Test stand for the Silicon Vertex Detector of the Collider Detector Facility

Institute of Electrical and Electronics Engineers (IEEE) 1 (1995) 528-532 vol.1

Authors:

S Zimmermann, J Anderson, J Andresen, E Barsotti, J Chramowicz, G Duerling, M Gao, H Gonzalez, B Haynes, W Knopf, K Treptow, D Walsh, T Zmuda, T Huffman, P Shepard, C Gay, S Harder, H Hill, J Huth, J O'Kane, J Oliver, H Robins, M Spiropulu, R Strohmer, M Gold, T Thomas

Top quark production at the Tevatron

AIP Conference Proceedings AIP Publishing 342 (1995) 345-358

Top quark search with the D0 1992-1993 data sample

Physical Review D 52:9 (1995) 4877-4919

Authors:

S Abachi, B Abbott, M Abolins, BS Acharya, I Adam, DL Adams, M Adams, S Ahn, H Aihara, J Alitti, G Álvarez, GA Alves, E Amidi, N Amos, EW Anderson, SH Aronson, R Astur, RE Avery, A Baden, V Balamurali, J Balderston, B Baldin, J Bantly, JF Bartlett, K Bazizi, J Bendich, SB Beri, I Bertram, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, A Bischoff, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, NI Bojko, F Borcherding, J Borders, C Boswell, A Brandt, R Brock, A Bross, D Buchholz, VS Burtovoi, JM Butler, D Casey, H Castilla-Valdez, D Chakraborty, SM Chang, SV Chekulaev, LP Chen, W Chen, L Chevalier, S Chopra, BC Choudhary, JH Christenson, M Chung, D Claes, AR Clark, WG Cobau, J Cochran, WE Cooper, C Cretsinger, D Cullen-Vidal, MAC Cummings, D Cutts, OI Dahl, K De, M Demarteau, R Demina, K Denisenko, N Denisenko, D Denisov, SP Denisov, W Dharmaratna, HT Diehl, M Diesburg, G Di Loreto, R Dixon, P Draper, J Drinkard, Y Ducros, SR Dugad, S Durston-Johnson, D Edmunds, J Ellison, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, VN Evdokimov, S Fahey, T Fahland, M Fatyga, MK Fatyga

Abstract:

We present results on the search for the top quark in pp̄ collisions at s =1.8 TeV with an integrated luminosity of 13.5±1.6 pb-1. We have considered tt̄ production in the standard model using electron and muon dilepton decay channels (tt̄→eμ+jets, ee+jets, and μμ+jets) and single-lepton decay channels (tt̄→e+jets and μ+jets) with and without tagging of b quark jets. An analysis of these data optimized for top quark masses below 140 GeV/c2 gives a lower top quark mass limit of 128 GeV/c2. An analysis optimized for higher top quark masses yields 9 events with an expected background of 3.8±0.9. If we assume that the excess is due to tt̄ production, and assuming a top quark mass of 180 GeV/c2, we obtain a cross section of 8.2±5.1 pb.

W and Z boson production in pp̄ collisions at s=1.8 TeV

Physical Review Letters 75:8 (1995) 1456-1461

Authors:

S Abachi, B Abbott, M Abolins, BS Acharya, I Adam, DL Adams, M Adams, S Ahn, H Aihara, J Alitti, G Alvarez, GA Alves, E Amidi, N Amos, EW Anderson, SH Aronson, R Astur, RE Avery, A Baden, V Balamurali, J Balderston, B Baldin, J Bantly, JF Bartlett, K Bazizi, J Bendich, SB Beri, I Bertram, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, A Bischoff, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, NI Bojko, F Borcherding, J Borders, C Boswell, A Brandt, R Brock, A Bross, D Buchholz, VS Burtovoi, JM Butler, D Casey, H Castilla-Valdez, D Chakraborty, SM Chang, SV Chekulaev, LP Chen, W Chen, L Chevalier, S Chopra, BC Choudhary, JH Christenson, M Chung, D Claes, AR Clark, WG Cobau, J Cochran, WE Cooper, C Cretsinger, D Cullen-Vidal, MAC Cummings, D Cutts, OI Dahl, K De, M Demarteau, R Demina, K Denisenko, N Denisenko, D Denisov, SP Denisov, W Dharmaratna, HT Diehl, M Diesburg, G Di Loreto, R Dixon, P Draper, J Drinkard, Y Ducros, SR Dugad, S Durston-Johnson, D Edmunds, J Ellison, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, VN Evdokimov, S Fahey, T Fahland, M Fatyga, MK Fatyga

