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Search for charged Higgs bosons in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 181-184 GeV

Data collected at centre-of-mass energies of 181-184 GeV by ALEPH at LEP, corresponding to an integrated luminosity of 56.9 pb^-1, are analysed in a search for pair-produced charged Higgs bosons H+-. Three analyses are employed to select the tau nu tau nu, tau nu c s and c s c s final states. No evi...

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Detalles Bibliográficos
Autores principales: Barate, R., Decamp, D., Ghez, Philippe, Goy, C., Jezequel, S., Lees, J.P., Martin, F., Merle, E., Minard, M.N., Nief, J.Y., Pietrzyk, B., Alemany, R., Casado, M.P., Chmeissani, M., Crespo, J.M., Delfino, M., Fernandez, E., Fernandez-Bosman, M., Garrido, L., Grauges, E., Juste, A., Martinez, M., Merino, G., Miquel, R., Mir, L.M., Morawitz, P., Pacheco, A., Park, I.C., Pascual, A., Riu, I., Sanchez, F., Colaleo, A., Creanza, D., de Palma, M., Gelao, G., Iaselli, G., Maggi, G., Maggi, M., Nuzzo, S., Ranieri, A., Raso, G., Ruggieri, F., Selvaggi, G., Silvestris, L., Tempesta, P., Tricomi, A., Zito, G., Huang, X., Lin, J., Ouyang, Q., Wang, T., Xie, Y., Xu, R., Xue, S., Zhang, J., Zhang, L., Zhao, W., Abbaneo, D., Becker, U., Boix, G., Cattaneo, M., Ciulli, V., Dissertori, G., Drevermann, H., Forty, R.W., Frank, M., Gianotti, F., Halley, A.W., Hansen, J.B., Harvey, John, Janot, P., Jost, B., Lehraus, I., Leroy, O., Loomis, C., Maley, P., Mato, P., Minten, A., Moutoussi, A., Ranjard, F., Rolandi, Gigi, Rousseau, D., Schlatter, D., Schmitt, M., Schneider, O., Tejessy, W., Teubert, F., Tomalin, I.R., Tournefier, E., Vreeswijk, M., Wright, A.E., Ajaltouni, Z., Badaud, F., Chazelle, G., Deschamps, O., Dessagne, S., Falvard, A., Ferdi, C., Gay, P., Guicheney, C., Henrard, P., Jousset, J., Michel, B., Monteil, S., Montret, J.C., Pallin, D., Perret, P., Podlyski, F., Hansen, J.D., Hansen, J.R., Hansen, P.H., Nilsson, B.S., Rensch, B., Waananen, A., Daskalakis, G., Kyriakis, A., Markou, C., Simopoulou, E., Vayaki, A., Blondel, A., Brient, J.C., Machefert, F., Rouge, A., Swynghedauw, M., Tanaka, R., Valassi, A., Videau, H., Focardi, E., Parrini, G., Zachariadou, K., Cavanaugh, R., Corden, M., Georgiopoulos, C., Antonelli, A., Bencivenni, G., Bologna, G., Bossi, F., Campana, P., Capon, G., Cerutti, F., Chiarella, V., Laurelli, P., Mannocchi, G., Murtas, F., Murtas, G.P., Passalacqua, L., Pepe-Altarelli, M., Chalmers, M., Curtis, L., Lynch, J.G., Negus, P., O'Shea, V., Raeven, B., Raine, C., Smith, D., Teixeira-Dias, P., Thompson, A.S., Ward, J.J., Buchmuller, O., Dhamotharan, S., Geweniger, C., Hanke, P., Hansper, G., Hepp, V., Kluge, E.E., Putzer, A., Sommer, J., Tittel, K., Werner, S., Wunsch, M., Beuselinck, R., Binnie, D.M., Cameron, W., Dornan, P.J., Girone, M., Goodsir, S., Marinelli, N., Martin, E.B., Nash, J., Nowell, J., Sedgbeer, J.K., Spagnolo, P., Thomson, Evelyn J., Williams, M.D., Ghete, V.M., Girtler, P., Kneringer, E., Kuhn, D., Rudolph, G., Betteridge, A.P., Bowdery, C.K., Buck, P.G., Colrain, P., Crawford, G., Ellis, G., Finch, A.J., Foster, F., Hughes, G., Jones, R.W.L., Robertson, N.A., Williams, M., van