A total of 628 pb(-1) of data collected with the ALEPH detector at centre-of-mass energies from 189 to 209 GeV is analysed in the search for gauge mediated SUSY breaking (GMSB) topologies. These topologies include two acoplanar photons, non-pointing single photons, acoplanar leptons, large impact parameter leptons, detached slepton decay vertices, heavy stable charged sleptons and multi-leptons plus missing energy final states. No evidence is found for new phenomena, and lower limits on masses of supersymmetric particles are derived. A scan of a minimal GMSB parameter space is performed and lower limits are set for the next-to-lightest supersymmetric particle (NLSP) mass at 54 GeV/c(2) and for the mass scale parameter A at 10 TeV/c(2), independently of the NLSP lifetime. Including the results from the neutral Higgs boson searches, a NLSP mass limit of 77 GeV/c(2) is obtained and values of A up to 16TeV/c(2) are excluded.
Autori interni: | ||
Autori: | Heister A; Schael S; Barate R; Bruneliere R; De Bonis I; Decamp D; Goy C; Jezequel S; Lees JP; Martin F; Merle E; Minard MN; Pietrzyk B; Trocme B; Boix G; Bravo S; Casado MP; Chmeissani M; Crespo JM; Fernandez E; Fernandez-Bosman M; Garrido L; Grauges E; Lopez J; Martinez M; Merino G; Miquel R; Mir LM; Pacheco A; Paneque D; Ruiz H; Colaleo A; Creanza D; De Filippis N; de Palma M; 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; Azzurri P; Barklow T; Buchmuller O; Cattaneo M; Cerutti F; Clerbaux B; Drevermann H; Forty RW; Rank M; Gianotti F; Greening TC; Hansen JB; Harvey J; Hutchcroft DE; Janot P; Jost B; Kado M; Mato P; Moutoussi A; Ranjard F; Rolandi L; Schlatter D; Sguazzoni G; Tejessy W; Teubert F; Valassi A; Videau I; Ward JJ; Badaud F; Dessagne S; Falvard A; Fayolle D; Gay P; Jousset J; Michel B; Monteil S; Pallin D; Pascolo JM; Perret P; Hansen JD; Hansen JR; Hansen PH; Nilsson BS; Kyriakis A; Markou C; Simopoulou E; Vayaki A; Zachariadou K; Blondel A; Brient JC; Machefert F; Rouge A; Swynghedauw M; Tanaka R; Videau H; Ciulli V; Focardi E; Parrini G; Antonelli A; Antonelli M; Bencivenni G; Bossi F; Campana P; Capon G; Chiarella V; Laurelli P; Mannocchi G; Murtas F; Murtas GP; Passalacqua L; Halley A; Kennedy J; Lynch JG; Negus P; O'Shea V; Thompson AS; Wasserbaech S; Cavanaugh R; Dhamotharan S; Geweniger C; Hanke P; Hepp V; Kluge EE; Leibenguth G; Putzer A; Stenzel H; Tittel K; Wunsch M; Beuselinck R; Cameron W; Davies G; Dornan PJ; Girone M; Hill RD; Marinelli N; Nowell J; Rutherford SA; Sedgbeer JK; Thompson JC; White R; Ghete VM; Girtler P; Kneringer E; Kuhn D; Rudolph G; Bouhova-Thacker E; Bowdery CK; Clarke DP; Ellis G; Finch AJ; Foster F; Hughes G; Jones RWL; Pearson MR; Robertson NA; Smizanska M; van der Aa O; Delaere C; Lemaitre V; Blumenschein U; Holldorfer F; Jakobs K; Kayser F; Kleinknecht K; Muller AS; Quast G; Renk B; Sander HG; Schmeling S; Wachsmuth H; Zeitnitz C; Ziegler T; Bonissent A; Coyle P; Curtil C; Ealet A; Fouchez D; Payre P; Tilquin A; Ragusa F; David A; Dietl H; Ganis G; Huttmann K; Lutjens G; Manner W; Moser HG; Settles R; Wolf G; Boucrot J; Callot O; Davier M; Duflot L; Grivaz JF; Heusse P; Jacholkowska A; Loomis C; Serin L; Veillet JJ; de Regie JBD; Yuan C; Bagliesi G; Boccali T; Foa L; Giammanco A; Giassi A; Ligabue F; Messineo A; Palla F; Sanguinetti G; Sciaba A; Tenchini R; Venturi A; Verdini PG; Awunor O; Blair GA; Cowan G; Garcia-Bellido A; Green MG; Jones LT; Medcalf T; Misiejuk A; Strong JA; Teixeira-Dias P; Clifft RW; Edgecock TR; Norton PR; Tomalin IR; Bloch-Devaux B; Boumediene D; Colas P; Fabbro B; Lancon E; Lemaire MC; Locci E; Perez P; Rander J; Renardy JF; Rosowsky A; Seager P; Trabelsi A; Tuchming B; Vallage B; Konstantinidis N; Litke AM; Taylor G; Booth CN; Cartwright S; Combley F; Hodgson PN; Lehto M; Thompson LF; Affholderbach K; Bohrer A; Brandt S; Grupen C; Hess J; Ngac A; Prange G; Sieler U; Borean C; Giannini G; He H; Putz J; Rothberg J; Armstrong SR; Berkelman K; Cranmer K; Ferguson DPS; Gao Y; Gonzalez S; Hayes OJ; Hu H; Jin S; Kile J; McNnamara PA; Nielsen J; Pan YB; von Wimmersperg-Toeller JH; Wiedenmann W; Wu J; Wu SL; Wu X; Zobernig G; Dissertori G | |
Titolo: | Search for gauge mediated SUSY breaking topologies in e(+)e(-) collisions at centre-of-mass energies up to 209 GeV | |
Anno del prodotto: | 2002 | |
Digital Object Identifier (DOI): | 10.1007/s10052-002-1005-z | |
Appare nelle tipologie: | 1.1 Articolo in rivista |