Lower limit on the top-quark mass from events with two leptons in pp» collisions at s =1.8 TeV

F. Abe, D. Amidei, G. Apollinari, M. Atac, P. Auchincloss, A. R. Baden, N. Bacchetta, M. W. Bailey, A. Bamberger, B. A. Barnett, A. Barbaro-Galtieri, V. E. Barnes, T. Baumann, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, D. Benjamin, J. BensingerA. Beretvas, J. P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, C. Blocker, V. Bolognesi, A. W. Booth, C. Boswell, G. Brandenburg, D. Brown, E. Buckley-Geer, H. S. Budd, G. Busetto, A. Byon-Wagner, K. L. Byrum, C. Campagnari, M. Campbell, A. Caner, R. Carey, W. Carithers, D. Carlsmith, J. T. Carroll, R. Cashmore, A. Castro, F. Cervelli, K. Chadwick, G. Chiarelli, W. Chinowsky, S. Cihangir, A. G. Clark, D. Connor, M. Contreras, J. Cooper, M. Cordelli, D. Crane, M. Curatolo, C. Day, F. Dejongh, S. Dellagnello, M. Dellorso, L. Demortier, B. Denby, P. F. Derwent, T. Devlin, D. Dibitonto, M. Dickson, R. B. Drucker, K. Einsweiler, J. E. Elias, R. Ely, S. Eno, S. Errede, B. Esposito, B. Flaugher, G. W. Foster, M. Franklin, J. Freeman, H. Frisch, T. Fuess, Y. Fukui, Y. Funayama, A. F. Garfinkel, A. Gauthier, S. Geer, D. W. Gerdes, P. Giannetti, N. Giokaris, P. Giromini, L. Gladney, M. Gold, K. Goulianos, H. Grassmann, C. Grosso-Pilcher, C. Haber, S. R. Hahn, R. Handler, K. Hara, R. M. Harris, J. Hauser, C. Hawk, T. Hessing, R. Hollebeek, L. Holloway, P. Hu, B. Hubbard, B. T. Huffman, R. Hughes, P. Hurst, J. Huth, J. Hylen, M. Incagli, T. Ino, H. Iso, H. Jensen, C. P. Jessop, R. P. Johnson, U. Joshi, R. W. Kadel, T. Kamon, S. Kanda, D. A. Kardelis, I. Karliner, E. Kearns, L. Keeble, R. Kephart, P. Kesten, R. M. Keup, H. Keutelian, D. Kim, S. Kim, L. Kirsch, K. Kondo, J. Konigsberg, E. Kovacs, S. E. Kuhlmann, E. Kuns, A. T. Laasanen, J. I. Lamoureux, S. Leone, W. Li, T. M. Liss, P. Limon, N. Lockyer, C. B. Luchini, P. Lukens, P. Maas, K. Maeshima, M. Mangano, J. P. Marriner, M. Mariotti, R. Markeloff, L. A. Markosky, R. Mattingly, P. McIntyre, A. Menzione, T. Meyer, S. Mikamo, M. Miller, T. Mimashi, S. Miscetti, M. Mishina, S. Miyashita, Y. Morita, S. Moulding, J. Mueller, A. Mukherjee, L. F. Nakae, I. Nakano, C. Nelson, C. Newman-Holmes, J. S.T. Ng, M. Ninomiya, L. Nodulman, S. Ogawa, R. Paoletti, A. Para, E. Pare, S. Park, J. Patrick, T. J. Phillips, F. Ptohos, R. Plunkett, L. Pondrom, J. Proudfoot, G. Punzi, D. Quarrie, K. Ragan, G. Redlinger, J. Rhoades, M. Roach, F. Rimondi, L. Ristori, T. Rohaly, A. Roodman, W. K. Sakumoto, A. Sansoni, R. D. Sard, A. Savoy-Navarro, V. Scarpine, P. Schlabach, E. E. Schmidt, O. Schneider, M. H. Schub, R. Schwitters, A. Scribano, S. Segler, Y. Seiya, M. Sekiguchi, M. Shapiro, N. M. Shaw, M. Sheaff, M. Shochet, J. Siegrist, P. Sinervo, J. Skarha, K. Sliwa, D. A. Smith, F. D. Snider, L. Song, M. Spahn, R. St. Denis, A. Stefanini, G. Sullivan, R. L. Swartz, M. Takano, F. Tartarelli, K. Takikawa, S. Tarem, D. Theriot, M. Timko, P. Tipton, S. Tkaczyk, A. Tollestrup, J. Tonnison, W. Trischuk, N. Turini, Y. Tsay, F. Ukegawa, D. Underwood, S. Vejcik, R. Vidal, R. G. Wagner, R. L. Wagner, N. Wainer, J. Walsh, T. Watts, R. Webb, C. Wendt, H. Wenzel, W. C. Wester, T. Westhusing, S. N. White, A. B. Wicklund, H. H. Williams, B. L. Winer, J. Wyss, A. Yagil, A. Yamashita, K. Yasuoka, G. P. Yeh, J. Yoh, M. Yokoyama, J. C. Yun, A. Zanetti, F. Zetti, S. Zucchelli

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Abstract

We present results from searches for the top quark pp» collisions at the Fermilab Tevatron Collider. The data sample was collected during 198889 with the Collider Detector at Fermilab and has an integrated luminosity of 4.1 pb-1. Our previous search for e final states for tt»e b b» decays has been extended to include the ee and channels. In addition, we have searched in each event with a high-transverse-momentum lepton accompanied by hadron jets for a low-transverse-momentum muon as a tag of a bottom quark in tt»l bqq»b» decays. A lower limit on the top-quark mass of 91 GeV/c2 is obtained at the 95% confidence level, assuming standard model decays.

Original languageEnglish (US)
Pages (from-to)447-451
Number of pages5
JournalPhysical review letters
Volume68
Issue number4
DOIs
StatePublished - 1992

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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