Search for CP violation in the decay [formula omitted

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

doi:10.1016/0370-2693(96)00927-6

Search for CP violation in the decay [formula omitted

D Buskulic, G Lutters + Show 398 more

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https://doi.org/10.1016/0370-2693(96)00927-6

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#Signal Of CP Violation #Anomalous CP Violating + Show 8 more

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Abstract

About three million hadronic decays of the Z collected by ALEPH in the years 1991 to 1994 are used to search for anomalous CP violation beyond the Standard Model in the decay Z → bbg. The study is performed by analyzing angular correlations between the two quarks and the gluon in three-jet events and by measuring the differential two-jet rate. No signal of CP violation is found. For the combinations of anomalous CP violating couplings, ĥb = ĥAbgVb − ĥVbgAb and b∗ = ĥVb2+ĥAb2, limits of | ĥb | < 0.59 and hb∗ < 3.02 are given at 95% CL.

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