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Adam, W; Albrecht, T; Alemany-Fernandez, R; Allport, PP; Andringa, S; Augustinus, A; Barbier, R; Bardin, D; Baubillier, M; Begalli, M; Besson, N; Blom, M; Bonesini, M; Botner, O; Boyko, I; Brenner, R; Brodet, E; Bruckman, P; Bugge, L; Calvi, M; Camporesi, T; Chapkin, M; Charpentier, P; Chierici, R; Chung, SU; Contri, R; Cosme, G; Cossutti, F; Crennell, D; Cuevas, J; De Maria, N; Doroba, K; Ellert, M; Fanourakis, G; Fokitis, E; Gavillet, P; Guy, J; Hedberg, Vincent; Holt, PJ; Jarlskog, Göran; Jarry, P; Kapusta, F; Kersevan, BP; King, BT; Krumstein, Z; Kucharczyk, M; Leder, G; Leitner, R; Lenzen, G; Lepeltier, V; Liebig, W; Loukas, D; Mandl, F; Marco, J; Marin, JC; Matteuzzi, C; Montenegro, J; Moraes, D; Mueller, U; Muenich, K; Mundim, L; Muryn, B; Nassiakou, M; Nawrocki, K; Nicolaidou, R; Nygren, Andreas; Parkes, C; Parzefall, U; Perepelitsa, V; Petrolini, A; Poireau, V; Poropat, P; Pullia, A; Renton, P; Ridky, J; Roudeau, P; Ruhlmann-Kleider, V; Salt, J; Savoy-Navarro, A; Schwering, B; Schwickerath, U; Segar, A; Stocchi, A; Stugu, B; Szczekowski, M; Tinti, N; Todorovova, S; Tome, B; Troncon, C; Veloso, F; Washbrook, AJ; Wicke, D; Wickens, J; Wilkinson, G; Winter, M; Yushchenko, O; Zalewska, A; Zimin, NI; Zintchenko, A; Zupan, M
Physics letters. B, 01/2002, Letnik: 525, Številka: 1-2Journal Article
A search for pair-produced charged Higgs bosons was performed in the high energy data collected by the DELPHI detector at LEP II at centre-of-mass energies from 189 GeV to 202 GeV. The three different final states, taunutaunu, c (s) over bar(c) over bars and c (s) over bar taunu were considered. New methods were applied to reject wrong hadronic jet pairings and for the tau identification, where a discriminator based on tau polarisation and polar angles was used. No excess of data compared to the expected Standard Model processes was observed and the existence of a charged Higgs boson with mass lower than 71.5 GeV/c(2) is excluded at the 95% confidence level. (C) 2002 Published by Elsevier Science B.V.
