@article{3075693,
    title = "Search for excited charged leptons in Z0 decays",
    author = "Abreu, P. and Adam, W. and Adami, F. and Adye, T. and Akesson, T. and Alekseev, G.D. and Allen, P. and Almehed, S. and Alted, F. and Alvsvaag, S.J. and Amaldi, U. and Anassontzis, E. and Antilogus, P. and Apel, W.-D. and Åsman, B. and Astier, P. and Augustin, J.-E. and Augustinus, A. and Baillon, P. and Bambade, P. and Barao, F. and Barbiellini, G. and Bardin, D.Y. and Baroncelli, A. and Barring, O. and Bartl, W. and Bates, M.J. and Baubillier, M. and Becks, K.-H. and Beeston, C.J. and Begalli, M. and Beilliere, P. and Belokopytov, Yu. and Beltran, P. and Benedic, D. and Benlloch, J.M. and Berggren, M. and Bertrand, D. and Biagi, S. and Bianchi, F. and Bibby, J.H. and Bilenky, M.S. and Billoir, P. and Bjarne, J. and Bloch, D. and Blyth, S. and Bogolubov, P.N. and Bolognese, T. and Bonapart, M. and Bonesini, M. and Bonivento, W. and Booth, P.S.L. and Boratav, M. and Borgeaud, P. and Borisov, G. and Borner, H. and Bosio, C. and Botner, O. and Bouquet, B. and Bozzo, M. and Braibant, S. and Branchini, P. and Brand, K.D. and Brenner, R.A. and Bricman, C. and Brown, R.C.A. and Brummer, N. and Brunet, J.-M. and Bugge, L. and Buran, T. and Burmeister, H. and Buytaert, J.A.M.A. and Caccia, M. and Calvi, M. and Camacho Rozas, A.J. and Campagne, J.-E. and Campion, A. and Camporesi, T. and Canale, V. and Cao, F. and Carroll, L. and Caso, C. and Castelli, E. and Castillo Gimenez, M.V. and Cattai, A. and Cavallo, F.R. and Cerrito, L. and Charpentier, P. and Checchia, P. and Chelkov, G.A. and Chevalier, L. and Chliapnikov, P. and Chorowicz, V. and Cirio, R. and Collins, M.P. and Contreras, J.L. and Contri, R. and Cosme, G. and Couchot, F. and Crawley, H.B. and Crennell, D. and Crosetti, G. and Crosland, N. and Crozon, M. and Cuevas Maestro, J. and Czellar, S. and Dagoret, S. and Dahl-Jensen, E. and Dalmagne, B. and Dam, M. and Damgaard, G. and Darbo, G. and Daubie, E. and Dauncey, P.D. and Davenport, M. and David, P. and De Angelis, A. and De Beer, M. and De Boeck, H. and De Boer, W. and De Clercq, C. and De Fez Laso, M.D.M. and De Groot, N. and De La Vaissiere, C. and De Lotto, B. and De Min, A. and Defoix, C. and Delikaris, D. and Delorme, S. and Delpierre, P. and Demaria, N. and Derkaoui, J. and Di Ciaccio, L. and Dijkstra, H. and Djama, F. and Dolbeau, J. and Donszelmann, M. and Doroba, K. and Dracos, M. and Drees, J. and Dris, M. and Dufour, Y. and Dulinski, W. and Dzhelyadin, R. and Eek, L.-O. and Eerola, P.A.-M. and Ekelof, T. and Ekspong, G. and Elliot Peisert, A. and Engel, J.P. and Falaleev, V. and Fassouliotis, D. and Fernandez Alonso, M. and Ferrer, A. and Filippas, T.A. and Firestone, A. and Foeth, H. and Fokitis, E. and Folegati, P. and Fontanelli, F. and Forsbach, H. and Franek, B. and Frenkiel, P. and Fries, D.C. and Frodesen, A.G. and Fruhwirth, R. and Fulda-Quenzer, F. and Furnival, K. and Furstenau, H. and Fuster, J. and Gago, J.M. and Galeazzi, G. and Gamba, D. and Garcia, C. and Garcia, J. and Gasparini, U. and Gavillet, P. and Gazis, E.N. and Gerber, J.-P. and Giacomelli, P. and Glitza, K.