Gemmeren, P., Giehl, I., Holldorfer, F., Hoffmann, C., Jakobs, K., Kleinknecht, K., Krocker, M., Nurnberger, H.A., Quast, G., Renk, B., Rohne, E., Sander, H.G., Schmeling, S., Wachsmuth, H., Zeitnitz, C., Ziegler, T., Aubert, J.J., Benchouk, C., Bonissent, A., Carr, J., Coyle, P., Ealet, A., Fouchez, D., Motsch, F., Payre, P., Talby, M., Thulasidas, M., Tilquin, A., Aleppo, M., Antonelli, M., Ragusa, F., Berlich, R., Buescher, Volker, Dietl, H., Ganis, G., Huttmann, K., Lutjens, G., Mannert, C., Manner, W., Moser, H.G., Schael, S., Settles, R., Seywerd, H., Stenzel, H., Wiedenmann, W., Wolf, G., Azzurri, P., Boucrot, J., Callot, O., Chen, S., Davier, M., Duflot, L., Grivaz, J.F., Heusse, P., Jacholkowska, A., Kado, M., Lefrancois, J., Serin, L., Veillet, J.J., Videau, I., de Vivie de Regie, J.B., Zerwas, D., Bagliesi, Giuseppe, Bettarini, S., Boccali, T., Bozzi, C., Calderini, G., Dell'Orso, R., Ferrante, I., Giassi, A., Gregorio, A., Ligabue, F., Lusiani, A., Marrocchesi, P.S., Messineo, A., Palla, F., Rizzo, G., Sanguinetti, G., Sciaba, A., Sguazzoni, G., Tenchini, R., Vannini, C., Venturi, A., Verdini, P.G., Blair, G.A., Coles, J., Cowan, G., Green, M.G., Hutchcroft, D.E., Jones, L.T., Medcalf, T., Strong, J.A., von Wimmersperg-Toeller, J.H., Botterill, D.R., Clifft, R.W., Edgecock, T.R., Norton, P.R., Thompson, J.C., Bloch-Devaux, Brigitte, Colas, P., Fabbro, B., Faif, G., Lancon, E., Lemaire, M.C., Locci, E., Perez, P., Przysiezniak, H., Rander, J., Renardy, J.F., Rosowsky, A., Trabelsi, A., Tuchming, B., Vallage, B., Black, S.N., Dann, J.H., Kim, H.Y., Konstantinidis, N., Litke, A.M., McNeil, M.A., Taylor, G., Booth, C.N., Cartwright, S.L., Combley, F., Hodgson, P.N., Kelly, M.S., Lehto, M.H., Thompson, L.F., Affholderbach, K., Boehrer, Armin, Brandt, S., Grupen, C., Misiejuk, A., Prange, G., Sieler, U., Giannini, G., Gobbo, B., Putz, J., Rothberg, J.E., Wasserbaech, S., Williams, R.W., Armstrong, S.R., Charles, E., Elmer, P., Ferguson, D.P.S., Gao, Y., Gonzalez, S., Greening, T.C., Hayes, O.J., Hu, H., Jin, S., McNamara, P.A., III, Nachtman, J.M., Nielsen, J., Orejudos, W., Pan, Y.B., Saadi, Y., Scott, I.J., Walsh, J., Wu, S.L., Wu, X., Zobernig, G.
Lenguaje:eng
Publicado: 1999
Materias:
Acceso en línea:https://dx.doi.org/10.1016/S0370-2693(99)00149-5
http://cds.cern.ch/record/378899
Descripción
Sumario:Data collected at centre-of-mass energies of 181-184 GeV by ALEPH at LEP, corresponding to an integrated luminosity of 56.9 pb^-1, are analysed in a search for pair-produced charged Higgs bosons H+-. Three analyses are employed to select the tau nu tau nu, tau nu c s and c s c s final states. No evidence for a signal is found. Mass limits are set as a function of the branching fraction B( H+ -> tau+ nu ). Under the assumption that the decay modes considered cover the totality of the possible final states, charged Higgs bosons with masses below 59 GeV/c^2 are excluded at 95% C.L. independently of B( H+ -> tau+ nu ).