A partial wave analysis of pbar-p -> eta-eta-pizero

Details A partial wave analysis of pbar-p -> eta-eta-pizero A partial wave analysis of pbar-p -> eta-eta-pizero

2011-09-30

arxiv.org/abs/1109.6817v1

Phys. Lett. B517 (2001) 273

Physics

High Energy Physics

High Energy Physics - Experiment

11 pages, 6 figues

Scientific paper

A partial wave analysis of pbar-p -> eta-eta-pizero data from the Crystal Barrel experiment is made in terms of s-channel resonances. The decay channels a_0(980)-eta, f_0(1770)-pi and f_0(2105)-pi provide evidence for two I = 1 J^{PC} = 0^{-+} resonances. The first has mass M =2360 +- 25 MeV and width Gamma = 300^{+100}_{-50} MeV, and the second M =2070 \pm 35 MeV, Gamma = 310^{+100}_{-50} MeV. There is also evidence for a J^{PC} = 2^{-+} state with M = 2005 +- 15 MeV and Gamma = 200 +- 40 MeV, decaying strongly to a_0(980)-pi.

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