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Search for single top quark production at D0 using neural networks

V.M. Abazov B. Abbott Abdelmalek Abdesselam 1 M. Abolins V. Abramov B.S. Acharya D.L. Adams M. Adams S.N. Ahmed G.D. Alexeev G.A. Alves N. Amos E.W. Anderson Y. Arnoud 2 M.M. Baarmand V.V. Babintsev L. Babukhadia T.C. Bacon A. Baden B. Baldin P.W. Balm S. Banerjee E. Barberis P. Baringer J. Barreto J.F. Bartlett U. Bassler 3 D. Bauer A. Bean F. Beaudette M. Begel A. Belyaev S.B. Beri G. Bernardi 3 I. Bertram A. Besson 2 R. Beuselinck V.A. Bezzubov P.C. Bhat V. Bhatnagar 1 M. Bhattacharjee G. Blazey S. Blessing A. Boehnlein N.I. Bojko F. Borcherding K. Bos A. Brandt R. Breedon G. Briskin R. Brock G. Brooijmans A. Bross D. Buchholz M. Buehler V. Buescher V.S. Burtovoi J.M. Butler F. Canelli W. Carvalho D. Casey Z. Casilum H. Castilla-Valdez D. Chakraborty K.M. Chan S.V. Chekulaev D.K. Cho S. Choi S. Chopra J.H. Christenson M. Chung D. Claes A.R. Clark J. Cochran L. Coney B. Connolly W.E. Cooper D. Coppage S. Crepe-Renaudin 2 M.A.C. Cummings D. Cutts G.A. Davis K. Davis K. De S.J. de Jong K. del Signore M. Demarteau R. Demina P. Demine 2 D. Denisov S.P. Denisov S. Desai H.T. Diehl M. Diesburg S. Doulas Y. Ducros L.V. Dudko S. Duensing L. Duflot 1 S.R. Dugad A. Duperrin 4 A. Dyshkant D. Edmunds J. Ellison V.D. Elvira R. Engelmann S. Eno G. Eppley P. Ermolov O V. Eroshin J. Estrada H. Evans V.N. Evdokimov T. Fahland S. Feher D. Fein T. Ferbel F. Filthaut H.E. Fisk Yu. Fisyak E. Flattum F. Fleuret M. Fortner H. Fox K.C. Frame S. Fu S. Fuess E. Gallas A.N. Galyaev M. Gao V. Gavrilov R.J. Genik Ii K. Genser C.E. Gerber Yu. Gershtein R. Gilmartin G. Ginther B. Gomez G. Gomez P.I. Goncharov J.L. Gonzalez-Solis H. Gordon L.T. Goss K. Gounder A. Goussiou N. Graf G. Graham P.D. Grannis J.A. Green H. Greenlee Z.D. Greenwood S. Grinstein L. Groer S. Gruenendahl Anupam Gupta S.N. Gurzhiev G. Gutierrez P. Gutierrez N.J. Hadley H. Haggerty S. Hagopian V. Hagopian R.E. Hall P. Hanlet Scott Hansen J.M. Hauptman C. Hays Christian Hebert D. Hedin J.M. Heinmiller A.P. Heinson U. Heintz T.C. Heuring M.D. Hildreth R. Hirosky J.D. Hobbs B. Hoeneisen Yue Huang R. Illingworth A.S. Ito M. Jaffre 1 S. Jain R. Jesik K. Johns M. Johnson A. Jonckheere M. Jones H. Joestlein A. Juste W. Kahl S. Kahn E. Kajfasz 4 A.M. Kalinin D. Karmanov D. Karmgard Z. Ke R. Kehoe A. Khanov A. Kharchilava S.K. Kim B. Klima B. Knuteson W. Ko J.M. Kohli A.V. Kostritskii J. Kotcher B. Kothari A.V. Kotwal A.V. Kozelov E.A. Kozlovsky J. Krane M.R. Krishnaswamy P. Krivkova S. Krzywdzinski M. Kubantsev S. Kuleshov Y. Kulik S. Kunori A. Kupco V.E. Kuznetsov G.L. Landsberg W.M. Lee A. Leflat C. Leggett F. Lehner J. Li Q.Z. Li Xiaojian