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

Anisovich, A. V.; Baker, C. A.; Batty, C. J.; Bugg, D. V.; Haddock, R. P.; Hodd, C.; Nikonov, V. A.; Sarantsev, A. V.; Sarantsev, V. V.; Scott, I.

doi:10.1016/S0370-2693(99)00078-7

arXiv 2011-09-22 DOI 10.1016/S0370-2693(99)00078-7 0 مشاهدة

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

Anisovich, A. V. · Baker, C. A. · Batty, C. J. · Bugg, D. V. · Haddock, R. P. · Hodd, C. · Nikonov, V. A. · Sarantsev, A. V. · Sarantsev, V. V. · Scott, I. · Zou, B. S.

High Energy Physics - Experiment

الأصل · EN

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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