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Lanfranchi, G. Saracino, G. Venanzoni, G. Xu, I. Sfiligoi, J. Lee-Franzini, KLOE collaboration: F. Ambrosino, L. Tortora, M. Antonelli, M. Dreucci, M. Incagli, M. L. Ferrer, M. Martini, M. Moulson, M. Napolitano, M. Palutan, M. Primavera, M. Testa, P. Beltrame, P. Branchini, P. Campana, P. Ciambrone, P. De Simone, P. Franzini, P. Gauzzi, P. Massarotti, P. Santangelo, P. Valente, R. Caloi, R. Versaci, S. Bertolucci, S. Bocchetta, S. Chi, S. Di Falco, S. Fiore, S. Giovannella, S. Meola, S. Miscetti, S. M\\\"uller, T. Capussela, T. Spadaro, V. Bocci, V. Kulikov, V. Patera a, W. Kluge, W. Mei","submitted_at":"2007-07-27T14:30:07Z","abstract_excerpt":"Using ~600 pb-1 collected with the KLOE detector at DAPhiNE, we have studied the production cross section of pi+ pi- pi0 pi0 and p0p0 gamma final states in e+e- collisions at center of mass energies between 1000 and 1030 MeV. By fitting the observed interference pattern around Mphi for both final states, we extract a measurement (preliminary) for the ratio Gamma(omega -> pi0 gamma)/Gamma(omega -> pi+ pi- pi0) = 0.0934 +- 0.0022. 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