Measurement of the decay rate and the parameter αK* of the decay KL → μμγ

Autor: Fanti, V., Lai, A., Musa, L., Nappi, A., Setzu, M. G., Moore, R. W., Munday, D. J., Parker, M. A., Takach, S. F., White, T. O., Barr, G., Bocquet, G., Bremer, J., Ceccucci, A., Cogan, J., Cundy, D., Doble, N., Fischer, G., Funk, W., Gatignon, L., Gianoli, A., Gonidec, A., Grafstrom, P., Kubischta, W., Marzulli, V., Kesseler, G., Matheys, J. P., Norton, A., Palestini, S., Panzer-Steindel, B., Taureg, H., Velasco, M., Vossnack, O., Wahl, H., Kekelidze, V., Kojevnikov, I., Potrebenikov, I., Tatichvili, G., Tkatchev, A., Bertolotto, L., Boyle, O., Hay, B., Mc Kay, N. E., Oakland, G., Parsons, H., Peach, K. J., Talamonti, C., Walker, A., Dalpiaz, P., Duclos, J., Formica, A., Frabetti, P. L., Martini, M., Petrucci, F., Porcu, M., Rossi, F., Savrie, M., Simani, C., Bizzeti, A., Calvetti, M., Lenti, M., Michetti, A., Becker, H. G., Beier, T., Blümer, H., Buchholz, P., Coward, D., Ebersberger, C., Kalter, A., Kleinknecht, K., Koch, U., Köpke, L., Leber, F., Luitz, S., Renk, B., Scheidt, J., Schmidt, J., Schönharting, V., Wilhelm, R., Zeitnitz, O., Chollet, J. C., Crépé, S., Fayard, L., Ocariz, J., Unal, G., Giuseppina Anzivino, Cenci, P., Lubrano, P., Pepe, M., Calafiura, P., Carosi, R., Casali, R., Cerri, C., Costantini, F., Fantechi, R., Giudici, S., Gorini, B., Mannelli, I., Pierazzini, G., Sozzi, M., Cheze, J. B., Beer, M., Debu, P., Hristov, P., Mazzucato, E., Peyaud, B., Schanne, S., Steinkamp, O., Turlay, R., Vallage, B., Augustin, I., Bender, M., Holder, M., Schwarze, I., Ziolkowski, M., Arcidiacono, R., Biino, C., Govi, G., Maas, P., Marchetto, F., Menichetti, E., Dibon, H., Jeitler, M., Markytan, M., Mikulec, I., Neuhofer, G., Pernicka, M., Taurok, A.

Publikováno v: Scopus-Elsevier

The rate of the decay of the neutral K meson into KL0 → μμγ has been measured with the NA48 detector at the CERN SPS. A total of 59 events has been observed with an estimated background of 14 events. The overall Kaon flux was determined to be 1.

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