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Phys Rev Lett. 2002 May 13;88(19):191801. doi: 10.1103/PhysRevLett.88.191801. Epub 2002 Apr 23.

Search for leptoquark pairs decaying into nunu+jets in pp collisions at square root[s] = 1.8 TeV.

Physical review letters

V M Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, B S Acharya, D L Adams, M Adams, S N Ahmed, G D Alexeev, A Alton, G A Alves, N Amos, E W Anderson, Y Arnoud, C Avila, 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, D Bauer, A Bean, F Beaudette, M Begel, A Belyaev, S B Beri, G Bernardi, I Bertram, A Besson, R Beuselinck, V A Bezzubov, P C Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, F Blekman, S Blessing, A Boehnlein, N I Bojko, F Borcherding, K Bos, T Bose, 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, L Coney, B Connolly, W E Cooper, D Coppage, S Crépé-Renaudin, 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, D Denisov, S P Denisov, S Desai, H T Diehl, M Diesburg, S Doulas, Y Ducros, L V Dudko, S Duensing, L Duflot, S R Dugad, A Duperrin, A Dyshkant, D Edmunds, J Ellison, J T Eltzroth, 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, H Fox, K C Frame, S Fu, S Fuess, E Gallas, A N Galyaev, M Gao, V Gavrilov, R J Genik, K Genser, C E Gerber, Y Gershtein, R Gilmartin, G Ginther, B Gómez, G Gómez, P I Goncharov, J L González Solís, 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 Grünendahl, A Gupta, S N Gurzhiev, G Gutierrez, P Gutierrez, N J Hadley, H Haggerty, S Hagopian, V Hagopian, R E Hall, P Hanlet, S Hansen, J M Hauptman, C Hays, C Hebert, D Hedin, J M Heinmiller, A P Heinson, U Heintz, M D Hildreth, R Hirosky, J D Hobbs, B Hoeneisen, Y Huang, I Iashvili, R Illingworth, A S Ito, M Jaffré, S Jain, R Jesik, K Johns, M Johnson, A Jonckheere, H Jöstlein, A Juste, W Kahl, S Kahn, E Kajfasz, A M Kalinin, D Karmanov, D Karmgard, R Kehoe, A Khanov, A Kharchilava, S K Kim, B Klima, B Knuteson, W Ko, J M Kohli, A V Kostritskiy, 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 Landsberg, W M Lee, A Leflat, C Leggett, F Lehner, C Leonidopoulos, J Li, Q Z Li, X Li, J G R Lima, D Lincoln, S L Linn, J Linnemann, R Lipton, A Lucotte, 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, K M Mauritz, 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, F Nang, M Narain, V S Narasimham, N A Naumann, H A Neal, J P Negret, S Negroni, T Nunnemann, D O'Neil, V Oguri, B Olivier, 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, O Peters, P Pétroff, R Piegaia, B G Pope, E Popkov, H B Prosper, S Protopopescu, M B Przybycien, J Qian, R Raja, S Rajagopalan, E Ramberg, P A Rapidis, N W Reay, S Reucroft, M Ridel, M Rijssenbeek, F Rizatdinova, T Rockwell, M Roco, C Royon, P Rubinov, R Ruchti, J Rutherfoord, B M Sabirov, G Sajot, 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, Y Song, V Sorín, M Sosebee, N Sotnikova, K Soustruznik, M Souza, N R Stanton, G Steinbrück, R W Stephens, F Stichelbaut, D Stoker, V Stolin, A Stone, D A Stoyanova, M A Strang, M Strauss, M Strovink, L Stutte, A Sznajder, M Talby, 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, 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, D A Wijngaarden, S Willis, S J Wimpenny, J Womersley, D R Wood, Q Xu, R Yamada, P Yamin, T Yasuda, Y A Yatsunenko, K Yip, S Youssef, J Yu, Z Yu, M Zanabria, X Zhang, H Zheng, B Zhou, Z Zhou, M Zielinski, D Zieminska, A Zieminski, V Zutshi, E G Zverev, A Zylberstejn,

Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Russia.

PMID: 12005624 DOI: 10.1103/PhysRevLett.88.191801

Abstract

We present the results of a search for leptoquark (LQ) pairs in (85.2+/-3.7) pb(-1) of pp* collider data collected by the D0 experiment at the Fermilab Tevatron. We observe no evidence for leptoquark production and set a limit on sigma(pp*-->LQLQ-->nunu+jets) as a function of the mass of the leptoquark (m(LQ)). Assuming the decay LQ-->nuq, we exclude scalar leptoquarks for m(LQ) < 98 GeV/c(2), and vector leptoquarks for m(LQ) < 200 GeV/c(2) and coupling which produces the minimum cross section, at a 95% confidence level.

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