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    Coan, T E; Liu, F; Maravin, Y; Stroynowski, R; Artuso, M; Boulahouache, C; Blusk, S; Bukin, K; Dambasuren, E; Mountain, R; Muramatsu, H; Nandakumar, R; Skwarnicki, T; Wang, J C; Mahmood, A H; Csorna, S E; Danko, I; Bonvicini, G; Dubrovin, M; McGee, S; Bornheim, A; Lipeles, E; Pappas, S P; Shapiro, A; Chen, G P; Ferguson, T; Berkelman, K; Boisvert, V; Cassel, D G; Drell, P S; Duboscq, J E; Ecklund, K M; Ehrlich, R; Galik, R S; Gittelman, B; Hartill, D L; Heltsley, B K; Hsu, L; Jones, C D; Kandaswamy, J; Kreinick, D L; Mahlke-Krüger, H; Meyer, T O; Mistry, N B; Pivarski, J; Richichi, S J; Sadoff, A J; Schwarthoff, H; Shepherd, M R; Urner, D; Wilksen, T; Warburton, A; Weinberger, M; Athar, S B; Avery, P; Potlia, V; Stoeck, H; Yelton, J; Benslama, K; Eisenstein, B I; Gollin, G D; Plager, C; Sedlack, C; Thaler, J J; Williams, J; Edwards, K W; Besson, D; Anderson, S; Gong, D T; Kubota, Y; Smith, A; Stepaniak, C J; Urheim, J; Metreveli, Z; Seth, K K; Tomaradze, A; Zweber, P; Ahmed, S; Alam, M S; Ernst, J; Jian, L; Saleem, M; Gan, K K; Honscheid, K; Hufnagel, D; Kagan, H; Kass, R; Pedlar, T K; Zoeller, M M; Severini, H; Skubic, P; Mueller, J A; Nam, S; Savinov, V; Hinson, J W; Shibata, E I; Shipsey, I P J; Cronin-Hennessy, D; Thayer, J B; Thorndike, E H

    Physical review letters, 2003-Mar-14, 20030314, Letnik: 90, Številka: 10
    Journal Article

    Using 13.8 fb(-1) of data collected at or just below the Upsilon(4S) with the CLEO detector, we report the result of a search for the flavor changing neutral current process D0-->gammagamma. We observe no significant signal for this decay mode and determine 90% confidence level upper limits on the branching fractions B(D0-->gammagamma)/B(D0-->pi(0)pi(0))<0.033 and B(D0-->gammagamma)<2.9 x 10(-5).