Li J.G.R. Lima D. Lincoln S.L. Linn J. Linnemann R. Lipton A. Lucotte 2 L. Lueking C. Lundstedt C. Luo A.K.A. Maciel R.J. Madaras V.L. Malyshev V. Manankov H.S. Mao T. Marshall M.I. Martin R.D. Martin K.M. Mauritz B. May A.A. Mayorov R. Mccarthy T. Mcmahon H.L. Melanson M. Merkin K.W. Merritt C. Miao H. Miettinen D. Mihalcea C.S. Mishra N. Mokhov N.K. Mondal H.E. Montgomery R.W. Moore M. Mostafa H. da Motta E. Nagy 4 F. Nang M. Narain V.S. Narasimham H.A. Neal J.P. Negret S. Negroni 4 T. Nunnemann D. O'Neil V. Oguri B. Olivier 3 N. Oshima P. Padley L.J. Pan K. Papageorgiou A. Para N. Parashar R. Partridge N. Parua M. Paterno A. Patwa B. Pawlik J. Perkins M. Peters O. Peters P. Petroff 1 R. Piegaia B.G. Pope E. Popkov H.B. Prosper S. Protopopescu J. Qian R. Raja S. Rajagopalan E. Ramberg P.A. Rapidis N.W. Reay S. Reucroft M. Ridel 1 M. Rijssenbeek F. Rizatdinova T. Rockwell M. Roco C. Royon P. Rubinov R. Ruchti J. Rutherfoord B.M. Sabirov G. Sajot 2 A. Santoro L. Sawyer R.D. Schamberger H. Schellman A. Schwartzman N. Sen E. Shabalina R K. Shivpuri D. Shpakov M. Shupe R.A. Sidwell V. Simak H. Singh J.B. Singh V. Sirotenko P. Slattery E. Smith R.P. Smith R. Snihur G.A. Snow J. Snow S. Snyder J. Solomon V. Sorin M. Sosebee N. Sotnikova K. Soustruznik M. Souza N.R. Stanton G. Steinbrueck R.W. Stephens F. Stichelbaut D. Stoker V. Stolin A. Stone D.A. Stoyanova M. Strauss M. Strovink L. Stutte A. Sznajder M. Talby 4 W. Taylor S. Tentindo-Repond S.M. Tripathi T.G. Trippe A.S. Turcot P.M. Tuts V. Vaniev R. van Kooten N. Varelas L.S. Vertogradov F. Villeneuve-Seguier 4 A.A. Volkov A.P. Vorobiev H.D. Wahl H. Wang Z.M. Wang J. Warchol G. Watts M. Wayne H. Weerts A. White J.T. White D. Whiteson J.A. Wightman D.A. Wijngaarden S. Willis S.J. Wimpenny J. Womersley D.R. Wood R. Yamada P. Yamin T. Yasuda Y.A. Yatsunenko K. Yip S. Youssef J. Yu Z. Yu M. Zanabria H. Zheng Z. Zhou M. Zielinski D. Zieminska A. Zieminski V. Zutshi E.G. Zverev A. Zylberstejn
Abstract : We present a search for electroweak production of single top quarks in ~90 pb^-1 of data collected with the DZero detector at the Fermilab Tevatron collider. Using arrays of neural networks to separate signals from backgrounds, we set upper limits on the cross sections of 17 pb for the s-channel process ppbar->tb+X, and 22 pb for the t-channel process ppbar->tqb+X, both at the 95% confidence level.
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V.M. Abazov, B. Abbott, Abdelmalek Abdesselam, M. Abolins, V. Abramov, et al.. Search for single top quark production at D0 using neural networks. Physics Letters B, Elsevier, 2001, 517, pp.282-294. ⟨10.1016/S0370-2693(01)01009-7⟩. ⟨in2p3-00010515⟩

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