Search for First Generation Leptoquark Pair Production in the Electron + Missing Energy + Jets Final State

V. M. Abazov,B. Abbott,B. S. Acharya,M. Adams,T. Adams,G. D. Alexeev,G. Alkhazov,A. Alton,G. Alverson,G. A. Alves,M. Aoki,M. Arov,A. Askew,B. Asman,O. Atramentov,C. Avila,J. BackusMayes,F. Badaud,L. Bagby,B. Baldin,D. V. Bandurin,S. Banerjee,E. Barberis,P. Baringer,J. Barreto,J. F. Bartlett,U. Bassler,V. Bazterra, S. Beale,A. Bean,M. Begalli,M. Begel,C. Belanger-Champagne,L. Bellantoni,S. B. Beri,G. Bernardi,R. Bernhard,I. Bertram,M. Besancon,R. Beuselinck,V. A. Bezzubov,P. C. Bhat,V. Bhatnagar,G. Blazey,S. Blessing,K. Bloom,A. Boehnlein,D. Boline,E. E. Boos,G. Borissov, T. Bose, A. Brandt,O. Brandt,R. Brock,G. Brooijmans,A. Bross,D. Brown,J. Brown,X. B. Bu,M. Buehler,V. Buescher,V. Bunichev,S. Burdin,T. H. Burnett, C. P. Buszello,B. Calpas, E. Camacho-Perez,M. A. Carrasco-Lizarraga,B. C. K. Casey,H. Castilla-Valdez,S. Chakrabarti,D. Chakraborty,K. M. Chan,A. Chandra,G. Chen,S. Chevalier-Thery,D. K. Cho,S. W. Cho, S. Choi,B. Choudhary,S. Cihangir,D. Claes,J. Clutter,M. Cooke,W. E. Cooper,M. Corcoran,F. Couderc,M. -C. Cousinou,A. Croc,D. Cutts, A. Das,G. Davies,K. De,S. J. de Jong,E. De la Cruz-Burelo,F. Deliot,M. Demarteau, R. Demina,D. Denisov,S. P. Denisov,S. Desai,C. Deterre,K. DeVaughan, H. T. Diehl,M. Diesburg,P. F. Ding,A. Dominguez,T. Dorland,A. Dubey,L. V. Dudko,D. Duggan,A. Duperrin,S. Dutt,A. Dyshkant, M. Eads,D. Edmunds,J. Ellison,V. D. Elvira,Y. Enari,H. Evans,A. Evdokimov,V. N. Evdokimov,G. Facini,T. Ferbel,F. Fiedler,F. Filthaut,W. Fisher,H. E. Fisk,M. Fortner,H. Fox,S. Fuess,A. Garcia-Bellido,V. Gavrilov,P. Gay,W. Geng,D. Gerbaudo,C. E. Gerber,Y. Gershtein,G. Ginther,G. Golovanov,A. Goussiou,P. D. Grannis, S. Greder,H. Greenlee,Z. D. Greenwood,E. M. Gregores,G. Grenier,Ph. Gris,J. -F. Grivaz,A. Grohsjean, S. Gruenendahl, M. W. Gruenewald,T. Guillemin,F. Guo,G. Gutierrez,P. Gutierrez,A. Haas,S. Hagopian,J. Haley,L. Han,K. Harder,A. Harel,J. M. Hauptman,J. Hays,T. Head, T. Hebbeker,D. Hedin,H. Hegab,A. P. Heinson,U. Heintz,C. Hensel, I. Heredia-De la Cruz,K. Herner,G. Hesketh,M. D. Hildreth,R. Hirosky, T. Hoang,J. D. Hobbs,B. Hoeneisen,M. Hohlfeld, X. Huang,Z. Hubacek,N. Huske,V. Hynek,I. Iashvili,Y. Ilchenko,R. Illingworth,A. S. Ito,S. Jabeen,M. Jaffre,D. Jamin,A. Jayasinghe, R. Jesik, K. John,M. Johnson,D. Johnston, A. Jonckheere,P. Jonsson,J. Joshi, A. W. Jung,A. Juste,K. Kaadze,E. Kajfasz,D. Karmanov,P. A. Kasper,I. Katsanos,R. Kehoe,S. Kermiche,N. Khalatyan,A. Khanov,A. Kharchilava,Y. N. Kharzheev, M. H. Kirby,J. M. Kohli,A. V. Kozelov,J. Kraus,S. Kulikov,A. Kumar,A. Kupco,T. Kurca,V. A. Kuzmin,J. Kvita,S. Lammers,G. Landsberg,P. Lebrun, H. S. Lee,S. W. Lee, W. M. Lee,J. Lellouch,L. Li,Q. Z. Li,S. M. Lietti,J. K. Lim,D. Lincoln,J. Linnemann,V. V. Lipaev, R. Lipton,Y. Liu,Z. Liu,A. Lobodenko,M. Lokajicek,R. Lopes de