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Detalle de: Inclusive b decays to wrong sign charmed mesons

Title Inclusive b decays to wrong sign charmed mesons
Abstract

The production of wrong sign charmed mesons b→D(s)X, D(s)=(D0,D+,Ds), is studied using the data collected by the DELPHI experiment in the years 1994 and 1995. Charmed mesons in Z→bb̄ events are exclusively reconstructed by searching for the decays D0→K−π+, D+→K−π+π+ and Ds+→φπ+→K+K−π+. The wrong sign contribution is extracted by using two discriminant variables: the charge of the b-quark at decay time, estimated from the charges of identified particles, and the momentum of the charmed meson in the rest frame of the b-hadron. The inclusive branching fractions of b-hadrons into wrong sign charm mesons are measured to be: B(b→D0X)+B(b→D−X)=(9.3±1.7(stat)±1.3(syst)±0.4(B))%, B(b→Ds−X)=(10.1±1.0(stat)±0.6(syst)±2.8(B))% where the first error is statistical, the second and third errors are systematic.

Apa Reference Abdallah, J., Abreu, P., Adam, W., Adzic, P., Albrecht, T., Alderweireld, T., Alemany-Fernandez, R., Allmendinger, T., Allport, P., Amaldi, U., Amapane, N., Amato, S., Anashkin, E., Andreazza, A., Andringa, S., Anjos, N., Antilogus, P., Apel, W., Arnoud, Y., Ask, S., Asman, B., Augustin, J., Augustinus, A., Baillon, P., Ballestrero, A., Bambade, P., Barbier, R., Bardin, D., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K., Begalli, M., Behrmann, A., Ben-Haim, E., Benekos, N., Benvenuti, A., Berat, C., Berggren, M., Berntzon, L., Bertrand, D., Besancon, M., Besson, N., Bloch, D., Blom, M., Bluj, M., Bonesini, M., Boonekamp, M., Booth, P., Borisov, G., Botner, O., Bouquet, B., Bowcock, T., Boyko, I., Bracko, M., Brenner, R., Brodet, E., Bruckman, P., Brunet, J., Bugge, L., Buschmann, P., Calvi, M., Camporesi, T., Canale, V., Carena, F., Castro, N., Cavallo, F., Chapkin, M., Charpentier, P., Checchia, P., Chierici, R., Chliapnikov, P., Chudoba, J., Chung, S., Cieslik, K., Collins, P., Contri, R., Cosme, G., Cossutti, F., Costa, M., Crawley, B., Crennell, D., Cuevas, J., D'Hondt, J., Dalmau, J., da Silva, T., Da Silva, W., Della Ricca, G., De Angelis, A., De Boer, W., De Clercq, C., De Lotto, B., De Maria, N., De Min, A., de Paula, L., Di Ciaccio, L., Di Simone, A., Doroba, K., Drees, J., Dris, M., Eigen, G., Ekelof, T., Ellert, M., Elsing, M., Espirito Santo, M., Fanourakis, G., Fassouliotis, D., Feindt, M., Fernandez, J., Ferrer, A., Ferro, F., Flagmeyer, U., Foeth, H., Fokitis, E., Fulda-Quenzer, F., Fuster, J., Gandelman, M., Garcia, C., Gavillet, P., Gazis, E., Geralis, T., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Graziani, E., Grosdidier, G., Grzelak, K., Guy, J., Haag, C., Hallgren, A., Hamacher, K., Hamilton, K., Hansen, J., Haug, S., Hauler, F., Hedberg, V., Hennecke, M., Herr, H., Hoffman, J., Holmgren, S., Holt, P., Houlden, M., Hultqvist, K., Jackson, J., Jarlskog, G., Jarry, P., Jeans, D., Johansson, E., Johansson, P., Jonsson, P., Joram, C., Jungermann, L., Kapusta, F., Katsanevas, S., Katsoufis, E., Kernel, G., Kersevan, B., Kiiskinen, A., King, B., Kjaer, N., Kluit, P., Kokkinias, P., Kourkoumelis, C., Kouznetsov, O., Krumstein, Z., Kucharczyk, M., Lamsa, J., Leder, G., Ledroit, F., Leinonen, L., Leitner, R., Lemonne, J., Lepeltier, V., Lesiak, T., Liebig, W., Liko, D., Lipniacka, A., Lopes, J., Lopez, J., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Malek, A., Maltezos, S., Mandl, F., Marco, J., Marco, R., Marechal, B., Margoni, M., Marin, J., Mariotti, C., Markou, A., Martinez-Rivero, C., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Mazzucato, F., Mazzucato, M., Mc Nulty, R., Meroni, C., Meyer, W., Migliore, E., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moenig, K., Monge, R., Montenegro, J., Moraes, D., Moreno, S., Morettini, P., Mueller, U., Muenich, K., Mulders, M., Mundim, L., Murray, W., Muryn, B., Myatt, G., Myklebust, T., Nassiakou, M., Navarria, F., Nawrocki, K., Nicolaidou, R., Nikolenko, M., Oblakowska-Mucha, A., Obraztsov, V., Olshevski, A., Onofre, A., Orava, R., Osterberg, K., Ouraou, A., Oyanguren, A., Paganoni, M., Paiano, S., Palacios, J., Palka, H., Papadopoulou, T., Pape, L., Parkes, C., Parodi, F., Parzefall, U., Passeri, A., Passon, O., Peralta, L., Perepelitsa, V., Perrotta, A., Petrolini, A., Piedra, J., Pieri, L., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Poireau, V., Pol, M., Polok, G., Poropat, P., Pozdniakov, V., Pukhaeva, N., Pullia, A., Rames, J., Ramler, L., Read, A., Rebecchi, P., Rehn, J., Reid, D., Reinhardt, R., Renton, P., Richard, F., Ridky, J., Rivero, M., Rodriguez, D., Romero, A., Ronchese, P., Rosenberg, E., Roudeau, P., Rovelli, T., Ruhlmann-Kleider, V., Ryabtchikov, D., Sadovsky, A., Salmi, L., Salt, J., Savoy-Navarro, A., Schwickerath, U., Schwanda, C., Segar, A., Sekulin, R., Siebel, M., Sisakian, A., Smadja, G., Smirnova, O., Sokolov, A., Sopczak, A., Sosnowski, R., Spassov, T., Stanitzki, M., Stocchi, A., Strauss, J., Stugu, B., Szczekowski, M., Szeptycka, M., Szumlak, T., Tabarelli, T., Taffard, A., Tegenfeldt, F., Timmermans, J., Tkatchev, L., Tobin, M., Todorovova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortosa, P., Travnicek, P., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M., Tyapkin, I., Tyapkin, P., Tzamarias, S., Uvarov, V., Valenti, G., Van Dam, P., Van Eldik, J., Van Lysebetten, A., van Remortel, N., Van Vulpen, I., Vegni, G., Veloso, F., Venus, W., Verbeure, F., Verdier, P., Verzi, V., Vilanova, D., Vitale, L., Vrba, V., Wahlen, H., Washbrook, A., Weiser, C., Wicke, D., Wickens, J., Wilkinson, G., Winter, M., Witek, M., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zimin, N., Zintchenko, A. & Zupan, M. (2003). Inclusive b decays to wrong sign charmed mesons. Physics Letters B, 561(1-2), 26-40. 10.1016/S0370-2693(03)00387-3
Doi 10.1016/S0370-2693(03)00387-3
Publication Date May 2003
Publication Type Article
Researcher David Rodríguez González
Ontology
Research Groups
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