Preliminary Results on gamma gamma -> Ks K pi from CLEO

Details Preliminary Results on gamma gamma -> Ks K pi from CLEO Preliminary Results on gamma gamma -> Ks K pi from CLEO

2002-12-17

arxiv.org/abs/hep-ex/0212046v1

Nucl.Phys. A721 (2003) 797-800

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 1 figure, proceedings contribution for PANIC'02

Scientific paper

10.1016/S0375-9474(03)01184-9

We analyzed 13.8 fb^{-1} of the integrated e+e- luminosity collected at 10.6 GeV center-of-mass energy with the CLEO II and II.V detectors to study exclusive two-photon production of single hadronic resonances. We searched for hadrons decaying into Ks K pi when both leptons remain undetected. In this analysis we studied the detection efficiency and evaluated systematic errors using independent data samples. We estimated 90% CL upper limits on the products of the two-photon partial widths of (pseudo)scalar hadrons with masses below 1.7 GeV/c2 and their branching fractions into Ks K pi. Our preliminary results are marginally consistent with the first observation of eta(1440) in two-photon collisions by the L3 experiment.

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