Sa,H. J. Lubatti,R. Luna-Garcia,A. L. Lyon,A. K. A. Maciel,D. Mackin,R. Madar,R. Magana-Villalba,S. Malik,V. L. Malyshev,Y. Maravin,J. Martinez-Ortega,R. McCarthy,C. L. McGivern,M. M. Meijer,A. Melnitchouk,D. Menezes,P. G. Mercadante,M. Merkin,A. Meyer,J. Meyer,F. Miconi,N. K. Mondal,G. S. Muanza,M. Mulhearn,E. Nagy,M. Naimuddin,M. Narain,R. Nayyar,H. A. Neal,J. P. Negret, P. Neustroev,S. F. Novaes,T. Nunnemann,G. Obrant,J. Orduna,N. Osman,J. Osta,G. J. Otero y Garzon,M. Padilla,A. Pal,N. Parashar,V. Parihar,S. K. Park,J. Parsons,R. Partridge,N. Parua,A. Patwa,B. Penning,M. Perfilov,K. Peters,Y. Peters,K. Petridis,G. Petrillo,P. Petroff,R. Piegaia,M. -A. Pleier, P. L. M. Podesta-Lerma,V. M. Podstavkov,P. Polozov,A. V. Popov,M. Prewitt,D. Price,N. Prokopenko,S. Protopopescu,J. Qian,A. Quadt,B. Quinn,M. S. Rangel,K. Ranjan,P. N. Ratoff,I. Razumov,P. Renkel,M. Rijssenbeek,I. Ripp-Baudot,F. Rizatdinova,M. Rominsky, A. Ross,C. Royon,P. Rubinov,R. Ruchti,G. Safronov, G. Sajot,P. Salcido,A. Sanchez-Hernandez,M. P. Sanders,B. Sanghi,A. S. Santos, G. Savage,L. Sawyer,T. Scanlon,R. D. Schamberger,Y. Scheglov,H. Schellman,T. Schliephake,S. Schlobohm,C. Schwanenberger,R. Schwienhorst,J. Sekaric,H. Severini,E. Shabalina, V. Shary,A. A. Shchukin,R. K. Shivpuri,V. Simak,V. Sirotenko,P. Skubic, P. Slattery,D. Smirnov,K. J. Smith,G. R. Snow,J. Snow,S. Snyder,S. Soeldner-Rembold,L. Sonnenschein,K. Soustruznik,J. Stark,V. Stolin,D. A. Stoyanova,M. Strauss,D. Strom,L. Stutte,L. Suter,P. Svoisky,M. Takahashi,A. Tanasijczuk,W. Taylor,M. Titov,V. V. Tokmenin,Y. -T. Tsai,D. Tsybychev,B. Tuchming,C. Tully,L. Uvarov,S. Uvarov,S. Uzunyan,R. Van Kooten,W. M. van Leeuwen,N. Varelas,E. W. Varnes,I. A. Vasilyev,P. Verdier,L. S. Vertogradov,M. Verzocchi,M. Vesterinen,D. Vilanova, P. Vokac,H. D. Wahl,M. H. L. S. Wang, J. Warchol,G. Watts,M. Wayne,M. Weber,L. Welty-Rieger,A. White,D. Wicke,M. R. J. Williams,G. W. Wilson,M. Wobisch,D. R. Wood,T. R. Wyatt,Y. Xie,C. Xu,S. Yacoob,R. Yamada,W. -C. Yang, T. Yasuda,Y. A. Yatsunenko,Z. Ye,H. Yin,K. Yip,S. W. Youn,J. Yu,S. Zelitch,T. Zhao,B. Zhou,J. Zhu,M. Zielinski,D. Zieminska,L. Zivkovic

Physical review D Particles, fields, gravitation, and cosmology/Physical review D, Particles, fields, gravitation, and cosmology（2011）

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摘要

We present a search for the pair production of first generation scalar leptoquarks (LQ) in data corresponding to an integrated luminosity of 5.4 fb$^{-1}$ collected with the D0 detector at the Fermilab Tevatron Collider in ppbar collisions at $\sqrt{s}=1.96$ TeV. In the channel $LQ \bar{LQ} \rightarrow e\nu_e qq'$, where q, q' are u or d quarks, no significant excess of data over background is observed, and we set a 95% C.L. lower limit of 326 GeV on the leptoquark mass, assuming equal probabilities of leptoquark decays to eq and $\nu_e q'$.

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Energetic Particles,Electron Acceleration

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