Search for manifestations of new physics in fermion-pair production at LEP

M Acciarri,D Ren,A Vorvolakos,E Fiandrini,P Marchesini,A Buijs,T Moulik,C Dionisi,R Ramelli,H Nowak,K Freudenreich,C Palomares,R Barillère,A Engler,P Le Coultre,I Clare,J Pothier,G Grenier,G Ruggiero,G Holzner,H El Mamouni,B Borgia,K Sudhakar,G Schwering,Y Uchida,D Kiss,A Krüger,F Anselmo,L Romero,A Seganti,V Shoutko,R De Asmundis,L Bellucci,F Pierella,B Musicar,Y Hu,E Valente,F Cesaroni,K Lübelsmeyer,P Achard,A Favara,J Alcaraz,G Marian,G Raven,E Pistolesi,J Berdugo,O Adriani,A Barczyk,S Banerjee,M Basile,G Alemanni,F Marzano,D Van Dierendonck,G Coignet,M Wadhwa,P Berges,P Duinker,P Lebrun,D Perret-Gallix,H Postema,A Bajo,W Krenz,I Vetlitsky,M Musy,B Stoyanov,F Behner,D Ruschmeier,A Shvorob,G Castellini,S Patricelli,G Zilizi,D Della Volpe,B De La Cruz,A De Salvo,L Servoli,M Dierckxsens,A Balandras,T Angelescu,E Shumilov,N Raja,A Buffini,J Ulbricht,J Rodin,S Reucroft,M Pauluzzi,A Mihul,P Extermann,E Delmeire,M Pedace,M Chamizo,D Dufournaud,V Koutsenko,H Anderhub,B Bertucci,M Lebeau,A Kunin,J Casaus,J Salicio,B Tellili,F Cotorobai,V Plyaskin,I Vodopianov,G Viertel,H Hofer,W Wallraff,M Napolitano,L Tauscher,D Luckey,H Vogt,A Rosca,M Chemarin,D Vicinanza,S Cucciarelli,G Carlino,R Berbeco,T Sztaricskai,G Chiefari,D Pandoulas,M Vivargent,F Denotaristefani,A Hasan,S Villa,N Shivarov,F Ferroni,S Wynhoff,P De Jong,T Azemoon,M Rescigno,P Bartalini,P Levtchenko,R Faccini,P Déglon,S Pensotti,S Likhoded,L Lugnier,A Gurtu,J Hirschfelder,D Sciarrino,G Passaleva,G Mirabelli,A Bay,A Arefiev,S Shevchenko,A Lebedev,A Böhm,O Grimm,K Riles,A Degré,D Duchesneau,H Milcent,T Siedenburg,M Bourquin,F Di Lodovico,A Oulianov,T Paul,U Becker,C Furetta,M Capell,N Gheordanescu,Yu Galaktionov,A Chen,M Kräber,H Suter,L Baksay,S Braccini,G Rahal-Callot,A Robohm,V Pojidaev,M Gataullin,R Leiste,W Kittel,G Landi,D Haas,D Hatzifotiadou,S Schmidt-Kaerst,S Costantini,M Steuer,S Saremi,M Von Der Mey,R Van Gulik,G Ambrosi,F Linde ,M Pohl,J Fay,A Doria,M W Gruenewald ,S Sarkar,H R Hoorani ,S Giagu,G Y Zhu ,M Diemoz,Z M Wang ,P A Razis ,M Campanelli,S.V Baldew,F Becattini,L Z Sun ,H Vogel,E Leonardi,А Малинин ,P Denes,C Civinini,J B Ye ,A Biland,C.c Ting ,F Pauß ,G Romeo ,D J Schotanus ,S Riemann,D Stickland ,Z P Zhang ,S Hou ,M Meschini,Y S Lu ,Virendra K Gupta ,G J Bobbink ,L W Jones ,S Blyth ,J A Rubio ,T Dai ,Z Z Xu ,A Weber,H F Chen ,J Mans,T Nießen ,M Guida,P Ladrón De Guevara ,B N Jin ,S Vlachos,F.C Erné,P.G Rancoita,F M Brochu ,J Mnich,M T Dova ,S Paoletti,J G Branson ,F J Eppling ,C Tully,A A Vorobyov ,P Hidas,H J Yang ,M Aguilar-Benı́tez ,Z F Gong ,A Straessner,G S Muanza ,V Brigljević ,J A Van Dalen ,M G Alviggi ,K L Tung ,H Schopper,S Rosier‐Lees ,J Tóth,A M Cartacci ,M Felcini,H Rykaczewski,L Taylor,I H Park ,C Timmermans,S C Yeh ,S S Gau ,A Klimentov,E Longo,L Barone,Y Zalite ,A Zichichi,J D Swain ,M N Kienzle‐Focacci ,G Forconì ,M Cerrada,X L Wang ,K Mazumdar,B L Betev ,M Kaur,X D Cai ,S C Tonwar ,P Bagnaia,F Nessi‐Tedaldi ,A Aloisio,J J Blaising ,A J.m Muijs ,R Y Zhu ,G B Mohanty ,V Andreev ,G Vesztergombi,U K Chaturvedi ,V A Schegelsky ,П Спиллантини ,Y H Chang ,P Garcı́a-Abia ,W J Burger ,Z Szillási ,S M Ting ,A Zalite ,A C König ,I Durán ,M P Sanders ,Imad Baptiste Laktineh ,C Sciacca,J D Burger ,I Josa-Mutuberrı́A,S Falciano,J M Le Goff ,G Organtini,P Lecoq,P Piroué ,D C Son ,M A Falagán ,P Lecomte,J P Martin ,M Biasini,N Cavallo,C G Yang ,P Wienemann,L Merola,B A Petersen ,D Prokofiev,S N Ganguli ,J Kirkby,W Lustermann,S Mele,K Lassila-Perini,R Battiston,H B Newman ,R R Mcneil ,D Kim,J Yamamoto,J Allaby,Z A Liu ,M E Sarakinos ,Bryan Smith ,L Malgeri,L Luminari,F Filthaut,C Mañá ,L Cifarelli,K Deiters,I Fisk,C H Lin ,Á Csilling ,T Hebbeker,A K Kopp ,S X Wu ,F Cavallari,W Lohmann,L Lista,N Colino,H Fesefeldt,C Cecchi,M A Rahaman ,W G ,E Sánchez ,R D’alessandro ,W J Metzger ,Saptaparna Bhattacharya ,S Gentile,P Paolucci,M Maity,H K Park ,H G Wilkens ,J H Field ,R Paramatti,A Nisati,M Dittmar,C Schäfer,W Lin ,I Vorobiev,M Weber,J Quartieri,M Wang,B Z Yang ,R W Kraemer ,D Piccolo,Min Yang ,G M Chen ,C Li,M Pieri,A Raspereza,C Luci,Péter Molnár ,Michel Fabre ,L Xia,F Cindolo,H J Lee ,T Ferguson,P Raics,H S Chen ,G Chen,J K Kim ,A Stone,P H Fisher ,G Sultanov,D Mangeol,L Boldizsár ,R A Khan ,A Dominguez,O L Fedin ,I Iashvili,A Hervé,L Gutay ,C Paus,R Clare,D Bourilkov,T Aziz,X W Tang ,D Schmitz,B P Roe ,Margot Zöller