Abstract:

The inclusive cross sections times leptonic branching ratios for W and Z boson production in pp̄ collisions at s=1.8 TeV were measured using the D0 detector at the Fermilab Tevatron collider: σWB(W→eν)=2. 36±0.07±0.13 nb, σWBW→μν=2.09±0. 23±0.11 nb, σZBZ→e+e-=0.218±0.011±0.012 nb, and σZBZ→μ+μ-=0.178±0.030±0.009 nb. The first error is the combined statistical and systematic uncertainty, and the second reflects the uncertainty in the luminosity. For the combined electron and muon analyses we find σWB(W→lν)/σZB(Z→l+l-)=10.90±0.49. Assuming standard model couplings, this result is used to determine the width of the W boson, γ(W)=2.044±0.093 GeV. © 1995 The American Physical Society.

2ND GENERATION LEPTOQUARK SEARCH IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8-TEV

PHYSICAL REVIEW LETTERS 75:20 (1995) 3618-3623

Authors:

S ABACHI, B ABBOTT, M ABOLINS, BS ACHARYA, I ADAM, DL ADAMS, M ADAMS, S AHN, H AIHARA, J ALITTI, G ALVAREZ, GA ALVES, E AMIDI, N AMOS, EW ANDERSON, SH ARONSON, R ASTUR, RE AVERY, A BADEN, V BALAMURALI, J BALDERSTON, B BALDIN, J BANTLY, JF BARTLETT, K BAZIZI, J BENDICH, SB BERI, I BERTRAM, VA BEZZUBOV, PC BHAT, V BHATNAGAR, M BHATTACHARJEE, A BISCHOFF, N BISWAS, G BLAZEY, S BLESSING, P BLOOM, A BOEHNLEIN, NI BOJKO, F BORCHERDING, J BORDERS, C BOSWELL, A BRANDT, R BROCK, A BROSS, D BUCHHOLZ, VS BURTOVOI, JM BUTLER, D CASEY, H CASTILLAVALDEZ, D CHAKRABORTY, SM CHANG, SV CHEKULAEV, LP CHEN, W CHEN, L CHEVALIER, S CHOPRA, BC CHOUDHARY, JH CHRISTENSON, M CHUNG, D CLAES, AR CLARK, WG COBAU, J COCHRAN, WE COOPER, C CRETSINGER, D CULLENVIDAL, MAC CUMMINGS, D CUTTS, OI DAHL, K DE, M DEMARTEAU, R DEMINA, K DENISENKO, N DENISENKO, D DENISOV, SP DENISOV, W DHARMARATNA, HT DIEHL, M DIESBURG, G DILORETO, R DIXON, P DRAPER, J DRINKARD, Y DUCROS, SR DUGAD, S DURSTONJOHNSON, D EDMUNDS, J ELLISON, VD ELVIRA, R ENGELMANN, S ENO, G EPPLEY, P ERMOLOV, OV EROSHIN, VN EVDOKIMOV, S FAHEY, T FAHLAND, M FATYGA, MK FATYGA, J FEATHERLY, S FEHER, D FEIN, T FERBEL, G FINOCCHIARO, HE FISK, Y FISYAK, E FLATTUM, GE FORDEN, M FORTNER, KC FRAME, P FRANZINI, S FUESS, AN GALJAEV, E GALLAS, CS GAO, S GAO, TL GELD, RJ GENIK, K GENSER, CE GERBER, B GIBBARD, V GLEBOV, S GLENN, B GOBBI, M GOFORTH, A GOLDSCHMIDT, B GOMEZ, PI GONCHAROV, H GORDON, LT GOSS, N GRAF, PD GRANNIS, DR GREEN, J GREEN, H GREENLEE, G GRIFFIN, N GROSSMAN, P GRUDBERG, S GRUNENDAHL, W GU, G GUGLIELMO, JA GUIDA, JM GUIDA, W GURYN, SN GURZHIEV, P GUTIERREZ, YE GUTNIKOV, NJ HADLEY, H HAGGERTY, S HAGOPIAN, V HAGOPIAN, KS HAHN, RE HALL, S HANSEN, R HATCHER, JM HAUPTMAN, D HEDIN, AP HEINSON, U HEINTZ, R