-W. and Gokieli, R. and Golovatyuk, V.M. and Gomez Y Cadenas, J.J. and Goobar, A. and Gopal, G. and Gorski, M. and Gracco, V. and Grant, A. and Grard, F. and Graziani, E. and Gros, M.-H. and Grosdidier, G. and Grossetete, B. and Gumenyuk, S. and Guy, J. and Hahn, F. and Hahn, M. and Haider, S. and Hajduk, Z. and Hakansson, A. and Hallgren, A. and Hamacher, K. and Hamel De Monchenault, G. and Harris, F.J. and Heck, B.W. and Herbst, I. and Hernandez, J.J. and Herquet, P. and Herr, H. and Hietanen, I. and Higon, E. and Hilke, H.J. and Hodgson, S.D. and Hofmokl, T. and Holmes, R. and Holmgren, S.-O. and Holthuizen, D. and Honore, P.F. and Hooper, J.E. and Houlden, M. and Hrubec, J. and Hulth, P.O. and Hultqvist, K. and Husson, D. and Hyams, B.D. and Ioannou, P. and Isenhower, D. and Iversen, P.-S. and Jackson, J.N. and Jalocha, P. and Jarlskog, G. and Jarry, P. and Jean-Marie, B. and Johansson, E.K. and Johnson, D. and Jonker, M. and Jonsson, L. and Juillot, P. and Kalkanis, G. and Kalmus, G. and Kantardjian, G. and Kapusta, F. and Katsanevas, S. and Katsoufis, E.C. and Keranen, R. and Kesteman, J. and Khomenko, B.A. and Khovanski, N.N. and King, B. and Kjaer, N.J. and Klein, H. and Klempt, W. and Klovning, A. and Kluit, P. and Koehne, J.H. and Koene, B. and Kokkinias, P. and Kopf, M. and Koratzinos, M. and Korcyl, K. and Korytov, A.V. and Korzen, B. and Kostukhin, V. and Kourkoumelis, C. and Kreuzberger, T. and Krolikowski, J. and Kruener-Marquis, U. and Krupinski, W. and Kucewicz, W. and Kurvinen, K. and Lacasta, C. and Lambropoulos, C. and Lamsa, J.W. and Lanceri, L. and Lapin, V. and Laugier, J.-P. and Lauhakangas, R. and Leder, G. and Ledroit, F. and Lemonne, J. and Lenzen, G. and Lepeltier, V. and Letessier-Selvon, A. and Liko, D. and Lieb, E. and Lillethun, E. and Lindgren, J. and Lipniacka, A. and Lippi, I. and Llosa, R. and Loerstad, B. and Lokajicek, M. and Loken, J.G. and Lopez Aguera, M.A. and Lopez-Fernandez, A. and Los, M. and Loukas, D. and Lounis, A. and Lozano, J.J. and Lucock, R. and Lutz, P. and Lyons, L. and Maehlum, G. and Maillard, J. and Maltezos, A. and Maltezos, S. and Mandl, F. and Marco, J. and Margoni, M. and Marin, J.-C. and Markou, A. and Marti, S. and Mathis, L. and Matorras, F. and Matteuzzi, C. and Matthiae, G. and Mazzucato, M. and Mc Cubbin, M. and Mc Kay, R. and Mc Nulty, R. and Menichetti, E. and Meroni, C. and Meyer, W.T. and Michelotto, M. and Mitaroff, W.A. and Mitselmakher, G.V. and Mjoernmark, U. and Moa, T. and Moeller, R. and Moenig, K. and Monge, M.R. and Morettini, P. and Mueller, H. and Muller, H. and Murray, W.J. and Myatt, G. and Naraghi, F. and Nau-Korzen, U. and Navarria, F.L. and Negri, P. and Nielsen, B.S. and Nijjhar, B. and Nikolaenko, V. and Obraztsov, V. and Olshevski, A.G. and Orava, R. and Ostankov, A. and Ouraou, A. and Pain, R. and Palka, H. and Papadopoulou, T. and Pape, L. and Passeri, A. and Pegoraro, M. and Perevozchikov, V. and Pernicka, M. and Perrotta, A. and Pierre, F. and Pimenta, M. and Pingot, O. and Pinsent, A. and Pol, M.E. and Polok, G. and Poropat, P. and Privitera, P. and Pullia, A. and Pyythia, J. and Radojicic, D. and Ragazzi, S. and Range, W.H. and Ratoff, P.N. and