The direct CP violation parameter Re(epsilon'/epsilon) has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. With 3.3 million K_L --> pi0 pi0 events collected during the 1998 and 1999 running periods, a result of Re(epsilon'/epsilon) = (15.0 ±2.7)×10^-4 has been obtained. The result combined with the published 1997 sample is Re(epsilon'/epsilon) = (15.3 ±2.6)×10^-4.

A precise measurement of the direct CP violation parameter Re(epsilon'/epsilon)

CONTALBRIGO, Marco;DALPIAZ, Pietro;GIANOLI, Alberto;MARTINI, Mara;PETRUCCI, Ferruccio Carlo;SAVRIE', Mauro;SCARPA, MARCELLA;
2001

Abstract

The direct CP violation parameter Re(epsilon'/epsilon) has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. With 3.3 million K_L --> pi0 pi0 events collected during the 1998 and 1999 running periods, a result of Re(epsilon'/epsilon) = (15.0 ±2.7)×10^-4 has been obtained. The result combined with the published 1997 sample is Re(epsilon'/epsilon) = (15.3 ±2.6)×10^-4.
Lai, A; Marras, D; Bevan, A; Dosanjh, Rs; Gershon, Tj; Hay, B; Kalmus, Ge; Lazzeroni, C; Munday, Dj; Needham, Md; Olaiya, E; Parker, Ma; White, To; Wotton, Sa; Barr, G; Bocquet, G; Ceccucci, A; CUHADAR DONSZELMANN, T; Cundy, D; D'Agostini, G; Doble, N; Falaleev, V; Funk, W; Gatignon, L; Gonidec, A; Gorini, B; Govi, G; Grafstrom, P; Kubischta, W; Lacourt, A; Lenti, M; Luitz, S; Matheys, Jp; Mikulec, I; Norton, A; Palestini, S; PANZER STEINDEL, B; Schinzel, D; Tatishvili, G; Taureg, H; Velasco, M; Vossnack, O; Wahl, H; Cheshkov, C; Gaponenko, A; Hristov, P; Kekelidze, V; Madigojine, D; Molokanova, N; Potrebenikov, Y; Tkatchev, A; Zinchenko, A; Knowles, I; Martin, V; Parsons, H; Sacco, R; Walker, A; Contalbrigo, Marco; Dalpiaz, Pietro; Duclos, J; Frabetti, Pl; Gianoli, Alberto; Martini, Mara; Petrucci, Ferruccio Carlo; Savrie', Mauro; Scarpa, Marcella; Bizzeti, A; Calvetti, M; Collazuol, G; Graziani, G; Iacopini, E; Martelli, F; Veltri, M; Becker, Hg; Blumer, H; Coward, D; Eppard, M; Fox, H; Hirstius, A; Holtz, K; Kalter, A; Kleinknecht, K; Koch, U; Kopke, L; DA SILVA, Pl; Marouelli, P; Pellmann, I; Peters, A; Schmidt, Sa; Schonharting, V; Schue, Y; Wanke, R; Winhart, A; Wittgen, M; Chollet, Jc; Crepe, S; Fayard, L; ICONOMIDOU FAYARD, L; Ocariz, J; Unal, G; WINGERTER SEEZ, I; Anzivino, G; Cenci, P; Imbergamo, E; Lubrano, P; Mestvirishvili, A; Nappi, A; Pepe, M; Piccini, M; Bertanza, L; Calafiura, P; Carosi, R; Casali, R; Cerri, C; Cirilli, M; Costantini, F; Fantechi, R; Giudici, S; Mannelli, I; Marzulli, V; Pierazzini, G; Sozzi, M; Cheze, Jb; Cogan, J; DE BEER, M; Debu, P; Derue, F; Formica, A; DE CASSAGNAC, Rg; Mazzucato, E; Peyaud, B; Turlay, R; Vallage, B; Augustin, I; Bender, M; Holder, M; Maier, A; Ziolkowski, M; Arcidiacono, R; Biino, C; Cartiglia, N; Guida, R; Marchetto, F; Menichetti, E; Pastrone, N; Nassalski, J; Rondio, E; Szlepor, M; Wislicki, W; Wronka, S; Dibon, H; Fischer, G; Jeitler, M; Markytan, M; Neuhofer, G; Pernicka, M; Taurok, A; Widhalm, L; CA NA48, Collaborat
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1211652
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