A search for the decay K_S --> pi0 gamma gamma has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity K_S beam, an upper limit for the branching ratio BR(K_S --> pi0 gamma gamma,z >= 0.2)<3.3×10−7 has been obtained at 90% confidence level, where z=m_{gamma gamam}^2/m_{K0^2}.

Search for the decay K_S --> pi0 gamma gamma

CONTALBRIGO, Marco;DALPIAZ, Pietro;GIANOLI, Alberto;MARTINI, Mara;PETRUCCI, Ferruccio Carlo;SAVRIE', Mauro;
2003

Abstract

A search for the decay K_S --> pi0 gamma gamma has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity K_S beam, an upper limit for the branching ratio BR(K_S --> pi0 gamma gamma,z >= 0.2)<3.3×10−7 has been obtained at 90% confidence level, where z=m_{gamma gamam}^2/m_{K0^2}.
2003
Lai, A; Marras, D; Batley, R; Bevan, A; Dosanjh, Rs; Gershon, Tj; Kalmus, Ge; Munday, Dj; Olaiya, E; Parker, Ma; White, T; Wotton, Sa; Barr, G; Bocquet, G; Ceccucci, A; CUHADAR DONSZELMANN, T; Cundy, D; Doble, N; Falaleev, V; Gatignon, L; Gonidec, A; Gorini, B; Govi, G; Grafstrom, P; Kubischta, W; Lacourt, A; Lenti, M; Norton, A; Palestini, S; PANZER STEINDEL, B; Tatishvili, G; Taureg, H; Velasco, M; Wahl, H; Cheshkov, C; Hristov, P; Kekelidze, V; Madigojine, D; Molokanova, N; Potrebenikov, Y; Tkatchev, A; Zinchenko, A; Knowles, I; Lazzeroni, C; Martin, V; Sacco, R; Walker, A; Contalbrigo, Marco; Dalpiaz, Pietro; Duclos, J; Frabetti, Pl; Gianoli, Alberto; Martini, Mara; Masetti, L; Petrucci, Ferruccio Carlo; Savrie', Mauro; Bizzeti, A; Calvetti, M; Collazuol, G; Graziani, G; Iacopini, E; Becker, Hg; Eppard, M; Fox, H; Holtz, K; Kalter, A; Kleinknecht, K; Koch, U; Kopke, L; DA SILVA, Pl; Marouelli, P; Pellmann, I; Peters, A; Renk, B; Schmidt, Sa; Schnoharting, V; Schue, Y; Wanke, R; Winhart, A; Wittgen, M; Chollet, Jc; Fayard, L; ICONOMIDOU FAYARD, L; Ocariz, J; Unal, G; Wingerter, I; Anzivino, G; Cenci, P; Imbergamo, E; Lubrano, P; Mestvirishvili, A; Nappi, A; Pepe, M; Piccini, M; Carosi, R; Casali, R; Cerri, C; Cirilli, M; Costantini, F; Fantechi, R; Giudici, S; Mannelli, I; Pierazzini, G; Sozzi, M; Cheze, Jb; Cogan, J; DE BEER, M; Debu, P; Formica, A; DE CASSAGNAC, Rg; Mazzucato, E; Peyaud, B; Turlay, R; Vallage, B; Holder, M; Maier, A; Ziolkowski, M; Arcidiacono, R; Biino, C; Cartiglia, N; Guida, R; Marchetto, F; Menichetti, E; Pastrone, N; Nassalski, J; Rondio, E; Szleper, M; Wislicki, W; Wronka, S; Dibon, H; Fischer, G; Jeitler, M; Markytan, M; Mikulec, I; Neuhofer, G; Pernicka, M; Taurok, A; Widhalm, L.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1211644
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