Search for sleptons in e+e− collisions at centre-of-mass energies of 161 GeV and 172 GeV

R Barate,G Parrini,A Cordier,J Boucrot,R Della Marina,R Hagelberg,A Vayaki,F Ruggieri,G Calderini,J.H Dann,T Huehn,P Coyle,H Drevermann,L Bosisio,K Tittel,A Pacheco,G Mannocchi,C Geweniger,W Cameron,F Motsch,S Werner,A Wäänänen,A Valassi,P Perret,M Thulasidas,S Orteu,F Murtas,C Zeitnitz,B Vallage,G Hughes,B Jost,C Hoffmann,S.R Armstrong,C Markou,S Bettarini,F Foster,W Männer,F Combley,W Orejudos,P Comas,H Wachsmuth,J.G Lynch,G Sanguinetti,D Schlatter,J Knobloch,F Bossi,C Bozzi,I Videau,P Payre,G Capon,R Beuselinck,B Bloch-Devaux,M Delfino,B.S Nilsson,F Machefert,G Lütjens,A Rougé,J Schwindling,F Le Diberder,G Rizzo,I Ferrante,P Campana,H Seywerd,P Colas,S Goodsir,C Ferdi,J Sommer,W Tejessy,L Passalacqua,F Podlyski,S Monteil,A Gregorio,M Wunsch,F Ranjard,G Bologna,M Rumpf,G Giannini,P Colrain,Y Saadi,A Roussarie,K Affholderbach,R Berlich,J Reeve,A Lusiani,G Rudolph,A Blondel,B Michel,M Davier,A Rosado-Schlosser,M De Palma,J Rothberg,J Lefrançois,T Fearnley,I Lehraus,M.-N Minard,B Pietrzyk,K Zachariadou,G Hansper,P Girtler,P Henrard,H Dietl,C Vannini,A Putzer,H Videau,P Tempesta,Q Ouyang,O Callot,V Hepp,C Georgiopoulos,P Perrodo,O Schneider,G Gelao,R Xu,A Höcker,R Fantechi,A Ranieri,W Blum,A Moutoussi,R Alemany,G.A Blair,A Böhrer,G Crawford,M Aleppo,E Charles,G Bujosa,C Boyer,O.J Hayes,T Medcalf,B Renk,G Bencivenni,G Musolino,A Sadouki,C Guicheney,Ll Garrido,M Jacquet,K Trabelsi,A Trabelsi,B Fabbro,E Simopoulou,J Jousset,S Jin,E Tournefier,A Minten,G Felici,M Corden,A Antonelli,P Maley,S Xue,B Rensch,R Settles,D Buskulic,E Thomson,C Gotzhein,F Thomson,F Teubert,E Rohne,W Kozanecki,M Chmeissani,G Lutters,P Morawitz,S Schael,U Becker,T.C Greening,P Van Gemmeren,C Benchouk,M Pepe-Altarelli,M.I Williams,D Abbaneo,R St Denis ,M Fernández-Bosman ,V Chiarella,C.N Booth,G Ganis,M.A Mcneil,A P Betteridge ,L Curtis,G Quast,R W Clifft ,J J Veillet ,J B Hansen ,P Elmer,A Kyriakis,S J Haywood ,J M Yamartino ,X T Huang ,S L Wu ,M.S Kelly,E.-E Kluge ,M Frank,C K Bowdery ,M P Schmidt ,A M Litke ,G Iaselli,D Creanza,G Graefe,P Azzurri,P Spagnolo,N Marinelli,T.R Edgecock,J.M Crespo,J Nielsen,J Steinberger,P Hanke,A Jachołkowska ,S J Dorris ,J F Foss ,Р Тенчини ,L Serin,H Stenzel,V O’shea ,J Carr,P Bright-Thomas,D M Binnie ,P Laurelli,S Simion,V Ciulli,H G Sander ,F Palla,P.A Mcnamara,Z Ajaltouni,L Duflot,J Lin,F Ragusa,D.W Kim,M C Lemaire ,E Focardi,J A Strong ,J Nash,J.T Chambers,X Wu,P Heusse ,C Brew ,J M Scarr ,J P Lees ,G Cowan,J C Brient ,D.P.S Ferguson,K M Smith ,Á Pascual ,A Venturi,A Barrès,G Mäggi ,J.J Aubert,J K Sedgbeer ,P H Hansen ,E P Whelan ,G Rolandi ,Hongbo Hu ,Y Xie,S Nuzzo,M Schmitt,H Kroha,M Williams ,A Messineo,W Zhao,B Gobbo,G Dissertori,J.-F Grivaz,R.M Turnbull,E Lançon,C Grupen,L Smolík ,A.E Wright,M Maggi,I Riu,L.F Thompson,C Padilla Aranda ,I.C Park,J F Pusztaszeri ,Philippe Ghez ,E Kneringer,J Walsh,R Richter,I R Tomalin ,M H Schune ,P Pérez ,D Décamp ,A Lucotte,D Zerwas,A Wagner,G Raso,P Gay,J M Nachtman ,G Zobernig,J Harvey,M.G Green,G Wolf,P Teixeira-Dias,A S Thompson ,W M Newton ,J.y Nief ,R Miquel,P Janot,M Cattaneo,Siegmund Brandt ,M Lehto,D E Jaffe ,T Wang,J Rander,M Girone,L M Mir ,A J Finch ,T Sloan,M Apollonio,A.O Bazarko,G Zito,E B Martin ,J R Hansen ,P R Norton ,C Goy,F Ligabue,R.W Williams,A Sciabà,D Rousseau,J D Hansen ,A M Stacey ,P G Verdini ,R Dell’orso ,A.W Halley,L Moneta,K Jakobs,Pedro Saraiva ,N Konstantinidis,D Calvet,J Proriol,S.N Black,S Cartwright,W Wiedenmann,I Scott ,A Tricomi,J Pütz ,S Chen,E Locci,H.Y Kim,H G Moser ,G Bagliesi,J P Schuller ,J C Montret ,F Cerutti,Irena Nikolić ,J H Von Wimmersperg-Toeller ,D Pallin,D Botterill ,Y B Pan ,A Falvard,R W L Jones ,G N Taylor ,F J Munoz Sanchez ,V Büscher,E Fernández ,G Selvaggi,J A Perlas ,V M Ghete ,A Giassi,L M Bryant ,M Talby,P Mató ,P Rosnet,P S Marrocchesi ,D Kühn ,A Juste Rozas ,Y Gao,A M Lutz ,L Zhang,G Daskalakis,K Kleinknecht,G Lütz ,A Tilquin,R Forty ,R Cavanaugh,J Zhang,C Raine,O Leroy,S Wasserbaech,P J Dornan ,Rod Boswell ,I G Knowles ,S González,C Diaconu,M P Casado ,J.C Thompson,D Casper,J M Rossignol ,M Martínez ,J F Renardy ,A Rosowsky,L Silvestris,A Colaleo,F Stephan,A Bonissent

doi:10.1016/s0370-2693(97)00892-7

Search for sleptons in e+e− collisions at centre-of-mass energies of 161 GeV and 172 GeV

R Barate, G Parrini + Show 388 more

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https://doi.org/10.1016/s0370-2693(97)00892-7

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#Search For Sleptons #Four-fermion Processes + Show 4 more

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Abstract

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the production of these particles was found. The number of candidates observed is consistent with the background expected from four-fermion processes and gammagamma-interactions. Improved mass limits at 95% C.L. are reported.

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