Light Quark Resonances in pbar p Annihilations at 5.2 GeV/c

Details Light Quark Resonances in pbar p Annihilations at 5.2 GeV/c Light Quark Resonances in pbar p Annihilations at 5.2 GeV/c

2006-07-19

arxiv.org/abs/hep-ex/0607034v1

Phys.Rev.D73:052009,2006

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 6 figures

Scientific paper

10.1103/PhysRevD.73.052009

Data from the Fermilab E835 experiment have been used to study the reaction pbar p -> eta eta pi0 at 5.2 GeV/c. A sample of 22 million six photons events has been analyzed to construct the Dalitz plot containing ~80k eta eta pi0 events. A partial wave analysis of the data has been done. Six f_J-states decaying into eta eta and five a_J-states decaying into eta pi0 are identified in the mass region ~1.3 and 2.4 GeV, and their masses, widths and spins are determined by maximum likelihood analysis of the data. Two f_0 states are identified with the popular candidates for the lightest scalar glueball, f_0(1500) and f_0(1710).

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