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Bencivenni, G. Capon, G. De Robertis, G. Fanizzi, G. Felici, G. Giardina, G. Mandaglio, G. Morello, G. Venanzoni, I. Balwierz-Pytko, I. Prado Longhi, I. Sarra, J. Lee-Franzini, J. Zdebik, K. Kacprzak, L. Caldeira Balkestahl, L. Heijkenskjold, L. Iafolla, L. Tortora, M. Jacewicz, M. Martemianov, M. Martini, M. Mascolo, M. Schioppa, M. Silarski, M. Wolke, O. Erriquez, P. Branchini, P. Ciambrone, P. Franzini, P. Gauzzi, P. Moskal, P. Santangelo, R. Di Salvo, R. Messi, S. Fiore, S. Giovannella, S. Loffredo, S. Miscetti, T. Johansson, V. De Leo, V. Patera, W. Wislicki","submitted_at":"2013-01-31T14:28:19Z","abstract_excerpt":"We have carried out a new direct search for the CP violating decay KS -> 3pi0 with 1.7 fb^-1 of e+e- collisions collected by the KLOE detector at the phi-factory DAFNE. We have searched for this decay in a sample of about 5.9 x 10^8 KS KL events tagging the KS by means of the KL interaction in the calorimeter and requiring six prompt photons. 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