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Search for heavy particles decaying into electron-positron pairs in $p\bar p$ collisions

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 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 2 D. Bauer A. Bean M. Begel A. Belyaev S.B. Beri G. Bernardi 2 I. Bertram A. Besson 3 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 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 3 D. Denisov S.P. Denisov S. Desai H.T. Diehl M. Diesburg G. Di Loreto S. Doulas P. Draper Y. Ducros L.V. Dudko S. Duensing L. Duflot 1 S.R. Dugad 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 Y. Fisyak E. Flattum F. Fleuret M. Fortner K.C. Frame S. Fuess E. Gallas A.N. Galyaev M. Gao V. Gavrilov R.J. Genik K.Ii. Genser C.E. Gerber Y. 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 S. Grinstein L. Groer S. Grunendahl Anupam Gupta S.N. Gurzhev 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 A.P. Heinson U. Heintz T. 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. Jostlein A. Juste S. Kahn E. Kajfasz 4 A.M. Kalinin D. Karmanov D. Karmgard R. Kehoe A. Kharchilava S.K. Kim B. Knuteson W. Ko J.M. Kohli A.V. Kostritsky J. Kotcher A.V. Kotwal A.V. Kozelov E.A. Kozlovsky J. Krane M.R. Krishnaswamy P. Krivkova S. Krzywdzinski M. Kubantsev Y. Kulik S. Kunori A. Kupco V.E. Kuznetsov G. Landsberg A. Leflat C. Leggett F. Lehner J. Li Q.Z. Li J.G.R. Lima D. Lincoln S.L. Linn J. Linnemann R. Lipton A. Lucotte 3 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 J. Mcdonald 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 2 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 H. Piekarz 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 J. Rha M. Ridel 1 M. Rijssenbeek T. Rockwell M. Roco P. Rubinov R. Ruchti J. Rutherfoord B.M. Sabirov 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.R. Snow J. Snow S. Snyder J. Solomon V. Sorn M. Sosebee N. Sotnikova K. Soustruznik M. Souza N.R. Stanton G. Steinbruck R.W. Stephens F. Stichelbaut D. Stoker V. Stolin D.A. Stoyanova M. Strauss M. Strovink L. Stutte A. Sznajder W. Taylor S. Tentindo-Repond S.M. Tripathi T.G. Trippe A.S. Turcot P.M. Tuts P. van Gemmeren V. Vanev R. van Kooten N. Varelas L.S. Vertogradov A.A. Volkov A.P. Vorobev 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 results of searches for technirho, techniomega, and Z' particles, using the decay channels technirho, techniomega, Z' -> e+e-. The search is based on 124.8 pb-1 of data collected by the D0 detector at the Fermilab Tevatron during 1992-1996. In the absence of a signal, we set 95% C.L. upper limits on the cross sections for the processes p pbar -> technirho, techniomega, Z' -> e+e- as a function of the mass of the decaying particle. For certain model parameters, we exclude the existence of degenerate technirho and techniomega states with masses below about 200 GeV. We exclude a Z' with mass below 670 GeV, assuming that it has the same couplings to fermions as the Z boson.
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V.M. Abazov, B. Abbott, Abdelmalek Abdesselam, M. Abolins, V. Abramov, et al.. Search for heavy particles decaying into electron-positron pairs in $p\bar p$ collisions. Physical Review Letters, American Physical Society, 2001, 87, 061802 (6 p.). ⟨in2p3-00010937⟩

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