Measurement of the forward-backward asymmetries of e(+)e(-)→ Z → b(b)over-bar and e(+)e(-)→ Z → c(c)over-bar using prompt leptons
- 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.D.
- Arnoud, Y.
- Ask, S.
- Asman, B.
- Augustin, E.
- Augustinus, A.
- Baillon, P.
- Ballestrero, A.
- Bambade, P.
- Barbier, R.
- Bardin, D.
- Barker, G.
- Baroncelli, A.
- Battaglia, M.
- Baubillier, M.
- Becks, K.H.
- 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, L.
- Borisov, G.
- Botner, O.
- Bouquet, B.
- Bowcock, V.
- Boyko, I.
- Bracko, M.
- Brenner, R.
- Brodet, E.
- Bruckman, P.
- Brunet, M.
- 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, U.
- Cieslik, K.
- Collins, P.
- Contri, R.
- Cosme, G.
- Cossutti, F.
- Costa, J.
- 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.
- Santo, C.E.
- 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.
- Gokieli, R.
- Golob, B.
- Ceballos, G.G.
- Goncalves, P.
- Graziani, E.
- Grosdidier, G.
- Grzelak, K.
- Guy, J.
- Haag, C.
- Hallgren, A.
- Hamacher, K.
- Hamilton, K.
- Haug, S.
- Hauler, F.
- Hedberg, V.
- Hennecke, M.
- Herr, H.
- Hoffman, J.
- Holmgren, S.O.
- Holt, J.
- Houlden, A.
- Hultqvist, K.
- Jackson, N.
- Jarlskog, G.
- Jarry, P.
- Jeans, D.
- Johansson, K.
- Johansson, D.
- Jonsson, P.
- Joram, C.
- Jungermann, L.
- Kapusta, F.
- Katsanevas, S.
- Katsoufis, E.
- Kernel, G.
- Kersevan, P.
- Kerzel, U.
- Kiiskinen, A.
- King, T.
- Kjaer, J.
- 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, H.
- Lopez, M.
- Loukas, D.
- Lutz, P.
- Lyons, L.
- MacNaughton, J.
- Malek, A.
- Maltezos, S.
- Mandl, F.
- Marco, J.
- Marco, R.
- Marechal, B.
- Margoni, M.
- Marin, J.C.
- Mariotti, C.
- Markou, A.
- Martinez-Rivero, C.
- Masik, J.
- Mastroyiannopoulos, N.
- Matorras, F.
- Matteuzzi, C.
- Mazzucato, F.
- Mazzucato, M.
- Mc Nulty, R.
- Meroni, C.
- 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, P.
- Palka, H.
- Papadopoulou, D.
- 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.
Publication date
January 2004
DOI Publisher
Springer Science and Business Media LLCAbstract
The forward-backward asymmetries of the processes e(+) e(-) → Z → b (b) over bar and e(+)e(-) → Z → c (c) over bar were measured from a sample of hadronic Z decays collected by the DELPHI experiment between 1993 and 1995. Enriched samples of b (b) over bar and c (c) over bar events were obtained using lifetime information. The tagging of b and c quarks in these samples was based on the semileptonic decay channels b/c → X + mu and b/c → X + e combined with charge flow information from the hemisphere opposite to the lepton. Combining the A(FB)(b (b) over bar) and A(FB)(c (c) over bar) measurements presented in this paper with published results based on 1991 and 1992 DELPHI data samples, the following pole asymmetries were obtained: A(FB)(0,b)...
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