New measurements of the eta and K-0 masses have been performed using decays to 3pi(0) with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects, the results M(eta) = 547.843 +/- 0.051 MeV/c(2) and M(K-0) = 497.625 +/- 0.031 MeV/c(2) were obtained. (C) 2002 Elsevier Science B.V. All rights reserved.

New measurements of the η and K⁰masses

LAMANNA, GIANLUCA;GIUDICI, SERGIO;SOZZI, MARCO STANISLAO;
2002-01-01

Abstract

New measurements of the eta and K-0 masses have been performed using decays to 3pi(0) with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects, the results M(eta) = 547.843 +/- 0.051 MeV/c(2) and M(K-0) = 497.625 +/- 0.031 MeV/c(2) were obtained. (C) 2002 Elsevier Science B.V. All rights reserved.
2002
Lai, A; Marras, D; Batley, Jr; Bevan, Aj; Dosanjh, Rs; Gershon, Tj; Kalmus, Ge; Lazzeroni, C; Munday, Dj; Olaiya, E; Parker, Ma; White, To; Wotton, Sa; Barr, G; Bocquet, G; Ceccucci, A; Cuhadar Donszelmann, T; Cundy, D; D'Agostini, G; Doble, N; Felaleev, V; Funk, W; Gatignon, L; Gonidec, A; Gorini, B; Govi, G; Grafstrom, P; Kubischta, W; Lacourt, A; Lenti, M; Mikulec, I; Norton, A; Palestini, S; Panzer Steindel, B; Schinzel, D; Tatishvili, G; Taureg, H; Velasco, M; Wahl, H; Cheskov, C; Hristov, P; Kekelidze, V; Madigojine, D; Molokanova, N; Potrebenikov, Y; Zinchenko, A; Martin, Vj; Rubin, P; Sacco, R; Walker, A; Bettoni, D; Calabrese, R; Contabrigo, M; Dalpiaz, P; Duclos, J; Frabetti, Pl; Gianoli, A; Luppi, E; Martini, M; Masetti, L; Petrucci, F; Savrie, M; Scarpa, M; Bizzeti, A; Calvetti, M; Collazuol, G; Graziani, G; Iacopini, E; Martelli, F; Veltri, M; Becker, Hg; Eppard, M; Fox, H; Hirstius, A; Holtz, K; Kalter, A; Kleinknecht, K; Koch, U; Kopke, L; da Silva, Pl; Marouelli, P; Mestvirishvili, I; Pellmann, I; Peters, A; Schmidt, Sa; Schonharting, V; Schue, Y; Wanke, R; Winhart, A; Wittgen, M; Chollet, Jc; Fayard, L; Iconomidou Fayard, L; Ocariz, J; Unal, G; Wingerter Seez, I; Anzivino, G; Cenci, P; Imbergamo, E; Lamanna, Gianluca; Lubrano, P; Mestvirishvili, A; Nappi, A; Pepe, M; Piccini, M; Casali, R; Cerri, C; Cirilli, M; Costantini, Flavio; Fantechi, R; Fiorini, L; Giudici, Sergio; Mannelli, I; Pierazzini, G; Sozzi, MARCO STANISLAO; Cheze, Jb; Cogan, J; De Beer, M; Debu, P; Derue, F; Formica, A; Gouge, G; de Cassagnac, Rg; Marel, G; 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; Jeitler, M; Markytan, M; Neuhofer, G; Pernicka, M; Taurok, A; Widhalm, L.
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