HERNANDEZMONTOYA, T HEURING, R HIROSKY, JD HOBBS, B HOENEISEN, JS HOFTUN, F HSIEH, T HU, T HU, T HUEHN, S IGARASHI, AS ITO, E JAMES, J JAQUES, SA JERGER, JZY JIANG, T JOFFEMINOR, H JOHARI, K JOHNS, M JOHNSON, H JOHNSTAD, A JONCKHEERE, M JONES, H JOSTLEIN, SY JUN, CK JUNG, S KAHN, G KALBFLEISCH, JS KANG, R KEHOE, ML KELLY, A KERNAN, L KERTH, CL KIM, SK KIM, A KLATCHKO, B KLIMA, BI KLOCHKOV, C KLOPFENSTEIN, VI KLYUKHIN, VI KOCHETKOV, JM KOHLI, D KOLTICK, AV KOSTRITSKIY, J KOTCHER, J KOURLAS, AV KOZELOV, EA KOZLOVSKI, MR KRISHNASWAMY, S KRZYWDZINSKI, S KUNORI, S LAMI, G LANDSBERG, RE LANOU, JF LEBRAT, A LEFLAT, H LI, J LI, YK LI, QZ LIDEMARTEAU, JGR LIMA, D LINCOLN, SL LINN, J LINNEMANN, R LIPTON, YC LIU, F LOBKOWICZ, SC LOKEN, S LOKOS, L LUEKING, AL LYON, AKA MACIEL, RJ MADARAS, R MADDEN, IV MANDRICHENKO, P MANGEOT, S MANI, B MANSOULIE, HS MAO, S MARGULIES, R MARKELOFF, L MARKOSKY, T MARSHALL, MI MARTIN, M MARX, B MAY, AA MAYOROV, R MCCARTHY, T MCKIBBEN, J MCKINLEY, T MCMAHON, HL MELANSON, JRT DEMELLONETO, KW MERRITT, H MIETTINEN, A MILDER, A MINCER, JM DEMIRANDA, CS MISHRA, M MOHAMMADIBAARMAND, N MOKHOV, NK MONDAL, HE MONTGOMERY, P MOONEY, M MUDAN, C MURPHY, CT MURPHY, F NANG, M NARAIN, VS NARASIMHAM, A NARAYANAN, HA NEAL, JP NEGRET, E NEIS, P NEMETHY, D NESIC, D NORMAN, L OESCH, V OGURI, E OLTMAN, N OSHIMA, D OWEN, P PADLEY, M PANG, A PARA, CH PARK, YM PARK, R PARTRIDGE, N PARUA, M PATERNO, J PERKINS, A PERYSHKIN, M PETERS, H PIEKARZ, Y PISCHALNIKOV, A PLUQUET, VM PODSTAVKOV, BG POPE, HB PROSPER, S PROTOPOPESCU, D PUSELJIC, J QIAN, PZ QUINTAS, R RAJA, S RAJAGOPALAN, O RAMIREZ, MVS RAO, PA RAPIDIS, L RASMUSSEN, AL READ, S REUCROFT, M RIJSSENBEEK, T ROCKWELL, NA ROE, P RUBINOV, R RUCHTI, S RUSIN, J RUTHERFOORD, A SANTORO, L SAWYER, RD SCHAMBERGER, H SCHELLMAN, J SCULLI, E SHABALINA, C SHAFFER, HC SHANKAR, RK SHIVPURI, M SHUPE, JB SINGH, V SIROTENKO, W SMART, A SMITH, RP SMITH, R SNIHUR, GR SNOW, S SNYDER, J SOLOMON, PM SOOD, M SOSEBEE, M SOUZA, AL SPADAFORA, RW STEPHENS, ML STEVENSON, D STEWART, DA STOIANOVA, D STOKER, K STREETS, M STROVINK, A TAKETANI, P TAMBURELLO, J TARAZI, M TARTAGLIA, TL TAYLOR, J TEIGER, J THOMPSON, TG TRIPPE, PM TUTS, N VARELAS, EW VARNES, PRG VIRADOR, D VITITOE, AA VOLKOV, AP VOROBIEV, HD WAHL, G WANG, J WANG, LZ WANG, J WARCHOL, M WAYNE, H WEERTS, F WEN, WA WENZEL, A WHITE, JT WHITE, JA WIGHTMAN, J WILCOX, S WILLIS, SJ WIMPENNY, JVD WIRJAWAN, J WOMERSLEY, E WON, DR WOOD, H XU, R YAMADA, P YAMIN, C YANAGISAWA, J YANG, T YASUDA, C YOSHIKAWA, S YOUSSEF, J YU, Y YU, Y ZHANG, YH ZHOU, Q ZHU, YS ZHU, ZH ZHU, D ZIEMINSKA, A ZIEMINSKI, A ZYLBERSTEJN