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Search for t over(t, ̄) resonances in the lepton plus jets final state in p over(p, ̄) collisions at sqrt(s) = 1.96 TeV
Authors :
Abazov, VM Abbott, B Abolins, M Acharya, BS Adams, M Adams, T Aguilo, E Ahn, SH Ahsan, M Alexeev, GD Alkhazov, G Alton, A Alverson, G Alves, GA Anastasoaie, M Ancu, LS Andeen, T Anderson, S Andrieu, B Anzelc, MS Aoki, M Arnoud, Y Arov, M Arthaud, M Askew, A Åsman, B Jesus, ACSA Atramentov, O Avila, C Badaud, F Baden, A Bagby, L Baldin, B Bandurin, DV Banerjee, P Banerjee, S Barberis, E Barfuss, A-F Bargassa, P Baringer, P Barreto, J Bartlett, JF Bassler, U Bauer, D Beale, S Bean, A Begalli, M Begel, M Belanger-Champagne, C Bellantoni, L Bellavance, A Benitez, JA Beri, SB Bernardi, G Bernhard, R Bertram, I Besançon, M Beuselinck, R Bezzubov, VA Bhat, PC Bhatnagar, V Biscarat, C Blazey, G Blekman, F Blessing, S Bloch, D Bloom, K Boehnlein, A Boline, D Bolton, TA Boos, EE Borissov, G Bose, T Brandt, A Brock, R Brooijmans, G Bross, A Brown, D Buchanan, NJ Buchholz, D Buehler, M Buescher, V Bunichev, V Burdin, S Burke, S Burnett, TH Buszello, CP Butler, JM Calfayan, P Calvet, S Cammin, J Carvalho, W Casey, BCK Castilla-Valdez, H Chakrabarti, S Chakraborty, D Chan, K Chan, KM Chandra, A Charles, F Cheu, E Chevallier, F Cho, DK Choi, S Choudhary, B Christofek, L Christoudias, T Cihangir, S Claes, D Clutter, J Cooke, M Cooper, WE Corcoran, M Couderc, F Cousinou, M-C Crépé-Renaudin, S Cutts, D Ćwiok, M da Motta, H Das, A Davies, G De, K de Jong, SJ De La Cruz-Burelo, E Martins, CDO Degenhardt, JD Déliot, F Demarteau, M Demina, R Denisov, D Denisov, SP Desai, S Diehl, HT Diesburg, M Dominguez, A Dong, H Dudko, LV Duflot, L Dugad, SR Duggan, D Duperrin, A Dyer, J Dyshkant, A Eads, M Edmunds, D Ellison, J Elvira, VD Enari, Y Eno, S Ermolov, P Evans, H Evdokimov, A Evdokimov, VN Ferapontov, AV Ferbel, T Fiedler, F Filthaut, F Fisher, W Fisk, HE Fortner, M Fox, H Fu, S Fuess, S Gadfort, T Galea, CF Gallas, E Garcia, C Garcia-Bellido, A Gavrilov, V Gay, P Geist, W Gelé, D Gerber, CE Gershtein, Y Gillberg, D Ginther, G Gollub, N Gómez, B Goussiou, A Grannis, PD Greenlee, H Greenwood, ZD Gregores, EM Grenier, G Gris, P Grivaz, J-F Grohsjean, A Grünendahl, S Grünewald, MW Guo, F Guo, J Gutierrez, G Gutierrez, P Haas, A Hadley, NJ Haefner, P Hagopian, S Haley, J Hall, I Hall, RE Han, L Harder, K Harel, A Hauptman, JM Hauser, R Hays, J Hebbeker, T Hedin, D Hegeman, JG Heinson, AP Heintz, U Hensel, C Herner, K Hesketh, G Hildreth, MD Hirosky, R Hobbs, JD Hoeneisen, B Hoeth, H Hohlfeld, M Hong, SJ Hossain, S Houben, P Hu, Y Hubacek, Z Hynek, V Iashvili, I Illingworth, R Ito, AS Jabeen, S Jaffré, M Jain, S Jakobs, K Jarvis, C Jesik, R Johns, K Johnson, C Johnson, M Jonckheere, A Jonsson, P Juste, A Kajfasz, E Kalk, JM Karmanov, D Kasper, PA Katsanos, I Kau, D Kaushik, V Kehoe, R Kermiche, S Khalatyan, N Khanov, A Kharchilava, A Kharzheev, YM Khatidze, D Kim, TJ Kirby, MH Kirsch, M Klima, B Kohli, JM Konrath, J-P Kozelov, AV Kraus, J Krop, D Kuhl, T Kumar, A Kupco, A Kurča, T Kuzmin, VA Kvita, J Lacroix, F Lam, D Lammers, S Landsberg, G Lebrun, P Lee, WM Leflat, A Lellouch, J Leveque, J Li, J Li, L Li, QZ Lietti, SM Lima, JGR Lincoln, D Linnemann, J Lipaev, VV Lipton, R Liu, Y Liu, Z Lobodenko, A Lokajicek, M Love, P Lubatti, HJ Luna, R Lyon, AL Maciel, AKA Mackin, D Madaras, RJ Mättig, P Magass, C Magerkurth, A Mal, PK Malbouisson, HB Malik, S Malyshev, VL Mao, HS Maravin, Y Martin, B McCarthy, R Melnitchouk, A Mendoza, L Mercadante, PG Merkin, M Merritt, KW Meyer, A