A. ; Adomeit, J. ; Amsler, C. ; et al.
Phys.Lett.B 404 (1997) 179-186, 1997.
Inspire Record 457856 DOI 10.17182/hepdata.28292

A partial wave analysis of p̄p → π 0 π 0 η ′ has been performed using the η′ → π 0 π 0 η and η ′ → γγ decay modes. The data are dominated by an η ′ recoiling against the ( ππ ) S-wave. In addition, α 2 (1320) → η′π 0 is needed. There is evidence for contributions from α 0 (1450) → η′π 0 . The branching ratio of α 0 (1450) → η′π 0 with respect to ηπ 0 is consistent with the prediction of SU(3).

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Table 1

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