New measurements of the eta and Kappa(0) masses

New measurements of the η and K0 masses have been performed using decays to 3π0 with the NA48 detector at the CERN SPS. Using symmetric decays to reduce systematic effects, the results M(η) = 547.843 ± 0.051 MeV/c2 and M(K0) = 497.625 ± 0.031 MeV/c2 were obtained. © 2002 Elsevier Science B.V. All ri...

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Bibliographic Details
Main Authors:	Lai, A, Marras, D, Batley, JR, Bevan, A, Dosanjh, R, Gershon, T, Kalmus, G, Lazzeroni, C, Munday, D, Olaiya, E, Parker, M, White, T, 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
Format:	Journal article
Published:	2002

New measurements of the eta and Kappa(0) masses

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