Read, A.L. and Redaelli, N.G. and Regler, M. and Reid, D. and Renton, P.B. and Resvanis, L.K. and Richard, F. and Richardson, M. and Ridky, J. and Rinaudo, G. and Roditi, I. and Romero, A. and Roncagliolo, I. and Ronchese, P. and Ronnqvist, C. and Rosenberg, E.I. and Rossi, U. and Rosso, E. and Roudeau, P. and Rovelli, T. and Ruckstuhl, W. and Ruhlmann, V. and Ruiz, A. and Rybicki, K. and Saarikko, H. and Sacquin, Y. and Salt, J. and Sanchez, E. and Sanchez, J. and Sannino, M. and Schaeffer, M. and Schneider, H. and Scuri, F. and Segar, A.M. and Sekulin, R. and Sessa, M. and Sette, G. and Seufert, R. and Shellard, R.C. and Siegrist, P. and Simonetti, S. and Simonetto, F. and Sissakian, A.N. and Skaali, T.B. and Skjevling, G. and Smadja, G. and Smith, G.R. and Smirnov, N. and Sosnowski, R. and Spassoff, T.S. and Spiriti, E. and Squarcia, S. and Staeck, H. and Stanescu, C. and Stavropoulos, G. and Stichelbaut, F. and Stocchi, A. and Strauss, J. and Strub, R. and Stubenrauch, C.J. and Szczekowski, M. and Szeptycka, M. and Szymanski, P. and Tabarelli, T. and Tavernier, S. and Theodosiou, G.E. and Tilquin, A. and Timmermans, J. and Timofeev, V.G. and Tkatchev, L.G. and Todorov, T. and Toet, D.Z. and Tortora, L. and Trainor, M.T. and Treille, D. and Trevisan, U. and Trischuk, W. and Tristram, G. and Troncon, C. and Tsirou, A. and Tsyganov, E.N. and Turala, M. and Turchetta, R. and Turluer, M.-L. and Tuuva, T. and Tyapkin, I.A. and Tyndel, M. and Tzamarias, S. and Ueberschaer, B. and Ueberschaer, S. and Ullaland, O. and Uvarov, V.A. and Valenti, G. and Vallazza, E. and Valls Ferrer, J.A. and Van Apeldoorn, G.W. and Van Dam, P. and Van Doninck, W.K. and Van Eijndhoven, N. and Vander Velde, C. and Varela, J. and Vaz, P. and Vegni, G. and Velasco, J. and Ventura, L. and Venus, W. and Verbeure, F. and Vertogradov, L.S. and Vibert, L. and Vilanova, D. and Vlasov, E.V. and Vodopyanov, A.S. and Vollmer, M. and Volponi, S. and Voulgaris, G. and Voutilainen, M. and Vrba, V. and Wahlen, H. and Walck, C. and Waldner, F. and Wayne, M. and Weilhammer, P. and Werner, J. and Wetherell, A.M. and Wickens, J.H. and Wikne, J. and Wilkinson, G.R. and Williams, W.S.C. and Winter, M. and Wormald, D. and Wormser, G. and Woschnagg, K. and Yamdagni, N. and Yepes, P. and Zaitsev, A. and Zalewska, A. and Zalewski, P. and Zevgolatakos, E. and Zhang, G. and Zimin, N.I. and Zito, M. and Zitoun, R. and Zukanovich Funchal, R. and Zumerle, G. and Zuniga, J.",
    journal = "ZEITSCHRIFT FUR PHYSIK. SECTION C, PARTICLES AND FIELDS",
    year = "1992",
    volume = "53",
    number = "1",
    pages = "41-49",
    issn = "0170-9739",
    doi = "10.1007/BF01483871",
    abstract = "Using a data sample of 115000 hadronic Z0 decays, a search was performed for the production of excited charged leptons decaying into an ordinary lepton and one photon. Pair production of excited leptons of mass below 45 GeV/c2 is excluded. From an analysis of the lepton-photon mass spectra this experiment is also able to exclude single production of these particles for masses that reach up to 85 GeV/c2, if the compositeness scale is below 1 TeV. © 1992 Springer-Verlag."
}