Meyer, J Millet, T Mitrevski, J Mommsen, RK Mondal, NK Moore, RW Moulik, T Muanza, GS Mulhearn, M Mundal, O Mundim, L Nagy, E Naimuddin, M Narain, M Naumann, NA Neal, HA Negret, JP Neustroev, P Nilsen, H Nogima, H Novaes, SF Nunnemann, T O'Dell, V O'Neil, DC Obrant, G Ochando, C Onoprienko, D Oshima, N Osman, N Osta, J Otec, R Otero y Garzón, GJ Owen, M Padley, P Pangilinan, M Parashar, N Park, S-J Park, SK Parsons, J Partridge, R Parua, N Patwa, A Pawloski, G Penning, B Perfilov, M Peters, K Peters, Y Pétroff, P Petteni, M Piegaia, R Piper, J Pleier, M-A Podesta-Lerma, PLM Podstavkov, VM Pogorelov, Y Pol, M-E Polozov, P Pope, BG Popov, AV Potter, C da Silva, WLP Prosper, HB Protopopescu, S Qian, J Quadt, A Quinn, B Rakitine, A Rangel, MS Ranjan, K Ratoff, PN Renkel, P Reucroft, S Rich, P Rieger, J Rijssenbeek, M Ripp-Baudot, I Rizatdinova, F Robinson, S Rodrigues, RF Rominsky, M Royon, C Rubinov, P Ruchti, R Safronov, G Sajot, G Sánchez-Hernández, A Sanders, MP Sanghi, B Santoro, A Savage, G Sawyer, L Scanlon, T Schaile, D Schamberger, RD Scheglov, Y Schellman, H Schliephake, T Schwanenberger, C Schwartzman, A Schwienhorst, R Sekaric, J Severini, H Shabalina, E Shamim, M Shary, V Shchukin, AA Shivpuri, RK Siccardi, V Simak, V Sirotenko, V Skubic, P Slattery, P Smirnov, D Snow, GR Snow, J Snyder, S Söldner-Rembold, S Sonnenschein, L Sopczak, A Sosebee, M Soustruznik, K Spurlock, B Stark, J Steele, J Stolin, V Stoyanova, DA Strandberg, J Strandberg, S Strang, MA Strauss, E Strauss, M Ströhmer, R Strom, D Stutte, L Sumowidagdo, S Svoisky, P Sznajder, A Tamburello, P Tanasijczuk, A Taylor, W Temple, J Tiller, B Tissandier, F Titov, M Tokmenin, VV Toole, T Torchiani, I Trefzger, T Tsybychev, D Tuchming, B Tully, C Tuts, PM Unalan, R Uvarov, L Uvarov, S Uzunyan, S Vachon, B van den Berg, PJ Van Kooten, R van Leeuwen, WM Varelas, N Varnes, EW Vasilyev, IA Vaupel, M Verdier, P Vertogradov, LS Verzocchi, M Villeneuve-Seguier, F Vint, P Vokac, P Von Toerne, E Voutilainen, M Wagner, R Wahl, HD Wang, L Wang, MHLS Warchol, J Watts, G Wayne, M Weber, G Weber, M Welty-Rieger, L Wenger, A Wermes, N Wetstein, M White, A Wicke, D Wilson, GW Wimpenny, SJ Wobisch, M Wood, DR Wyatt, TR Xie, Y Yacoob, S Yamada, R Yan, M Yasuda, T Yatsunenko, YA Yip, K Yoo, HD Youn, SW Yu, J Zeitnitz, C Zhao, T Zhou, B Zhu, J Zielinski, M Zieminska, D Zieminski, A Zivkovic, L Zutshi, V Zverev, EG
Source :
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics . 668(2)
Publication Year :
2008
Abstract
We present a search for a narrow-width heavy resonance decaying into top quark pairs (X → t over(t, ̄)) in p over(p, ̄) collisions at sqrt(s) = 1.96 TeV using approximately 0.9 fb-1 of data collected with the DØ detector at the Fermilab Tevatron Collider. This analysis considers t over(t, ̄) candidate events in the lepton plus jets channel with at least one identified b jet and uses the t over(t, ̄) invariant mass distribution to search for evidence of resonant production. We find no evidence for a narrow resonance X decaying to t over(t, ̄). Therefore, we set upper limits on σX ṡ B (X → t over(t, ̄)) for different hypothesized resonance masses using a Bayesian approach. For a Topcolor-assisted technicolor model, the existence of a leptophobic Z′ boson with mass MZ′ < 700 GeV and width ΓZ′ = 0.012 MZ′ can be excluded at the 95% C.L. © 2008 Elsevier B.V.
Details
Language :
English
ISSN :
03702693
Volume :
668
Issue :
2
Database :
OpenAIRE
Journal :
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Accession number :
edsair.od......1064..1e5251f06a024c3e6f8807b3fe4705a7