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Measurement of the $\Xi^{0} \to \Lambda\gamma$ decay asymmetry and branching fraction

In data taken with the NA48 experiment at the CERN SPS in 1999, 730 candidates of the weak radiative hyperon decay $\Xi^{0} \to \Lambda\gamma$ have been found with an estimated background of $58 \pm 8$ events. From these events the $\Xi^{0} \to \Lambda\gamma$ decay asymmetry has been determined to $...

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Detalles Bibliográficos
Autores principales: Lai, A, Marras, D, Bevan, A, Dosanjh, R S, Gershon, T J, Hay, B, Kalmus, George Ernest, Lazzeroni, C, Munday, D J, Olaiya, E, Parker, M A, White, T O, Wotton, S A, Barr, G, Bocquet, G, Ceccucci, Augusto, Çuhadar-Dönszelmann, T, Cundy, Donald C, D'Agostini, Giulio, Doble, Niels T, Falaleev, V P, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafström, P, Kubischta, Werner, Lacourt, A, Norton, A, Palestini, S, Panzer-Steindel, B, Taureg, Hans, Velasco, M, Wahl, H, Cheshkov, C, Gaponenko, A N, Khristov, P Z, Kekelidze, V D, Madigozhin, D T, Molokanova, N A, Potrebenikov, Yu K, Tatishvili, G T, Tkachev, A L, Zinchenko, A I, Knowles, I, Martin, V, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, Pietro, Duclos, J, Frabetti, P L, Gianoli, A, Martini, M, Petrucci, F, Savrié, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Lenti, M, Martelli, F, Veltri, M, Becker, H G, Eppard, K, Eppard, M, Fox, H, Kalter, A, Kleinknecht, K, Koch, U, Köpke, L, Lopes da Silva, P, Marouelli, P, Pellmann, I A, Peters, A, Renk, B, Schmidt, S A, Schönharting, V, Schué, Yu, Wanke, R, Winhart, A, Wittgen, M, Chollet, J C, Fayard, L, Iconomidou-Fayard, L, Ocariz, J, Unal, G, Wingerter-Seez, I, Anzivino, Giuseppina, Cenci, P, Imbergamo, E, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepé, M, Piccini, M, Bertanza, L, Carosi, R, Casali, R, Cerri, C, Cirilli, M, Costantini, F, Fantechi, R, Giudici, Sergio, Mannelli, I, Pierazzini, G M, Sozzi, M, Chèze, J B, Cogan, J, De Beer, M, Debu, P, Formica, A, Granier de Cassagnac, R, Mazzucato, E, Peyaud, B, Turlay, René, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, R, Biino, C, Cartiglia, N, Guida, R, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J P, Rondio, Ewa, Szleper, M, Wislicki, W, Wronka, S, Dibon, Heinz, Fischer, G, Jeitler, Manfred, Markytan, Manfred, Mikulec, I, Neuhofer, Günther, Pernicka, Manfred, Taurok, Anton, Widhalm, L
Lenguaje:eng
Publicado: 2003
Materias:
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2004.01.041
http://cds.cern.ch/record/706531