Search for first-generation leptoquarks inppcollisions ats=1.8TeV Academic Article uri icon

abstract

  • We present results of a search for a first-generation leptoquark S1 in pp collisions at s=1.8 TeV at the Fermilab Tevatron. Using 4.05 pb-1 of data collected during the 1988-1989 CDF run, we have searched for evidence of S1S1 production assuming that each leptoquark decays to an electron+quark pair with a branching ratio . Three events with two high energy electrons and two high energy jets were found, but are consistent with Z0 decay. No events were found in the signal region. Assuming a short lived scalar leptoquark with Yukawa coupling strength 210-7, we exclude 2> 55(4.0) pb at 95% C.L. for MS=45(125) GeV/c2. Using a Monte Carlo prediction for (ppS1S1+X), we exclude MS<113(80) GeV/c2 for =100(50)%. 1993 The American Physical Society.

published proceedings

  • Physical Review D

author list (cited authors)

  • Abe, F., Albrow, M., Amidei, D., Anway-Wiese, C., Apollinari, G., Atac, M., ... Zucchelli, S.

citation count

  • 31

complete list of authors

  • Abe, F||Albrow, M||Amidei, D||Anway-Wiese, C||Apollinari, G||Atac, M||Auchincloss, P||Azzi, P||Baden, AR||Bacchetta, N||Badgett, W||Bailey, MW||Bamberger, A||de Barbaro, P||Barbaro-Galtieri, A||Barnes, VE||Barnett, BA||Bauer, G||Baumann, T||Bedeschi, F||Behrends, S||Belforte, S||Bellettini, G||Bellinger, J||Benjamin, D||Benlloch, J||Bensinger, J||Beretvas, A||Berge, JP||Bertolucci, S||Biery, K||Bhadra, S||Binkley, M||Bisello, D||Blair, R||Blocker, C||Bodek, A||Bolognesi, V||Booth, AW||Boswell, C||Brandenburg, G||Brown, D||Buckley-Geer, E||Budd, HS||Busetto, G||Byon-Wagner, A||Byrum, KL||Campagnari, C||Campbell, M||Caner, A||Carey, R||Carithers, W||Carlsmith, D||Carroll, JT||Cashmore, R||Castro, A||Cen, Y||Cervelli, F||Chadwick, K||Chapman, J||Chiarelli, G||Chinowsky, W||Cihangir, S||Clark, AG||Cobal, M||Connor, D||Contreras, M||Cooper, J||Cordelli, M||Crane, D||Cunningham, JD||Day, C||DeJongh, F||Dell'Agnello, S||Dell'Orso, M||Demortier, L||Denby, B||Derwent, PF||Devlin, T||DiBitonto, D||Dickson, M||Drucker, RB||Einsweiler, K||Elias, JE||Ely, R||Eno, S||Errede, S||Etchegoyen, A||Farhat, B||Frautschi, M||Feldman, GJ||Flaugher, B||Foster, GW||Franklin, M||Freeman, J||Frisch, H||Fuess, T||Fukui, Y||Garfinkel, AF||Gauthier, A||Geer, S||Gerdes, DW||Giannetti, P||Giokaris, N||Giromini, P||Gladney, L||Gold, M||Gonzalez, J||Goulianos, K||Grassmann, H||Grieco, GM||Grindley, R||Grosso-Pilcher, C||Haber, C||Hahn, SR||Handler, R||Hara, K||Harral, B||Harris, RM||Hauger, SA||Hauser, J||Hawk, C||Hessing, T||Hollebeek, R||Holloway, L||Hölscher, A||Hong, S||Houk, G||Hu, P||Hubbard, B||Huffman, BT||Hughes, R||Hurst, P||Huth, J||Hylen, J||Incagli, M||Ino, T||Iso, H||Jensen, H||Jessop, CP||Johnson, RP||Joshi, U||Kadel, RW||Kamon, T||Kanda, S||Kardelis, DA||Karliner, I||Kearns, E||Keeble, L||Kephart, R||Kesten, P||Keup, RM||Keutelian, H||Kim, D||Kim, SB||Kim, SH||Kim, YK||Kirsch, L||Kondo, K||Konigsberg, J||Kordas, K||Kovacs, E||Krasberg, M||Kuhlmann, SE||Kuns, E||Laasanen, AT||Lammel, S||Lamoureux, JI||Leone, S||Lewis, JD||Li, W||Limon, P||Lindgren, M||Liss, TM||Lockyer, N||Loreti, M||Low, EH||Lucchesi, D||Luchini, CB||Lukens, P||Maas, P||Maeshima, K||Mangano, M||Marriner, JP||Mariotti, M||Markeloff, R||Markosky, LA||Matthews, J||Mattingly, R||McIntyre, P||Menzione, A||Meschi, E||Meyer, T||Mikamo, S||Miller, M||Mimashi, T||Miscetti, S||Mishina, M||Miyashita, S||Morita, Y||Moulding, S||Mueller, J||Mukherjee, A||Muller, T||Nakae, LF||Nakano, I||Nelson, C||Neuberger, D||Newman-Holmes, C||Ng, JST||Ninomiya, M||Nodulman, L||Ogawa, S||Paoletti, R||Papadimitriou, V||Para, A||Pare, E||Park, S||Patrick, S||Pauletta, G||Pescara, L||Piacentino, G||Phillips, TJ||Ptohos, F||Plunkett, R||Pondrom, L||Proudfoot, J||Punzi, G||Quarrie, D||Ragan, K||Redlinger, G||Rhoades, J||Roach, M||Rimondi, F||Ristori, L||Robertson, WJ||Rodrigo, T||Rohaly, T||Roodman, A||Sakumoto, WK||Sansoni, A||Sard, RD||Savoy-Navarro, A||Scarpine, V||Schlabach, P||Schmidt, EE||Schneider, O||Schub, MH||Schwitters, R||Sciacca, G||Scribano, A||Segler, S||Seidel, S||Seiya, Y||Sganos, G||Shapiro, M||Shaw, NM||Sheaff, M||Shochet, M||Siegrist, J||Sill, A||Sinervo, P||Skarha, J||Sliwa, K||Smith, DA||Snider, FD||Song, L||Song, T||Spahn, M||Spies, A||Sphicas, P||Denis, R St||Stanco, L||Stefanini, A||Sullivan, G||Sumorok, K||Swartz, RL||Takano, M||Takikawa, K||Tarem, S||Tartarelli, F||Tether, S||Theriot, D||Timko, M||Tipton, P||Tkaczyk, S||Tollestrup, A||Tonnison, J||Trischuk, W||Tsay, Y||Tseng, J||Turini, N||Ukegawa, F||Underwood, D||Vejcik, S||Vidal, R||Wagner, RG||Wagner, RL||Wainer, N||Walker, RC||Walsh, J||Watts, G||Watts, T||Webb, R||Wendt, C||Wenzel, H||Wester, WC||Westhusing, T||White, SN||Wicklund, AB||Wicklund, E||Williams, HH||Winer, BL||Wolinski, J||Wu, DY||Wu, X||Wyss, J||Yagil, A||Yasuoka, K||Ye, Y||Yeh, GP||Yoh, J||Yokoyama, M||Yun, JC||Zanetti, A||Zetti, F||Zhang, S||Zhang, W||Zucchelli, S

publication date

  • January 1993