Observation of f0(1770) -> eta-eta in pbar-p -> eta-eta-pizero reactions from 600 to 1200 MeV/c

Details Observation of f0(1770) -> eta-eta in pbar-p -> eta-eta-pizero reactions from 600 to 1200 MeV/c Observation of f0(1770) -> eta-eta in pbar-p -> eta-eta-pizero reactions from 600 to 1200 MeV/c

2011-09-22

arxiv.org/abs/1109.4819v1

Phys. Lett. B449 (1999) 154

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 5 figures

Scientific paper

We present data on pbar-p -> eta-eta-pizero at beam momenta of 600, 900,
1050, and 1200 MeV/c. At the higher three momenta, a signal is clearly visible
due to pbar-p -> f_0(1770)-pizero, f_0(1770) -> eta-eta. It has mass 1770+-12
MeV and width 220+-40 MeV, where errors cover systematic uncertainties as well
as statistics.

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