Data di Pubblicazione:
1996
Abstract:
A search for pair production of the lightest chargino at root-s = 130.4 and 136.3 GeV has been carried out using the data sample corresponding to the 5.92 pb(-1) recorded by the DELPHI detector during the high energy run of LEP in the last period of 1995. The theoretical reference model has been the Minimal Supersymmetric Standard Model with R-parity conservation. The three topologies expected for the decay of a pair of charginos, namely two acoplanar leptons plus missing energy (ll), two jets and an isolated lepton plus missing (jjl) and missing energy in a hadronic environment (root-s), were investigated. No evidence of a signal was found. Lower mass limits were derived for various scenarios, including the case of a low mass difference between the chargino and the neutralino and of a light sneutrino. The mass limits range between 56.3 GeV/c(2) and the kinetic limit.
Tipologia CRIS:
Articolo su Rivista
Keywords:
DELPHI; lightest chargino; minimal Supersymmetric Standard model
Elenco autori:
Abreu, P; Adam, W; Adye, T; Agasi, E; Ajinenko, I; Aleksan, R; Alekseev, Gd; Alemany, R; Allport, Pp; Almehed, S; Amaldi, U; Amato, S; Andreazza, A; Andrieux, Ml; Antilogus, P; Apel, Wd; Arnoud, Y; Asman, B; Augustin, Je; Augustinus, A; Baillon, P; Bambade, P; Barao, F; Barate, R; Barbi, M; Bardin, Dy; Baroncelli, A; Barring, O; Barrio, Ja; Bartl, W; Bates, Mj; Battaglia, M; Baubillier, M; Baudot, J; Becks, Kh; Begalli, M; Beilliere, P; Belokopytov, Y; Belous, K; Benvenuti, Ac; Berggren, M; Bertini, D; Bertrand, D; Bianchi, F; Bigi, M; Bilenky, Ms; Billoir, P; Bloch, D; Blume, M; Bolognese, T; Bonesini, M; Bonivento, W; Booth, Psl; Bosio, C; Botner, O; Boudinov, E; Bouquet, B; Bourdarios, C; Bowcock, Tjv; Bozzo, M; Branchini, P; Brand, Kd; Brenke, T; Brenner, Ra; Bricman, C; Brown, Rca; Bruckman, P; Brunet, Jm; Bugge, L; Buran, T; Burgsmueller, T; Buschmann, P; Buys, A; Cabrera, S; Caccia, Massimo; Calvi, M; Rozas, Ajc; Camporesi, T; Canale, V; Canepa, M; Cankocak, K; Cao, F; Carena, F; Carroll, L; Caso, C; Gimenez, Mvc; Cattai, A; Cavallo, Fr; Chabaud, V; Chapkin, M; Charpentier, P; Chaussard, L; Checchia, P; Chelkov, Ga; Chen, M; Chierici, R; Chliapnikov, P; Chochula, P; Chorowicz, V; Cindro, V; Collins, P; Contreras, Jl; Contri, R; Cortina, E; Cosme, G; Cossutti, F; Crawley, Hb; Crennell, D; Crosetti, G; Maestro, Jc; Czellar, S; Dahljensen, E; Dahm, J; Dalmagne, B; Dam, M; Damgaard, G; Dauncey, Pd; Davenport, M; Dasilva, W; Defoix, C; Deghorain, A; Dellaricca, G; Delpierre, P; Demaria, N; Deangelis, A; Deboer, W; Debrabandere, S; Declercq, C; Delavaissiere, C; Delotto, B; Demin, A; Depaula, L; Desaintjean, C; Dijkstra, H; Diciaccio, L; Djama, F; Dolbeau, J; Donszelmann, M; Doroba, K; Dracos, M; Drees, J; Drees, Ka; Dris, M; Durand, Jd; Edsall, D; Ehret, R; Eigen, G; Ekelof, T; Ekspong, G; Elsing, M; Engel, Jp; Erzen, B; Santo, Me; Falk, E; Fassouliotis, D; Feindt, M; Ferrer, A; Fichet, S; Filippas, Ta; Firestone, A; Fischer, Pa; Foeth, H; Fokitis, E; Fontanelli, F; Formenti, F; Franek, B; Frenkiel, P; Fries, Dc; Frodesen, Ag; Fruhwirth, R; Fuldaquenzer, F; Fuster, J; Galloni, A; Gamba, D; Gandelman, M; Garcia, C; Garcia, J; Gaspar, C; Gasparini, U; Gavillet, P; Gazis, En; Gele, D; Gerber, Jp; Gibbs, M; Gokieli, R; Golob, B; Gopal, G; Gorn, L; Gorski, M; Gouz, Y; Gracco, V; Graziani, E; Grosdidier, G; Grzelak, K; Gumenyuk, S; Gunnarsson, P; Gunther, M; Guy, J; Hahn, F; Hahn, S; Hajduk, Z; Hallgren, A; Hamacher, K; Hao, W; Harris, Fj; Hedberg, V; Henriques, R; Hernandez, Jj; Herquet, P; Herr, H; Hessing, Tl; Higon, E; Hilke, Hj; Hill, Ts; Holmgren, So; Holt, Pj; Holthuizen, D; Hoorelbeke, S; Houlden, M; Hrubec, J; Huet, K; Hultqvist, K; Jackson, Jn; Jacobsson, R; Jalocha, P; Janik, R; Jarlskog, C; Jarlskog, G; Jarry, P; Jeanmarie, B; Johansson, Ek; Jonsson, L; Jonsson, P; Joram, C; Juillot, P; Kaiser, M; Kapusta, F; Karafasoulis, K; Karlsson, M; Karvelas, E; Katsanevas, S; Katsoufis, Ec; Keranen, R; Khokhlov, Y; Khomenko, Ba; Khovanski, Nn; King, B; Kjaer, Nj; Klein, H; Klovning, A; Kluit, P; Koene, B; Kokkinias, P; Koratzinos, M; Korcyl, K; Kostioukhine, V; Kourkoumelis, C; Kouznetsov, O; Kramer, Ph; Krammer, M; Kreuter, C; Kronkvist, I; Krumstein, Z; Krupinski, W; Kubinec, P; Kucewicz, W; Kurvinen, K; Lacasta, C; Laktineh, I; Lamsa, Jw; Lanceri, L; Lane, Dw; Langefeld, P; Lapin, V; Last, I; Laugier, Jp; Lauhakangas, R; Leder, G; Ledroit, F; Lefebure, V; Legan, Ck; Leitner, R; Lemoigne, Y; Lemonne, J; Lenzen, G; Lepeltier, V; Lesiak, T; Libby, J; Lindner, R; Lipniacka, A; Lippi, I; Loerstad, B; Loken, Jg; Lopez, Jm; Lukas, D; Lutz, P; Lyons, L; Macnaughton, J; Maehlum, G; Maio, A; Malmgren, Tgm; Malychev, V; Mandl, F; Marco, J; Marco, R; Marechal, B; Margoni, M; Marin, Jc; Mariotti, C; Markou, A; Maron, T; Martinezrivero, C; Martinezvidal, F; Garcia, Smi; Matorras, F; Matteuzzi, C; Matthiae, G; Mazzucato, M; Mccubbin, M; Mckay, R; Mcnulty, R; Medbo, J; Merk, M; Meroni, C; Meyer, S; Meyer, Wt; Michelotto, M; Migliore, E; Mira
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