Search for Leptoquarks and FCNC in e(+)(e)(-) annihilations root s = 183 GeV

Authors
Abreu, P Adam, W Adye, T Adzic, P Aldeweireld, T Alekseev, GD Alemany, R Allmendinger, T Allport, PP Almehed, S Amaldi, U Amato, S Anassontzis, EG Andersson, P Andreazza, A Andringa, S Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P Bambade, P Barao, F Barbiellini, G Barbier, R Bardin, DY Barker, G Baroncelli, A Battaglia, M Baubillier, M Becks, KH Begalli, M Beilliere, P Belokopytov, Y Benvenuti, AC Berat, C Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Bizouard, MA Bloch, D Blom, HM Bonesini, M Bonivento, W Boonekamp, M Booth, PSL Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV Boyko, I Bozovic, I Bozzo, M Branchini, P Brenke, T Brenner, RA Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V Chapkin, M Charpentier, P Chaussard, L Checchia, P Chelkov, GA Chierici, R Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J Collins, P Contri, R Cortina, E Cosme, G Cossutti, F Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S Damgaard, G Davenport, M Da Silva, W Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Dolbeau, J Doroba, K Dracos, M Drees, J Dris, M Duperrin, A Eigen, G Ekelof, T Ekspong, G Ellert, M Elsing, M Engel, JP Erzen, B Santo, ME Falk, E Fanourakis, G Fassouliotis, D Fayot, J Feindt, M Fenyuk, A Ferrari, P Ferrer, A Ferrer-Ribas, E Fichet, S Firestone, A Fischer, PA Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C Garcia, J Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D Gerdyukov, L Ghodbane, N Gil, I Glege, F Gokieli, R Golob, B Gomez-Ceballos, G Goncalves, P Caballero, IG Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V Grahl, J Graziani, E Green, C Grimm, HJ Gris, P Grzelak, K Gunther, M Guy, J Hahn, F Hahn, S Haider, S Hallgren, A Hamacher, K Harris, FJ Hedberg, V Heising, S Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hughes, GJ Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B Johansson, EK Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC Keranen, R Kersevan, BP Khomenko, BA Khovanski, NN Kiiskinen, A King, B Kinvig, A Kjaer, NJ Klapp, O Klein, H Kluit, P Kokkinias, P Koratzinos, M Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C Kriznic, E Krstic, J Krumstein, Z Kubinec, P Kucewicz, W Kurowska, J Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V Leinonen, L Leisos, A Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Lokajicek, M Loken, JG Lopes, JH Lopez, JM Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI Mastroyiannopoulos, N Matorras, F Matteuzzi, C Matthiae, G Mazik, J Mazzucato, F Mazzucato, M McCubbin, M McKay, R McNulty, R McPherson, G Meroni, C Meyer, WT Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR Moreau, X Morettini, P Morton, G Mueller, U Muenich, K Mulders, M Mulet-Marquis, C Muresan, R Murray, WJ Muryn, B Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Neufeld, N Neumeister, N Nicolaidou, R Nielsen, BS Nikolenko, M Nomokonov, V Normand, A Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J Palka, H Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C Parodi, F Parzefall, U Passeri, A Passon, O Pegoraro, R Peralta, L Pernicka, M Perrotta, A Petridou, C Petrolini, A Phillips, HT Pierre, F Pimenta, M Piotto, E Podobnik, T Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S Rahmani, H Ratoff, PN Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Royon, C Ruhlmann-Kleider, V Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G Salt, J Sampsonidis, D Sannino, M Schneider, H Schwemling, P Schwickerath, U Schyns, MAE Scuri, F Seager, P Sedykh, Y Segar, AP Sekulin, R Shellard, RC Sheridan, A Siebel, M Simard, L Simonetto, F Sisakian, AN Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR Sopczak, A Sosnowski, R Spassov, T Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tegenfeldt, F Terranova, F Thomas, J Tilquin, A Timmermans, J Tinti, N Tkatchev, LG Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Tristram, G Trochimczuk, M Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V Valenti, G Vallazza, E Vander Velde, C Van Apeldoorn, GW Van Dam, P Van Doninck, WK Van Eldik, J Van Lysebetten, A Van Vulpen, I Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V Vilanova, D Vitale, L Vlasov, E Vodopyanov, AS Vollmer, C Voulgaris, G Vrba, V Wahlen, H Walck, C Weiser, C Wicke, D Wickens, JH Wilkinson, GR Winter, M Witek, M Wolf, G Yi, J Yushchenko, O Zaitsev, A Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC Zumerle, G
Citation
P. Abreu et al., Search for Leptoquarks and FCNC in e(+)(e)(-) annihilations root s = 183 GeV, PHYS LETT B, 446(1), 1999, pp. 62-74
Citations number
47
Categorie Soggetti
Physics
Journal title
PHYSICS LETTERS B
ISSN journal
03702693 → ACNP
Volume
446
Issue
1
Year of publication
1999
Pages
62 - 74
Database
ISI
SICI code
0370-2693(19990114)446:1<62:SFLAFI>2.0.ZU;2-6
Abstract
A search fur events with one jet and at most one isolated lepton used data taken at LEP-2 by the DELPHI detector. These data were accumulated at a cen ter-of-mass energy of 183 GeV and correspond to an integrated luminosity of 47.7 pb(-1) Production of single scalar and vector leptoquarks was searche d for. Limits at 95% confidence level were derived on the masses (ranging f rom 134GcV/c(2) to 171GeV/c(2) for electromagnetic type couplings) and coup lings of the leptoquark rates. A search for top-charm flavour changing neut ral currents (e(+)e(-) --> (t) over bar c or charge conjugate) used the sem ileptonic decay channel. A limit on the flavour changing cross-section via neutral currents was set at 0.55pb (95%: confidence level). (C) 1999 Elsevi er Science B.V. All rights reserved.