doi:10.1016/s0370-2693(00)00887-x

Search for manifestations of new physics in fermion-pair production at LEP

M Acciarri, D Ren + Show 405 more

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https://doi.org/10.1016/s0370-2693(00)00887-x

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Journal: Physics Letters B	Publication Date: Sep 1, 2000
Citations: 58	License type: cc-by-nc-nd

Affiliation: ETH Zurich, University of Cyprus, University of Perugia, Utrecht University, Tata Institute of Fundamental Research, European Organization for Nuclear Research, Carnegie Mellon University, Massachusetts Institute of Technology, Claude Bernard University Lyon 1, RWTH Aachen University, Hungarian Academy of Sciences, University of California, San Diego, Radboud University Nijmegen, University of Salento, University of Geneva, University of Debrecen, University of Lausanne, University of Amsterdam, Laboratoire d'Annecy-le-Vieux de Physique des Particules, University of Basel, Bulgarian Academy of Sciences, Humboldt-Universität zu Berlin, California Institute of Technology, University of Bucharest, University of Alabama, Northeastern University, University of Michigan–Ann Arbor, National Central University, Louisiana State University

#Models Of Quantum Gravity #Fermion-pair Production + Show 8 more

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Abstract

The measurements of hadron and lepton-pair production cross sections and leptonic forward–backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV are used to search for new physics phenomena such as: contact interactions, exchange of virtual leptoquarks, scalar quarks and scalar neutrinos, effects of TeV strings in models of quantum gravity with large extra dimensions and non-zero sizes of the fermions. No evidence for these phenomena is found and new limits on their parameters are set.

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