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http://hdl.handle.net/2307/392| Cinwaan: | Search for the decay phi -> K0-K0bar-gamma with the KLOE experiment | Qore: | Ambrosino, F. Antonelli, A. Antonelli, M. Archilli, F. Beltrame, P. Bencivenni, G. Bertolucci, S. Bini, C. Bloise, C. Bocchetta, Serena Bossi, F. Branchini, P. Capon, G. Capussela, T. Ceradini, Filippo Ciambrone, P. De Lucia, E. De Santis, A. De Simone, P. De Zorzi, G. Denig, A. Di Domenico, A. Di Donato, C. Di Micco, Biagio Dreucci, M. Felici, G. Fiore, S. Franzini, P. Gatti, C. Gauzzi, P. Giovannella, S. Graziani, E. Lanfranchi, G. Lee-Franzini, J. Martini, M. Massarotti, P. Meola, S. Miscetti, S. Moulson, M. Mueller, S. Murtas, F. Napolitano, M. Nguyen, Federico Palutan, M. Pasqualucci, E. Passeri, A. Patera, V. Santangelo, P. Sciascia, B. Spadaro, T. Testa, M. Tortora, L. Valente, P. Venanzoni, G. Versaci, R. Xu, G. |
Ereyga furaha: | e+e− collisions KLOE experiment φ radiative decays K-mesons Scalar mesons |
Taariikhda qoraalka: | Jul-2009 | Tifaftire: | ELSEVIER SCIENCE BV | Xusid: | 4 | Abstract: | We have searched for the decay phi -> K0-K0bar-gamma by detecting KS pairs plus a photon and with the KS-mesons decaying to pi+ pi-, in a sample of about 1.5 x 10^9 phi-decays collected by the KLOE experiment at DAFNE. The reaction proceeds through the intermediate states f0(980)-gamma, a0(980)-gamma. We find five events with 3.2 events expected from background processes. We obtain the upperlimit: BR(phi -> K0-Kobar-gamma < 1.9 x 10^(-8) at 90% CL. | URI : | http://hdl.handle.net/2307/392 | ISSN : | 0370-2693 | DOI : | 10.1016/j.physletb.2009.07.013 |
| Wuxuu ka dhex muuqdaa ururinnada: | A - Articolo su rivista X_Dipartimento di Fisica 'Edoardo Amaldi' |
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