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